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Pelican Technical Article:
Door Lock Mechanism / Door Handle
 

 
Time: 1-5 hours
Tab: $30-$300
Talent:  
Tools:
Torx set
Applicable Models:
986 Boxster (1997-04)
987 Boxster (2005-08)
Parts Required:
Door lock mechanism
Hot Tip:
There are lots of little plastic pieces that can easily break inside the door
Performance Gain:
Able to open and close doors
Complementary Modification:
Replace window regulator
 
   

  This article is one in a series that have been released in conjunction with Wayne's new book, 101 Performance Projects for Your Porsche Boxster.  The book contains 312 pages of full color projects detailing everything from performance mods to changing your brake pads.   With more than 950+ full-color glossy photos accompanying extensive step-by-step procedures, this book is required reading in any Boxster owner's collection. The book is currently available and in stock now. See The Official Book Website for more details.
 

Check out some other sample projects from the book: 

Need to buy parts for this project? Click here to order!
   
     The Boxster door handles and door lock mechanism take a lot of use and abuse over the years and can experience many different failures. The first step in fixing any door lock or handle problems is to remove the door panel (see Pelican Technical Article: Door Panel Removal / Mirror Switch Replacement). Follow along with the photos in this project to work through the steps involved in replacing the door handle parts and also the integrated lock assembly.

     One of the big failure points of modern cars are the small switches located inside the power lock assemblies. These switches get a lot of use, and when they wear out, they can cause all sorts of problems. Switches that are stuck open tell the car that the door is ajar all the time. The dashboard chime may ring continuously, or the gauge cluster may experience some erratic behavior. If the switch is stuck closed, then owners may have a heck of time opening and closing their doors because the window won't roll down that ¼ inch or so to allow you to pull it away from the car. The integrated lock assembly also contains all of the motors for the power locks, which also tend to fail over time.
With the door panel removed, you can easily access the door lock mechanism.
Figure 1
With the door panel removed, you can easily access the door lock mechanism. Begin by removing the inner metal door trim panel by removing the three screws (red arrow). Pull the small clip that holds the door handle cable from its hole (green arrow). Then, disconnect the door lock mechanism from the side of the door (yellow arrows).
Large Image | Extra-Large Image
This photo shows the backside of the door handle assembly from inside the door.
Figure 2
This photo shows the backside of the door handle assembly from inside the door. The blue arrow points to the connection where the handle itself connects to the door lock mechanism. Disconnect this in order to remove the door lock mechanism (see also inset of Figure 5). The purple arrow points to the electrical switch which tells the car to lower the window in preparation for opening the car door. The two yellow arrows point to the nuts that fasten the door handle to the rear assembly, and the green arrows show the two clips that hold the assembly inside the door.
Large Image | Extra-Large Image
With the door lock mechanism disconnected, you should be able to pull it out of the door.
Figure 3
With the door lock mechanism disconnected, you should be able to pull it out of the door. The red arrow shows the cable that was previously connected to the door handle. Disconnect the electrical harness from the lock mechanism to remove it from the door.
Large Image | Extra-Large Image
Shown here is the removal of the door handle assembly.
Figure 4
Shown here is the removal of the door handle assembly. After removing the two nuts shown in Photo 2, press out on the clips to unsnap the door handle (see yellow and green arrows in that photo). The door handle switch is plugged in to a connector located near the door lock mechanism (yellow arrow). The inner door handle housing, which contains the lock cylinder is shown in the lower left inset photo.
Large Image | Extra-Large Image
Here's the original door lock mechanism removed from the car.
Figure 5
Here's the original door lock mechanism removed from the car. The yellow arrow shows the inside door handle cable attachment point. One plastic piece that may break is the connector for the outside door handle (green arrow). If you're taking the time to refurbish the inside of your door, I recommend replacing this piece.
Large Image | Extra-Large Image
See Bonus Photos
Bonus Photos
Looking for more photos? Click to see bonus pictures for this project.
Need to buy parts for this project? Click here to order!
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Comments and Suggestions:
BerneseMtnDog Comments: For future revisions of this you might want to consider showing the backside of the lock cylinder. Mine failed in an interesting way. On the back of the cylinder there's an oar shaped piece that indexes in the electric lock mechanism. This oar shaped piece is held to the cylinder with a roll pin. On my car the roll pin worked its way out and the oar piece fell to the bottom of the door making it so that the key wouldn't unlock the door but the fob would. I assumed I had a bad door lock mechanism.
October 30, 2014
  Followup from the Pelican Staff: Thanks for the additional info and feedback. We appreciate it.
- Nick at Pelican Parts
 
DoorLatchProblem Comments: My door lock mechanism won't catch the latch in the door jamb pillar. I removed and replaced my passenger right side door handle to address the faulty spring that was preventing the handle from retracting fully. After putting the door back together, I found the hook inside the door lock mechanism stays loose, and won't grab the latch in the jamb. Is there a step to reset the mechanism that I missed?
October 12, 2014
  Followup from the Pelican Staff: Not that I am aware of. The lacth itself may be faulty. - Nick at Pelican Parts  
Jamie Comments: Hey there,

the fob has stopped locking or unlocking the car plus when you open it manually the red central locking light is still lit and then within 30 seconds the alarm goes off until you put the key in the ignition. The red light flashes on the key fob ok. does this mean the key needs re coding.

Thanks
October 2, 2014
  Followup from the Pelican Staff: COuld be ab ad key. Easiest way to test is using your spare. - Nick at Pelican Parts  
Gottasellmy996 Comments: I have '99 996, yesterday the driver's door latch/lock failed in the closed position. Manually rotating the key does not unlock the driver door, nor will it unlock with the interior button. My FOB died about two months ago and I've yet to replace it...

I was able to remove the door panel with the door closed. I've verified the linkages are intact on both the interior and exterior sides. I can't figure out how to unlock the latch so that I might open the door...
September 15, 2014
  Followup from the Pelican Staff: Follow the lock rod down to the latch, see if you can move the lever the rod attaches to. This should unlock the latch. - Nick at Pelican Parts  
scottish.mark Comments: Hi, just joined this great forum. I have a 1997 Boxster. The car will not lock with the fob or the key. When I removed the door card, drivers side, I saw the same wire that Davef's mechanic saw. This looks like the window micro switch. As this is a UK RHD car I assume that this is just extra and not in use. Is this correct? When using the fob or the key the car appears to lock then immediately unlocks.
September 9, 2014
  Followup from the Pelican Staff: If there is no place for the wire connect, it may added to the harness during production to expand coverage of the harness.

The locking and unlocking may be die to a fault in one of the latches. It may see an unlock position as soon as you open it, causing it to unlock. - Nick at Pelican Parts
 
Jess Comments: I think the central locking system is fried in my car because under my drivers seat got wet when water got in my 99 boxster. The doors don't lock now either by using the inside door lock button or by using the key which I know works because that's what I was using to lock car before it got wet. I just want to get the doors to be able to lock and I then I'm selling it. How much is that part?
July 8, 2014
  Followup from the Pelican Staff: If there is an issue with a control module, it may need programming after replacing. Give our parts specialists a call at 1-888-280-7799 and they can help figure out which part or repair kit you need.
- Nick at Pelican Parts
 
Nickf Comments: I took it to a mechanic friend of mine. Apparently it was a dangling wire on the driver side when he took the door panel off, and once taped everything works fine now.
Thanks for all your help Nick.
Cheers,
Btw, I acquired the radio code from porsche dealer over the phone for free, by giving him my vin # and the radio serial number.
June 23, 2014
  Followup from the Pelican Staff: Thanks for the follow up. We appreciate it.


You got lucky with the code. Glad it worked out. I have had luck getting the code over the phone, but it doesn't happen often. - Nick at Pelican Parts
 
Nickf@foquest.com Comments: Both doors seem to be in sync. When I manually turn the key 3 times on the driver side door no key lock on passenger door both doors lock. I can then use the key fob to unlock the car doors. The key fob also opens the trunk ok. If there is a problem with any door latch, why would it lock with key only with 3 clockwise turns and unlock with key fob? Officially confused.
Unfortunately, out of curiosity and because someone in another blog said it took care of his problem. I disconnected the battery and no change with my lock and cabin light issues, in addition now the radio is out of commission too in Wait mode and I can't find its code.
June 19, 2014
  Followup from the Pelican Staff: If both sides are acting exactly the same, I would assume the issue may be with the module. I would check the vehicle for fault codes at this point, also check the data pids for door latch position. - Nick at Pelican Parts  
Nickf Comments: Thanks Nick,
Tried what you suggested. Now I get one beep , instead of two, and the cabin light stays on no matter what, as if a door still open. Also the alarm went off by itself at one point,
Will disconnecting the battery for an hour or so, reset the lock system without any side effects, such as radio code loss, etc...
June 19, 2014
  Followup from the Pelican Staff: Disconnecting the battery won't reset the locks. You may have a faulty latch. Is one side acting differently than the other? - Nick at Pelican Parts  
Nickf Comments: Great thread. I need help regarding my Boxster '99 lock system recent failure. The remote key-fob locks the doors, but instantly the doors automatically become unlock followed by 2 beeps. I am now locking th car manually with the key with the three turns. However, the remote key fob works fine unlocking the doors or the trunk. Any ideas?
June 16, 2014
  Followup from the Pelican Staff: Sounds to me like a door switch is not working properly. I would open the door, then manually latch the door latch using a flathead screwdriver, then try to lock the vehicle. Do this on both doors. When doing this push the latch a bit further into the locked position when attempting to lock the door. if the problem stops with one latch or the other, you have located the issue. - Nick at Pelican Parts  
cpy Comments: Referred to "Frustrated like no other"

draning the battery, it could be the ignition switch.
June 12, 2014
  Followup from the Pelican Staff: Thanks for the input on this one. We appreciate the help.
- Nick at Pelican Parts
 
Netsrac Comments: OK I seem to have the same problem as Honkingatpeopleonaccident

I started to have the problem where when I would unlock the door, the horn would honk twice.

When this happened the window would not roll down the 1/4" on the passenger side.

Now this weekend it has started honking while driving every 30 seconds. So much I could not drive it this weekend.

I have no CEL on my dash. Might need to go to dealer to scan everything

Can you tell me what I would need to fix this problem

Thanks
June 9, 2014
  Followup from the Pelican Staff: Your issue could be with the door latch. Start by checking for fault codes. Once you have the codes, you will have direction as to what area or component is malfunctioning. - Nick at Pelican Parts  
Mitta Comments: Hi,
Thanks a lot for your article.
I have 2001 Toyota Camry LE and Power door lock switch is not working on driver side door for my car.
When I tried to lock with remote, except this one, all other three being locked.
And also sometimes, it is giving panic sound for no reason.
Please let me know if it is easy to fix the issue. And also please suggest what kind of tool box I need to have.
Your response will be much appreciated.
Thanks,
Mitta.
May 27, 2014
  Followup from the Pelican Staff: I don't have a lot of experience with Toyotas, but the solenoid for the door may be jammed or the door pin switch is not seeing a closed door. - Nick at Pelican Parts  
dany Comments: pls can u help me with this problem,i have changed the batterie in the remote key but the led light start to blink slowly when pressing the switch ,in the past the light blinks faster than now ,and the problem is that the car dont lock or unlock doors my friend said that the remote needs to be sync with the car again is this true and how can i resync the remote with the car pls give me advice what to do ,the car runs normaly but the doors dont lock or unlock with the remote thanks a lot in advance pls pls pls reply thnx.
May 25, 2014
  Followup from the Pelican Staff: You didn't mention what vehicle you have. You may need to sync the remote using a scan tool. - Nick at Pelican Parts  
Martin Comments: Hello, I have a comment that may be helpful to others. Due to problems with the doors not opening and horn beeping, I decided to just replace both door locks. The right side was very easy. On the left side I was initially not able to insert the lock cylinder pin into the door lock. Upon comparing the old part with the new part I noticed that the new part has a slightly different plastic housing with a ridge, which did not provide enough clearance for the pin to slide past. This could easily be remedied with a pocket knife removing that plastic ridge. It then fit no problem. This was on a very early Boxster, 97 model year.
Watch this before you go carzy.
May 20, 2014
  Followup from the Pelican Staff: Thanks for the additional info. We appreciate it.
- Nick at Pelican Parts
 
Marcelo Comments: Hello Team of Pelican Parts, I will try to explain my problem with the door locks of my boxster 2001:
- When I press the lock button of the remote, the door locks attemp to lock, but nothing happened and the horn beeps twice.
- When I open driver or passenger door, the locks attemp to move and the horn beeps twice, it does every time and with the engine started too.
- When I close the driver door with the key it locks only that door, no sound by the horn, if I turn the key to lock posición 2 times, alarm activates and one beep horn, passenger door still open, if I open the door, alarm sound.
- With the car open, I open the passenger door only and while I hold the door handle outside up, I press the lock button in remote and the locks fully move to lock and then unlock with no beep by horn, If I close the door during the first move of locks, the car remain closed with no beeps, I turn the key on the driver door to lock to times and alarm activates and one beep by the horn.
I don't know why in the first time the locks try to close and open 2 times but nothing happens, I think the problem can be in the passenger door because when I open it, the window roll down a litle less that the driver window. So I hope you can give me a clue or something. Thank you!
May 11, 2014
  Followup from the Pelican Staff: I would start by checking the door latch pin switches. First try cleaning and lubricating the latches. If function returns, replace the latch that was fixed by lubricating.

If one window is dropping down less, you may have a failing window regulator. If you push down in the window, does it go down more? - Nick at Pelican Parts
 
Honkingatpeopleonaccident Comments: Sometimes, when I unlock my door 2001 Boxster S, the lock mechanism will engage and honk twice. When it does this, it will continually do it at random as I'm driving. Sometimes it will do it twice in a row lock mechanism with two honks, then another lock and two more honks and repeat it twice every 30 seconds or so, but then sometimes it doesn't do it for days at a time. It's pretty annoying, and quite frustrating.
April 24, 2014
  Followup from the Pelican Staff: Sounds like an issue with an input or the control module. I would check the vehicle for fault codes, to start. - Nick at Pelican Parts  
Kwan Comments: The door remote with new battery for my 2007 Boxster doesn't unlock the car unless I press right next to my driver side door, which is within 2 feet range. I searched online and found there was problem on some 986 about the remote antenna range, but I have a 987. I tried the same procedure to work on my 987 by taking out the antenna inside the A-Pillar cover, however I cannot find the antenna there which I believe they are stored somewhere else on the 987s. Am I right, do you know where is antenna located so I can work on it?

The range is the only problem, I have two keys but they make no difference, they perform their job unlocking the trunks and doors. Any suggestions?
March 28, 2014
  Followup from the Pelican Staff: I do not know the location of the antenna. I opened a post in our forums. A Pelican community member may be able to answer your question.
- Nick at Pelican Parts
 
jamesfr Comments: 2003 996TT RHD
Hi, I have a window drop problem that driving me nuts - I have just replace the door lock and still have the same problem. The window will not drop when opening the door. The window does drop when either the door is opened from the outside or inside. The interior lights do not stay on. I can hear the microswitches click on and off then the door handles are operated and they all look good from inspection. The window goes up and down with the switch ok and you cannot force the window down. The 1 touch works for the window going down but I cannot get the 1 touch working for going up. Any ideas what part I need now I know its not the door lock??? Help MUCH appreciated - getting frustrated now..
February 2, 2014
  Followup from the Pelican Staff: This would lead me to suspect a problem with the inner and outer door handle microswitches. However, that is unlikely. I would check the wiring in the door jamb to be sure it is intact. - Nick at Pelican Parts  
Randy Comments: 1999 Boxter. Unable to open drivers door using inside door handle. Opens normally using outside handle. Problem just began last night with no signs of problems prior.
January 27, 2014
  Followup from the Pelican Staff: The cable for the inside handle may have failed. I would remove the door panel and inspect the connection. - Nick at Pelican Parts  
Gordon Comments: At least on a 2001 it appears that a special tool is required to remove the latch [see yellow arrows in Figure 1]. The bolts have a female head much like a 12 point socket. An M6 allen wrench will fit, but I'm afraid if I use it I may strip the head. I think the tool needed is called a triple square 6mm socket. This is different from a Torx. Can you confirm this for me, please, as I need to special order the tool.
January 2, 2014
  Followup from the Pelican Staff: Could be a triple square. I would grab a set of triple square sockets if this sounds like the case. - Nick at Pelican Parts  
Andy Comments: Hi Nick, Andy again

when you say lock cylinder switch, do yo mean drivers door lock or ignition switch?

Thanks Andy
December 27, 2013
  Followup from the Pelican Staff: Driver door. - Nick at Pelican Parts  
Andy Comments: Hi Nick, Andy here from he November 25th post.

Thanks for your help.

Sorry for taking a while to get back to you, The locking problem sorted its self out for a while. Its back to the same problem now so I could try it.

With the drivers door open and locking with the key in barrel, the doors do not lock and the horn only sounds once, a short bleep.

Door closed again and same problem as below.

Thanks Andy
December 15, 2013
  Followup from the Pelican Staff: Sounds like the lock cylinder switch may be faulty, sticking in one position. - Nick at Pelican Parts  
HRA Comments: Hi, I have a 2000 Boxster S with the following problem:
When the doors are automatically locked, these can't be opened pulling either the outer or inside handles. I have to knock couple times near the outside handles and then the lock is released and the door can be opened.

I have noted that this situation only occurs when the central locking system is activated and is in both doors.

Please, let me know if the door lock mechanisms should be replaced or the problem is in other part.

Appreciate your help in this subject and happy Thanks Giving Day!.
November 28, 2013
  Followup from the Pelican Staff: This sounds like a sticking latch. If banging causes it to unlock, it is either dirty or corroded. You can try cleaning and lubricating it, if it gets better, replace the latch. - Nick at Pelican Parts  
Frustrated like no other Comments: Hi, my 2003 boxster s was in the shop for power steer hose repairs.The car sat for 30 days waiting for parts...at last, power steer problem fixed. Soon after I got my car back, I drove it for a few days and noticed the interior and dashboard light stays on when car is off. This drained my battery and the car wouldn't start. After a few jump starts, I realized that locking my doors will cause the interior and dashboard lights to go out. But for some reason, even with the interior and dashboard light off, I still have to jump start my car when it sits over night. Can u help me pin point the problem also how many times is too many to jump start car before I start to see more problems. Thanks in advance!
November 25, 2013
  Followup from the Pelican Staff: Killing the battery repeatedly once it is old (say more than 2 years old) will definitely shorten its life--it will be dead one of these days and simply not recharge at all. As for your electrical problem, you have a parasitic draw. You'll want to monitor the draw on the battery when the vehicle is asleep (engine off, doors closed). Here is a list of the specifications: http://autotechdiagnostics.com /?p=185

Once you confirm there is a draw. You will have to isolate the circuit with the draw. Then determine which components on that circuit is causing the draw You can isolate by removing fuses. be sure to have all the latches on the doors and hood closed (pin switches) so the vehicle will sleep during testing. If it wakes up, you will have to wait until it goes to sleep again.
- Nick at Pelican Parts
 
Andy Comments: Hi all - I really hope you can help, I have read a lot of your excellent advice so hopefully you might have come up against this before and can help me.

I have a 2001 2.7 RHD UK boxster the sounds the horn twice when I look the car via remote. the doors lock then it automatically unlocks and bleeps twice.

I can lock the drivers door by putting the key in the barrel and holding it over to lock. It try's to unlock but if you hold it over it bleeps twice but locks. Passenger door remains unlocked.

I have changed the the interior sensor and that still hasn't changed.

The fault codes I have are
yellow 59 - Central looking limit position secure
yellow 54 - Radio receiver defective
Red 3 - Door lock barrel open actuated Longer than 60's
Yellow 47 - Control locking synchronization
Red 5 - Door lock cycle open
Yellow 33 - Interior sensor fault

I also had an issue earlier this year that the windows would drop while driving for no reason. It would also turn the interior light on. This has not happened for a while but think they could be related. For some reason i being drawn to the drivers door latch but there isn't much info other than interior sensor that I have already replaced.

Please can you help me. Thanks
November 25, 2013
  Followup from the Pelican Staff: if you open the driver door, then try to lock it the same way, by holding the key in the lock position, does the vehicle do the same thing? - Nick at Pelican Parts  
chris Comments: I have a 98 boxster and am having a doorlock issue, doors will not unlock or lock off of the keyfob or the switch in the dash, when you press the switch in the dash the little led does not light up or flash and neither does the one below it. Im thinking it may be a fuse but not sure
November 22, 2013
  Followup from the Pelican Staff: Try removing the switch and testing for power to it. Then try bypassing it. Activate the locks manually using a fused jumper wire. - Nick at Pelican Parts  
Scott Comments: Hi Wayne. In figure 5 you recommend replacing the plastic elbow piece indicated by the green arrow when refurbishing the door. Can you please provide a link where I can buy this? Thanks!
November 8, 2013
  Followup from the Pelican Staff: I'm pretty sure this is part number 996-537-445-02, and you can simply add it to your cart by typing the part number into our search engine. - Wayne at Pelican Parts  
Punter Comments: Hi Nick, thanks for responding! With second remote system doesn't work either. Have replaced drivers door lock actuator which made no difference. Have checked system electronic board for corrosion under drivers seat. Thanks guys.
November 8, 2013
  Followup from the Pelican Staff: Sounds like the remotes need to be programmed. Try the methods below, if they do not work a trip to the dealer may be required.

Try this:
All doors closed, doors locked.
Unlock driver door with key.
Turn ignition ON.

If that doesn't do it:
All doors closed, doors locked.
Unlock driver door with key.


I want to note that the system is designed to go to sleep after a few days to avoid battery drain. The central locking module may have failed and permanently shut remote antenna function off.
- Nick at Pelican Parts
 
Punter Comments: Hi Pelican staff, I have a 2001 Boxster with remote and alarm.Everything seems to work fine in regard to the central locking system with turning the key in the drivers side door lock. With the remote keyfob I cannot engage or disengage the central locking system. Keyfob seems to work ok, new batteries and red lights on keys do come on. Worked once after fiddling with right door handle. Any suggestions ? Punter.
November 1, 2013
  Followup from the Pelican Staff: Do you have a second remote to try? I would think the remote may be faulty. Even with the lights coming on, it may not be working. - Nick at Pelican Parts  
Gordon Comments: Thanks for the excellent article! I still have a question:
The micro switch on the passenger door of my 2001 Boxster S is inoperable. The window does not drop the necessary ½” when either the inside or outside door handle is opened. The main window switch works perfectly. The car has very low miles, and the passenger door is rarely opened. My hunch is that the problem is corrosion in the switch from lack of use. Is it possible to squirt contact cleaner inside the switch? Is it worth the effort to try this?
October 24, 2013
  Followup from the Pelican Staff: You can try that. I have found with some vehicles cleaning the switches returns function. Don't be surprised if it doesn't work, but it is definitely worth a try.- Nick at Pelican Parts  
Matsporssche Comments: I am trying to help a friend get her 2000 Boxter to start. The car has been sitting for quite a while. The starter won't crank with the key in start position. I jumpered across the contacts for the start-lock relay, and it cranked, but no start. She replaced the battery in the remote key fob, but the doors don't lock when it's pressed.
A Porsche dealer told me that sometimes you have to lock and unlock the doors a couple of times to make the alarm system reset, but since the door won't lock with the remote, can't do that. Could this be the fuse on the alarm control module, and if so where is it? Any other suggestions?
October 19, 2013
  Followup from the Pelican Staff: With the battery connected, you want to try locking and unlocking the vehicle using the lock at the driver door handle. Once you do this, if it still doesn't start, you will have to scan the DME for fault codes using s Porsche scan tool. You'll want to check for antitheft fault codes.- Nick at Pelican Parts  
Bubster Comments: I have a 2005 Boxster S and the central door lock quit working as well as the remote key door locking and unlocking. I beleive I have traced the problem to the passenger door. The passenger door window operates fine by the switch but when you pull the handle either inside or out the window does not drop the ususal 1/4". I believe the sensor that tells the computer the door is shut is stuck or faulty. How much trouble to get to or test?
October 17, 2013
  Followup from the Pelican Staff: What you describe sounds like a faulty latch microswitch. However, I would expect the window to initially drop when opened from the inside or outside handle then go right back up, interfering with the window seal when trying to close the door. Is it possible you have an issue with the wiring for the latch and microswitches causing a multiple failure.

You can remove the door panel and test each microswitch, the inner, outer and latch. They are simple open and close switches. - Nick at Pelican Parts
 
Red Comments: Thanks for the article. I have two questions:

1. What kind of driver do I need to loosen the bolts in the inset portion of figure 1 grainy photo of my one of those bots on my '01 boxster attached? It looks like an 8mm XZN bolt, also known as 12-point "tri-square". Does pelican sell the driver for this bolt or the bolt itself if it is stripped to the point where it needs to be replaced?

2. My car frequently honks twice while driving, especially when there is a bump in the road. It also honks twice when the car is unlocked with the key fob. The final symptom is that the passenger window often goes up all the way when the door is open it goes down when the handle is open and then resets; thus when the passenger door is closed the window hits the seal.

I took off the passenger door panel and have been able to reproduced the honk reliably by jiggling the bunch of cables connected to the locking mechanism. I haven't gotten all the way to the locking mechanism yet because of the bolts in q1. Given all this, any idea what the culprit is? It seems safe to replace the passenger locking mechanism but I'm not sure.

Actually, 3 questions. 3 Do I need to do anything to reset the central alarm system after replacing the lock assembly?

Thanks again for the great article.
September 28, 2013
  Followup from the Pelican Staff: That is a triple square. hard to tell what size, but maybe 10 or 12.


The door issue will be the switch in the door latch. If the switch isn't in the correct position, the module doesn't know to keep the window down when the door is opened.

No need to reset anything once the latch is replaced. You will have to relearn the windows, but no special tool is required.- Nick at Pelican Parts
 
jim Comments: Why is a small red light blinking on the right side of my dash on a 97 boxster also what does the constant green light below the blinking red one mean.
September 23, 2013
  Followup from the Pelican Staff: This could be the low coolant light. Check your coolant level. - Nick at Pelican Parts  
friz Comments: I would like to add that the little black plastic sheath connector needs to be put back on last. I attached is fairly loosely when reassembleing things, and the door worked a few times. But, after sealing everything up and locking the car for the night, the door would not open from inside or outside. I had to tear the door panel off from inside the cabin, with the door closed and reseat the little black plastic rod so that as many threads a possible were attached to the door handle. Be aware, put this part on last, or you will have to redo everything and break a few body panel clips on the way.
September 4, 2013
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it. - Nick at Pelican Parts  
Sooty Comments: My problem is unusual. Having repaired the window regulator and refitting the door panel, the internal door release cable is so tight that it cannot be pulled to clip back into place. I've known cables to break and become slack, but not to be tight unless they are trapped, and I can see that it isn't.
Any suggestions?
August 29, 2013
  Followup from the Pelican Staff: if it wasn't this way before you did the repair, it has to be related. I would double check that the cable end is properly engaged in the door handle. if so, remove the door panel and inspect the cable routing and connection at the latch. - Nick at Pelican Parts  
Izmsn1969 Comments: I have the age-old Porsche window issue... My driver's side window goes all the way up, but then drops down a quarter of an inch and won't go back up to seal with the top.

I've heard that this can be the regulator or the micro-switch and I believe there are several of these switches. My question is, how do I know which part is making my window have the issue?

I'd rather not replace all the parts if there is a way to narrow it down to the bad component.

Thanks
August 22, 2013
  Followup from the Pelican Staff: Try iniliazing the windows.
With the door closed, raise window and keep power window switch pressed in the raised psoiton for 5 seconds after it reaches top. - Nick at Pelican Parts
 
hucqym Comments: It wasnt obvious to me from the article on how to disconnect the doorlock to handle connecting plastic piece so here's a picture of the mechanism to help someone like me.
As you see, the black plastic sleeve on the connecting piece slides back and then it can be pushed sideways and off of the metal piece linked to the door handle!
August 18, 2013
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it. - Nick at Pelican Parts  
hucqym Comments: the door lock on my 2001 boxster broke and i took things apart. Seen various posts on broken doorlocks and folks have had different failure mechanisms and so I decided to just share the video of my failure mode to determine the best fix.

The door lock part itself seems to be okay and the plastic connecting piece to the handle etc.. seem fine. The key mechanism seems to be the culprit. The key rotates 180degrees freely without any resistance and the metal piece does not rotate. But if I rotate the metal piece itself then I can get the key to correspondingly rotate. Please tell me I am just missing a silly $20 part that I can easily replace. It would suck to have the whole assembly replaced.

http://www.youtube.com/watch?v=NCQ-WhN2ud0
August 18, 2013
  Followup from the Pelican Staff: Looks like the bracket is faulty. It is one piece. 996 537 963 03. Give our parts specialists a call at 1-888-280-7799. They can help you find the right part. - Nick at Pelican Parts  
barnet64 Comments: I have a 2001 996TT With a doorproblem at passenger side. Central Lock is not working, neither from key or button in Dashboard. Unable to unlock or open door, from inside or outside? Any suggestions?
May 12, 2013
  Followup from the Pelican Staff: The lock actuator may be faulty. Remove the door panel and inspect it. - Nick at Pelican Parts  
Jeff Comments: Must I remove the door handle to replace the door lock mechanism? I would like to avoid any unnecessary steps.
May 1, 2013
  Followup from the Pelican Staff: No, the latch can be replaced without removing the door handle. - Nick at Pelican Parts  
mikeb Comments: Hello - I have a 996 C4 cab 1998. The driver's side door lock has been diagnosed as always open by the computer diagnostics, so when I lock the car now using the key key fob hasn't been working for a while now I get a single beep and the radio stays on and the speedo & odometer also stays lit up - indicative of something still open, even though the driver's door does lock. I am currently disconnecting the battery so it doesn't drain. I think one of the microswitches in the door lock mechanism is faulty but don't know which one? Do I need to replace the complete door lock mechanism?
Any help much appreciated
March 28, 2013
  Followup from the Pelican Staff: The switch is part of the door latch. You can try to clean and lubricate it. I have been able to bring a few back to life that way. - Nick at Pelican Parts  
Jay Laifman Comments: I fixed my door. It was not that plastic part that joins the door handle to the door mechanism. As I said below, I could turn my key, nothing would happen, but it would not spin around and around as others noted. It would still stop at its appropriate stops. What it turned out is that between the key mechanism and the lock mechanism, there is a 2" long metal connector. It has a flat end that slides into the lock mechanism. At the key mechanism side, there is some sort of pin that holds it in. My pin apparently went missing which separated the key mechanism from that 2" metal connector. I used a small quick release clip to slide in there. Works like a charm now.
March 9, 2013
  Followup from the Pelican Staff: Thanks for the feedback. - Nick at Pelican Parts  
cbracer Comments: I fixed the micro switch problem in the door lock assembly, but when I reinstall the door lock assembly the door doesn't shut/lock and the handles therefore don't work. I don't know what wrong. Read somewhere about the spring going into the spring hook, even did that but it didn't change anything. ideas?
February 21, 2013
  Followup from the Pelican Staff: If you did not have this issue before replacing the switch I suspect something you moved during switch replacement is binding or not aligned properly. Check for that and verify switch operation with an ohm meter.

- Denny at Pelican Parts
 
cbracer Comments: My problem is the passenger door, when I open it with the outer door handle the window goes down but when I release the handle the window goes back up. If I manually move the locking lever in the door mechanism up or down a small amount the window goes back down as it should be. If I open with the inner door handle it's all correct. I believe my switch inside is sticking? I could not find a replacement switch anywhere on your links above for parts, nor a picture of where the switch is and how to replace it?
February 21, 2013
  Followup from the Pelican Staff: From your description the mirco switch may have failed or is sticking. We do have the switch listed on our site. Enter part number 996 613 126 00 in the search box. You did not state the year of your Boxster so check and make sure that part number is correct for your year car. You could also check operation of the switch with an ohm meter.

- Denny at Pelican Parts
 
Jay Comments: Awesome voice recognition, with only one little glitch, "rather flashlight sticky" :- AND awesome response time! Thanks!

An additional question/comment. I've seen at stores like Pep Boys little blade like tools for pulling out door panels. I read the article on pulling off the panels and how the clips are the hardest part. Any idea if a tool like that would help, and if so, I'd certainly rather buy them from you.
February 21, 2013
  Followup from the Pelican Staff: Thanks. Yes, those tools do help (we sell them in the catalog too). A good plastic spatula from the kitchen also works well, but don't tell the wife! - Wayne at Pelican Parts  
Jay Comments: Wow. What a thread. Are you guys still answering questions? On my 2000 Boxster S, everything works except when the door key is put in the door and mechanically turned, it does not unlock the door. It does not over rotate, as others have said. The door locks and unlocks fine by the fob or the button on the dash. The door handle works. I'm assuming one of these micro switches you have mentioned. Are those available separately? And any idea where that switch is?

Thanks, Jay
February 21, 2013
  Followup from the Pelican Staff: Sure were still answering questions. I'm just a little behind. I have new speech recognition software that is helping me out though. I'm using it now. As for your car, it would seem that there is a small piece of plastic that may be broken inside the lock mechanism. The microswitch is only work to lower the windows and activate the alarm – they don't actually open the doors. When you are turning your key it turns a cam which is attached to a small plastic piece which is then attached to the door mechanism. This piece often breaks, leaving the key in operable. The solution is to remove the door panel, gather your flashlight, stick the key in the lock and turn it back and forth while you are observing what's going on inside. It should be obvious at that point. Hope this helps. - Wayne at Pelican Parts  
Marc Comments: Wayne,

Thanks for the response. I was hoping to not have to 'take a look' first as it seems like more than a five minute project. But I think it is probably worth getting the part and hoping that is all that needs to be done.

Cheers.
February 10, 2013
  Followup from the Pelican Staff: Fair enough. I would agree with you in that it's not a five-minute project. It's also one of those projects where in, yes, when you get in that you might find things that you don't know are broken. That is the case with almost any project. However, in the grand scheme of things, this is a pretty easy project. - Wayne at Pelican Parts  
Marc Comments: Hello Wayne, I have a similar problem as described above regarding the key spinning 180 degrees without locking or unlocking the car. "RE: steve January 2, 2011" You mention a $3 piece of plastic that needs to be replaced. Do you have a part number? Thank you!
February 7, 2013
  Followup from the Pelican Staff: You'll have to take a look at what is extra broke inside your door but I think it may be part number 996–537–445–02. - Wayne at Pelican Parts  
ghini Comments: i have boxster year 1999. i have problem to open both door after i lock the car. when i pull to open the door the mirror working but the door not open, i have to knock the door few time and after that door will open. is it because the door lock mechanism damage?
January 17, 2013
  Followup from the Pelican Staff: There are lots of little plastic pieces inside the door, that are associated with door lock mechanism, I can easily get old and break over time. These are three dollar pieces that are cheap, the easiest to replace. It's about a one hour job. The problem is you need to remove your door panel and look inside to see what exactly is broken in there before you order the parts. The mirror is moving because the electrical switch that is part of your door handle is still correctly operating. In general, it's not a difficult job, but you need some patience and a flashlight - Wayne at Pelican Parts  
Jim Comments: I'm having a locking problem that I've narrowed down to either the drivers side door latch mechanism or the door handle itself. Basic symptom occurs when I push the key fob I get the classic lock, unlock followed by two beeps of the horn. The alarm module is functioning properly. The central lock on the dash functions normally as well. The manual key lock in the door handle however does not function. My guess is the gremlin is in the latch because it appears the key lock is connected to the latch not the handle. And that is where the circuit signal has broken down. Is there another function check to be sure?
November 28, 2012
  Followup from the Pelican Staff: Could be the bracket is faulty. It is one piece. 996 537 963 03. Give our parts specialists a call at 1-888-280-7799. They can help you find the right part. - Nick at Pelican Parts  
Porsche987 Comments: Hey fella's. New to this forum. Anyone know the part number for the door lock mechanism on a 2005 987 Base Boxster? Really hard to find online. Any help would be greatly appreciated.
November 26, 2012
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799. They can help you find the right part. - Nick at Pelican Parts  
Tsunamiboy Comments: Just finished installing a new locking mech and micro switch at exterior handle. Totally fixed the window drop action and the lock system is working properly!!! Followed the tech article the only snag was breaking the plastic covers tab at the interior handle. Should have pride up from the bottom to disengage the upper tab. I hate it when delving into a project you find where the previous owner left out fasteners, screws and such while "trying" to fix things. A lot of bang for the buck and effort
November 22, 2012
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help. - Nick at Pelican Parts  
Jeff Comments: The culprit is the faulty door lock mechanism, see photo. They had to break it apart with limited working space to be able to unlock it. They did a good job for not damaging the door esp the door panel.

I eventually took it to Porsche and after AUD$750 3 hours labor plus parts its finally fixed!
October 16, 2012
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it. - Nick at Pelican Parts  
Jeff Comments: Hi Wayne, I have read and followed your instructions step by step. The problem is the door panel is being wedged cause of the door wont open and there is only so much space that my hand can get in without bending the panel till it crack.
October 13, 2012
  Followup from the Pelican Staff: Sounds like the door latch is jammed. You may have to remove the door panel witht he door closed to access the door latch to release it. - Nick at Pelican Parts  
Jeff Comments: Thanks Wayne, I cant open the door panel fully and the gap is too small for my hand to reach into the mechanism. If you hear from anyone who had this experience, please let me know. Thank you [now I have to climb in and out of the car - people look at me funny :]
October 13, 2012
  Followup from the Pelican Staff: Make sure you haven't forgotten to remove any extra screws - see the article above for the locations. - Wayne at Pelican Parts  
Jeff Comments: [URGENT HELP!!!} I have a 1997 Boxster 2.5L, shut the door and now the door wont open from inside/outside using key. Anyone know encountered this before or know how to open the door for my circumstance so that I can open the door panel? Thank you in advance!

Jeff - Australia, Perth
October 12, 2012
  Followup from the Pelican Staff: This is a pain. The only way is to remove the door panel and then fix the mechanism / jigger the mechanism to get the door open. I've personally never had to do this, thankfully. I suggest that you lower the roof, and then carefully remove the passenger seat - should make the whole process tremendously easier. I'll copy this question to the forums too, to see if anyone else has any other suggestions. - Wayne at Pelican Parts  
Alex Comments: When removing the door handle, how do I disconnect the connection where the handle connects to the door lock mechanism? Also how do we remove the electrical switch from the handle?
September 29, 2012
  Followup from the Pelican Staff: There's a little hook / plastic piece that makes this connection. It's pretty obvious once you have the door apart and can see it. Likewise, there's a connector there that disconnects the electrical harness from the door handle. - Wayne at Pelican Parts  
JeremyL Comments: Just replaced my Door lock mechanism and my window still does not drop as it should for opening and closing my drivers door. Is there something else to do? I will tell you that if I keep my key in the door and turn the key to open/unlock the car the windows will drop and if I lock the car with the windows down it will raise the windows to the fully closed position I am glad this is working.

I guess my question is why will my window not stay down the 1/4" as needed to close the doors properly?
September 3, 2012
  Followup from the Pelican Staff: Did you initialize your windows?
Hold the window open button until window is raised and hold for 5 seconds. - Nick at Pelican Parts
 
DanS Comments: 1998 Boxster. Car had got wet under passenger seat. Dried out completely now and we reconnected battery as it had previously gone off randomly and annoyed neighbours. Not been driven properly for along time. It has been driven today and no issues at all and now at 1.40am the alarm went off. Woke my wife up, not me - lol. By the time I got dressed it had stopped and no lights were flashing. I unlocked the car with the electronic fob and it made one high pitched beep. When I locked it I made two of these beeps. These beeps sound sharper than the beep it used to make if you left the boot open for example. Was rather hoping everything was ok with it now it was "dry" but clearly something isn't quite right. Any suggestions appreciated. Thank you

When opening the car, the beep happens not when I press the button on the key fob but when I actually open the driver door. So I can unlock the car with the key ob and no beep. The beep occurs after opening the door. Did identical beep when I went to car and pinged the boot using the key fob.

Furthermore, tonight the alarm went off annoying my neighbours. When I went to car, pressed they button on the fob to unlock. It unlocked. Alarm carried on. Unread engine on, alarm continued. Had to disconnect battery. : Getting very frustrating..... I drove he car this afternoon and no problems at all.
August 19, 2012
  Followup from the Pelican Staff: My guess is the alarm control module has been damaged from the water. You will have to replace it, as water damage to a control unit is not repairable. - Nick at Pelican Parts  
edyy Comments: 1999 2.5 boxster the window wont came down a quarter of an inch when i try to get out of the car either when i try to get in the car and its disturbing, also when i open the door the interior lights wont popout only at the passanger door so i think it could me a microswitch but i don t know where to look. it seems that the car doesent realise that the drivers door is opened and will not lower the window and not light the interior.
August 11, 2012
  Followup from the Pelican Staff: First be sure your windows are properly initialized. Hold the window open button until window is rasied and hold for 5 seconds.

The window should open uniformly across the top of the glass and drop down about 13mm. If it does not it could be the regulator or a microswitch.

When the door handle is opened a signal from a microswitch in the handle (insdie or out)and a signal from the door closed switch are used to determine if the window needs to be down or up to open or close the door.

When you open your door, if the window doesn't drop, try pushing down on the glass once open, if it goes down easilly, the regulator is faulty. If it does not, the microswitch is likely sticking or not sending the correct signal. Pin 1 on the power window motor is where this signal is sent.

There are also height, tension and regulator limit stop adjustments that can be made. If you suspect these can be your issue, I would grab a repair manual as they are hard to explain without graphics to accompany the explanation. - Nick at Pelican Parts
 
Ash Comments: I have a '98 boxster and the passenger side window stopped working properly the other day. The window is stuck in the open position and will only open an inch when the button is pressed. The motor seems to be working.
August 3, 2012
  Followup from the Pelican Staff: If you hear the motor and the window is not working, the regulator is likely faulty. - Nick at Pelican Parts  
bobbiepepper Comments: My problem is with the driver window.
It works fine with the switch and with the interior door handle, but with the outside door handle it will drop down, but go up before the door is closed most of the time anyway.
Since it works properly with the inside handle is it the outside handle microswitch?
Or could it still be the lock mechanism?
August 1, 2012
  Followup from the Pelican Staff: First be sure your windows are properly initialized. Hold the window open button until window is raised and hold for 5 seconds.

The window should open uniformly across the top of the glass and drop down about 13mm. If it does not it could be the regulator or a microswitch.

When the door handle is opened a signal from a microswitch in the handle (inside or out)and a signal from the door closed switch are used to determine if the window needs to be down or up to open or close the door.

Your issue sounds like a microswitch is not in the correct position. if it only happens sometimes, try cleaning and lubricating the microswitches.

- Nick at Pelican Parts
 
Pez Comments: Hi, I've had the same problem with the driverside window only dropping when the handle is operated, so replaced the lock - works fine.
The problem I've got now is that the remote locking/unlocking does not work. Interior light switches off when both doors are shut, but there are no beeps, clicks or any sound when operating the fob, but does work on very rare occasions. Using the key keeps setting the alarm off. Do you have any suggestions? I've changed the battery in the fob but no joy... Thanks.
August 1, 2012
  Followup from the Pelican Staff: Replacing the latch should not have caused the remote to stop working. Do you have a second remote you can try? This will rule out a bad remote if you have two. If the second remote doesn't work, it could be an issue with the module. - Nick at Pelican Parts  
jerry Comments: still no micro chip part number, there is on outer handle micrfo ship , innner handle microchip , ther is also one in lock mechanism and another in lower rise winodw regulator micro and even one in the main convertible latch parts numers will be great to have them in you parts catalog!
May 7, 2012
  Followup from the Pelican Staff: Sorry, I have no idea what you are referring to. - Wayne at Pelican Parts  
JERRY Comments: THIS I BOUGHT BOXSTER BOOK POLEICNA NICE PICTURES NICE STUFF BUT WHAY DO NOT TAKE TIME TO ADD PARTS NUMBERS YOU NEED TO FIX THINGS ???????? THE MICRSWTCHES OF DOORS IS ONE MAINE STUFF ALWAYS GIVING TROUBLES WHY NOT ADD IT IN YOUR BOOK OR AT LEAST IN YOU CATHALOG ONLINE DOOR MICRO SHIP BOXTERS OR 996 YOU HAVE TO SEARCH SEARCH UNTIL GET THAT NUMBERS!
May 7, 2012
  Followup from the Pelican Staff: Hi there. All the part numbers are contained in the pages on the link above that says "Need Parts?" above. Here it is also: http://www.pelicanparts.com/catalog/shopcart/101P/POR_101P_BOX078_pg1.htm - Wayne at Pelican Parts  
jerry Comments: why you don't add the micreo switches parts numbers , so will be easy just oreder from you site, is real common problem doors windows no lowering and lights inside still on caasuse car thinks doors is openQ
May 5, 2012
  Followup from the Pelican Staff: Good idea. I have added the left side and right side microswitches for power windows. - Scott at Pelican Parts  
Phil Comments: Hi Wayne, I've taken apart the door handle on my 99 boxster. The key would just spin in the door lock and not lock or unlock the door. What is the broken or worn part that would need to be replaced? It doesn't appear that anything is cracked or broken; is the cylinder just worn out and not able to spin the cam that locks the electronic lock?

What are the fix options?

Thanks,

Phil
April 10, 2012
  Followup from the Pelican Staff: The key attaches to the mechanism behind the door. Without seeing photos of your mechanism, I can't say what is broken. However, I have a set of bonus photos from this project available here: http://www.101projects.com/Boxster/Projects/078/page1.htm

Compare your handle and mechanism to the photos, and you should be able to figure out what is wrong... - Wayne at Pelican Parts
 
ferrytrip1 Comments: Hi I got to the point to disconnect the small lever bythe handle but could not remove the lock from the door it seems to be still connected to the keylock. How do I remove this? Thanks
March 21, 2012
  Followup from the Pelican Staff: I'm not following you. The door handle is still stuck installed? try pulling it down then out of door. - Nick at Pelican Parts  
bratboy03 Comments: Hi there. I just had my 2003 Boxster S for its smog test. When it returned the R/H window stopped dropping the 1/2 or so to open the door and would foul the seal. I discovered that I could manually push the window down the amout needed to open the door with no fouling. I have rplaced the R/H regulator andf motor because I found a worn rrubber buffer piece in the motor itself. Now it works , sort of. The window is now firmly connected but still won't drop the full amount and I can't find where the adjustment for this is. If I hold the inner or oputer handle they both do the same thing. Am I going to need to get into the handle as well. Thanks for any help you could give me and loved the book.


HI there. SO when you try to figure out situations without all the proper information you go back and retrace steps. In thinking about this I am pretty sure it isn't an electrical problem. When I compared the old regulator and the new one I saw a series of circlips. The new one had one part way out the old one had them all in. Is it possible that this could be the problem?. Does that set some sort of tension? The window drops and goes back up when the handle is pulled it just only goes about halfway?
February 25, 2012
  Followup from the Pelican Staff: The window should open uniformly across the top of the glass and drop down about 13mm. If it does not it may need to be adjusted.

There is an adjustment at the bottom of the regulator. Two threaded bolts that raise and lower each side of the regulator. - Nick at Pelican Parts
 
Dave Comments: I have an '01 Boxster S. Same issues, passenger window won't retract the few inches to close, horn beeps twice, also remote won't unlock doors. I am assuming it is the door lock mechanism and will start there. Purchased the book, but my question is this. Since it is the passenger door, I have no lock on my passenger door, and the parts associated with this article both say left. Am I replacing the driver side door lock mechanism? I assume there is no passenger door lock mechanism? And why are there two different prices on the lock mechanisms associated with this article. I do have the M535 remote keyless entry. I would like to order the parts asap.
February 20, 2012
  Followup from the Pelican Staff: There is still a passenger door lock mechanism. The latch and lock are what you want to replace. - Nick at Pelican Parts  
cmoose Comments: I just thought I'd mention having done some research regarding the probably broken door lock mechanism on my '97 Boxster, that it appears the part is a VW one used on bazillions of VW group cars.

In my case the part number is 3B2837015A for the passenger side of a RHD car. Obviously, if it turns out the part is literally identical, this opens out a lot of opportunities for getting the part cheap.
February 1, 2012
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it.
- Nick at Pelican Parts
 
Warwick Comments: Hi Wayne,

I have a question about the hood and trunk release by the drivers door sill. cant seem to find the right section for it on this site
The screw that goes through the hook on the end of the trunk cable into the lever has worked its way almost out and its getting caught on the inside and therefore preventing me to pull the lever and release the trunk.
Can you give me any tip on how to remove that panel to get in there and tighten the screw?

Cheers, Warwick
January 24, 2012
  Followup from the Pelican Staff: There are four screws that secure the panel to the door sill. They are accessed from the interior next to the seat cushion. I am going by memory, but 99% sure here. - Nick at Pelican Parts  
The Substitute Comments: I have a 1999 996 that I put in storage last month. I went to check on it today and the key won't unlock the doors, it always worked before, so I changed the battery. I noticed that there is blinking red lights in the middle the dash also. how do I open the door when there is no place to insert the key.
January 1, 2012
  Followup from the Pelican Staff: Hmm, all Boxsters and 996s that I have seen have a keyhole in the driver's side door, although it may be covered by a small body-colored plug. I would take a closer look, or post a photo of your door handle here. - Wayne at Pelican Parts  
txhokie4life Comments: Another failure mechanism is that the door thinks it is shut.
I have determined that there is a micro-switch that fails inside the locking latching mechanism.
You can get access to the switch, but I haven't figured out if it is serviceable/replaceable yet.
December 27, 2011
  Followup from the Pelican Staff: The unit is only available from Porsche as a complete assembly. That's not to say that you could not find a replacement switch to repair the unit at some electronics store. I don't have a source yet for that. - Wayne at Pelican Parts  
txhokie4life Comments: On my '00 the bolts that hold the door lock mechanizm are tri-square not Torx - a torx will strip them I think.
Baically a 12pt.
December 27, 2011
  Followup from the Pelican Staff: This is triple square. I forget the size, either 10 or 12. - Nick at Pelican Parts  
Rishi Comments: The bolts holding in my locking mechanism are spline as they appear to be in your Figure 1. Do you know what size spline socket i require to remove the bolts?
December 13, 2011
  Followup from the Pelican Staff: The "splines" you're referring to on the bolts are called Torx - they allow you to apply a greater amount of torque to a fastener with less risk of stripping. They are indeed a big improvement over standard hex fasteners. If you're going to be working on the car often, you should invest in a good quality set of Torx bits and drivers. - Wayne at Pelican Parts  
matt Comments: Thanks for the article and advice. The lock mechanism did indeed fix the window not going down a 1/2 inch when opening and closing the door. The bolts that mount the mechanism on my 02 boxster were not Torx, but a spline bit, and the appear to be OEM. I used vice grips to get it off as I didn't have the spline attachment looked like it had 12-16 teeth vs 6 on a torx and the torx starting stripping the teeth in the bolt head. PS. 101 projects book is invaluable so far for the various projects I've done on my car. thanks, matt.
November 26, 2011
  Followup from the Pelican Staff:
Thanks for the feedback. Glad we could help.

Some vehicle had a triple square like you described. A torx bit will definitely strip it. Glad it worked out. - Nick at Pelican Parts
 
carl Comments: I have a 2000 Boxster. The alarm beeps twice when activated with the key. I can manually lock the driver door but the passenger door stays unlocked. The problem began when riding in the car and the doors locks were randomly locking and unlocking. The dash key switch was flashing as well. Now, the window switches won't open the windows, but the windows will open slightly when opening the doors on both sides. C-3 fuse is ok, fuse on central alarm box is ok too. So, cannot open the windows with the switches, dash key switch doesn't work and light up,alarm doesn't work just two beeps, interior door lights don't work as well. Must be a short, bad ground or switch?
October 1, 2011
  Followup from the Pelican Staff: Two beeps means that something is open or stuck. I had a similar problem on my 996 - turned out to be a pinched wire harness in the door panels. I found it using the PST-2 tool (the Durametric tool works well for this also). You can test each switch using the tool to see which ones are working when you open / close the door. The fact that the windows will not lower is also very odd - usually the window switches only stop working when there is a problem with the roof switches. I'm going to copy this question to the forums - perhaps there are others who can offer some suggestions. - Wayne at Pelican Parts  
steve holloway Comments: Hi, My 2002 Boxster s thinks that the passenger door is permenantly open so when you shut it, the window does not go up the couple of inches to make a seal with the hood. This also keeps the interior lights on. If I alarm it then the window will go up and it is fine. Do you have any ideas what this could be?
September 26, 2011
  Followup from the Pelican Staff: This is a very common failure - the problem most often lies in the microswitches in the door lock mechanism. Check out the article above - there are complete instructions on replacing the mechanism.

I also had a car that had the wires pinched when we put the door panel back on - it had the same effect - negating the action of the microswitches. So you might want to check that first.

- Wayne at Pelican Parts
 
Pa3.4l Comments: I have a 1998 boxster. While sitting in the car I pulled the handle to open the door and heard a snap.. The window drops but the door will not open. However if I use the outside door handle, the door will open but you really have to pull up hard as if something is catching to open the door. What can it be?
September 4, 2011
  Followup from the Pelican Staff: It's definitely one of the small plastic pieces that connect the linkage inside the door. The article shows you how to replace it - you just need to pop off the door panel and take a look inside to see exactly which piece broke. - Wayne at Pelican Parts  
nigel24 Comments: I have a 97 Boxster,which i am unable to lock using the key fob the light on the key flashes but will not lock the car or set the alarm.If i put the key in the door, it will lock but as i unlock the key to get in the alarm goes off. I was told it was the battery on the key which i replaced.I have even had a new door barrel and new key .Which has been programmed.to great expence .The central locking switch in the car works which locks the doors. The Hood ,Windows , and interior lights work fine Help me as it is so frustrating .
September 3, 2011
  Followup from the Pelican Staff: I had the same problem with my 996 (which is very similar to the Boxster). The issue was that one or more of the door electric switches was not working properly, so the car *thought* that the door was ajar when it wasn't. The car would beep and then not lock the car. You didn't mention if yours was beeping or not. If not, then the key fob may have lost registration with the car's internal alarm. Unfortunately, the only way to reset / reprogram the key is with the factory tools, and most people don't have them. The dealer can check / reprogram the key if you think that's the problem, but they typically charge for that as well. - Wayne at Pelican Parts  
Por986 Comments: My 2001 S just began having problems on the driver's side. It might be related to the record heat wave in Texas. The window lowers, but not enough to open the door smoothly. Upon closing, the window will 'snap' passed the seal and raise up approprialely. If open, I can push the window down with my hand maybe a few millimeters and of course closing is fine at that point.

1. Can I see if this is fixable without purchasing first off? what testing can I perform?

2. From reading comments here, seems to be a Window Regulator. Correct?

Thanks Wayne - keep up the excellent work!!
August 29, 2011
  Followup from the Pelican Staff: This is a sign of a worn out regulator or slack cable in the regulator. I have seen notes from people on how they took the regulator apart and added a spring-loaded attachment to the end of the cable to keep it tight, but I'm not sure how long that fix would last. The sure-fire solution is to replace the regulator. Unfortunately, it's not a terribly robust design. - Wayne at Pelican Parts  
Fritz Comments: 2002 Porsche Boxter - window does not slide down to allow door to open - car does not turn on - oil, battery and air bag lights are on--is this a problem with the central locking system
August 20, 2011
  Followup from the Pelican Staff: The window not sliding down problem is an issue with the switches in either the door handle or the door lock mechanism itself. The procedure for repair is documented in this article. If the car doesn't turn on, then indeed, it may be a problem with the alarm or key. Unfortunately, the only real way to check to see if the key is properly registered with the DME and alarm system is to have it checked on the Porsche factory tool (PST-2 or PIWIS). Except for a few good independent shops, typically only dealers have these.

Then again, failure to start may be a completely different problem. I would check the DME codes to start - there may be something very wrong. Also, if the starter turns over (you didn't mention if it did), then there is not a problem with the alarm system. - Wayne at Pelican Parts
 
GaryM Comments: I have a '51 year Boxster S and the driver's door has jammed shut. When using the key or remote function I can still hear the solenoid actuating but the door remains locked from both inside and outside. When the alarm is disengaged and the handle is pulled the window drops to break the seal as normal but the door won't budge, release the handle and the window returns to fully shut. Common fault?
June 17, 2011
  Followup from the Pelican Staff: The door lock mechanism inside the door is disconnected or broken. Yes, common fault, although most of the time, the inside door handle works so you can get the door open. This is a tough one, you'll have to put the roof down, remove the driver's seat, and then remove the door panel (I think you can get it off with the door locked). Not a fun job indeed. - Wayne at Pelican Parts  
Dirty Comments: I have a 2000 Boxster and the left door key lock turns 180 degrees from stop to stop but the door doesn't unlock. I've removed the mechanism 996.537.063.02 with help from my Boxster book from youI need a new lock assy, what do I do for a key?
April 29, 2011
  Followup from the Pelican Staff: That part number is not showing up in my records as a valid part number? The lock mechanism is separate from the key - you should be able to remove the actual "keyed" mechanism from the lock cylinder and then install it into a new one. That is, if I understand your question correctly? - Wayne at Pelican Parts  
Mark Comments: My driver's side handle is loose. It "drops" away from the door and causes the window to lower the 1/4" in preparation for opening the door. If I push the handle back up into place, the window goes up into the frame. Is there a spring adjustment to tighten the handle?
April 18, 2011
  Followup from the Pelican Staff: I'm not aware of any adjustment in there. I think there's probably something broken where it attaches. It's pretty easy to remove the door panel and take a look, I would try that. I think you'll probably find the handle support broken. - Wayne at Pelican Parts  
leight Comments: Aloha- Great site & info, thanks so much for sharing!
I have an '01 Boxster & was locked out of the car one morning. When inserted & turned the key tuns/spin either way with no resistance.
Also, is the driver's side door/lock the only way to unlock/access the car?
Take Care
March 16, 2011
  Followup from the Pelican Staff: It sounds like the ignition lock cylinder mechanism is broken. I had the same problem on my BMW 5-Series. Sometimes just turning it around a couple of time fixed the problem (on the BMW). Other than the electronic open/close button on the key fob, the driver's side door is the only way to get into the car. - Wayne at Pelican Parts  
Gary Comments: I have a 2000 Boxster. I purchased a Window Regultor from Pelican Parts and installed it with no problem. However the drivers window doesn't stay down when the door is opened. The window will lower when the door handle pulled on both the outside and inside however as soon as the handle is released the window raises to the fully up position causing the window the hit the roof. Now I have the above problem with the lack of comfort gap. When I "trick" the door by manually closing the latch in the door the window will stay down in the Gap Position or Comfort Gap I think is what it is really called. The micro switch on the door handle must be working ok for the window the go up and down when raised - it appears as though whatever other component this switch is talking to is mixed up. Can you advise? I've tried to "reset" the window by raising and lowering and holding the window switches at the upper and lower limits but nothing seems to help. Is there some simple "re-booting or re-learning" thing I can do to fix this?
March 15, 2011
  Followup from the Pelican Staff: There's another switch in the door lock mechanism that has failed and is not operating properly. The car probably thinks that the door is still locked and closed, that is why it is raising the window back up. Take a look at my article on replacing the door lock mechansim: http://www.pelicanparts.com/techarticles/Boxster_Tech/78-BODY-Door_Handle_and_Lock/78-BODY-Door_Handle_and_Lock.htm it will show you what you need to know on replacing this and fixing this problem. - Wayne at Pelican Parts  
Nigel 24 Comments: HI i have a 1997 Boxster the central locking works fine with key remote, windows drop when you open both doors.However if i lock the car and leave it longer than five days it goes into shutdown and i am unable to unlock with the key fob. [I have to open bonnet and disconnect and reconnect battery to reset it ].When i put the key into drivers door to unlock. The inner barrel is spinning could you tell me is there a clip which holds this in place or do i have to replace barrel and key.
February 7, 2011
  Followup from the Pelican Staff: Yup, this is standard behavior for the Boxster and 996. When you leave them locked for an extended period of time, they go into an extended lock-down cycle, and can only be opened with the actual key. I can't recall if this is to save the battery, or to help prevent theft, but I don't think there is anyway to disable this in the main alarm computer.

That said, you'll have to take apart your door and handle and take a look at what's disconnected and/or broken. There is a small switch in there that should electronically activate the doors when you turn the key - that might be broken, although it does sound like the lock cylinder that you have has had the end fall off of it. See the article bonus pics for more views of how the key, cylinder and door lock integrate together: http://www.101projects.com/Boxster/Projects/078/page1.htm - Wayne at Pelican Parts
 
761 Comments: Wayne, Great site, great book, great parts supplier!
I have a 1999 Boxster.
The doors will NOT unlock with the remote.
The windows lower when opening and closing doors.
I replaced the drivers side DLM, a few days ago because the window was NOT lowering. I thought it may fix the door unlocking issue, but it has not.
I hooked up the Durametric and get codes 46 and 47, both say Central Lock Synchronization.
I can't find any OBD codes that relate to alarm/keyless entry. The only codes I can see to find anywhere are the Engine codes.
When I attempt to unlock the doors via remote, I get two beeps, and the doors lock. I hear all the servos running, it sounds like doors are unlocking then locking again.
Can you please help with knowledge or codes or where to start looking?
Thanks in advance!
January 6, 2011
  Followup from the Pelican Staff: We had almost the same problem the other day with our test platform 996. The car would not lock, and the lights would stay on when the door was closed. What I did was I took the Porsche PST-2 and plugged it in and went through the alarm diagnostics section. This allowed me to arm the car and then open the doors and test all of the switches to make sure that they were operating properly. I'm not sure if the Durametric tool has this functionality (nothing beats the factory PST-2!). It turned out that one of the wires to the door switches was pinched by a screw that held on the door panel. I just simply removed the screw, patched the wire, and all was good after that. - Wayne at Pelican Parts  
steve Comments: Hi Wayne,
Just ordered the book from Amazon. Really looking forward to it! I just replaced the door lock mechanism. Performed perfect for a couple of weeks. Now, my key fob works remote buttons do lock and unlock the door, but the physical key does not lock or un lock the door! Weird. Any thoughts?
Steve
January 2, 2011
  Followup from the Pelican Staff: If you check out the article, you will see there is a plastic piece that connects the door lock mechanism to the actual key cylinder. This plastic piece has a tendency to break - it's probably broken on your car. I would remove the door panel and take a look, you'll probably find this $3 piece of plastic lying in the bottom of your door. - Wayne at Pelican Parts  
Jinster Comments: I have a MY97 986. It's RHD Australian. No alarm or remote entry.

My driver's right sided door seems to think it's closed all the time. The window only drops when either the interior or exterior handle is pulled, and goes back up as soon as the handle is released. If I lock the left hand door, the interior light would switch off even if this right hand door is completely open - again suggesting the door think it's closed.

The problem, as you say, is probably in the right door lock mechanism.

But I would like to confirm another symptom before I replace the lock mechanism.

I cannot lock the car from the left or the right side doors with just one turn of the key. Which is strange.

On the left door:
1. If I turn the key once, the left door would lock. But the right door with the presumably broken lock mechanism would try to lock and then automatically unlock. This is odd because if the right door thinks it's closed all the time, shouldn't it just lock anyway? Why would it unlock itself?

2. If I turn the left door lock twice or three times, both doors would lock.

If I put the key in the right hand door:
1. If I turn the key once, it would try to lock the right hand door, and then unlocks straight away. Nothing happens to the left hand door.
2. If I turn the key twice, it would try to lock, pauses for 1 second, then unlocks. Nothing happens to the left hand door.
3. If I turn the key three times, it would lock and stay locked. But still nothing happens to the left hand door.

Does a broken right hand door lock do this? Or am I looking at some sort of central locking computer failure?
November 5, 2010
  Followup from the Pelican Staff: I think you're on the right track. It sounds like the microswitch inside the door lock mechanism on the driver's side is broken. The window going up and down when you pull the handle only is a big clue. I would replace the door lock mechanism, and I think that will solve your problems. - Wayne at Pelican Parts  
lambodan Comments: Hello, I have a 98 boxster, I was wondering if you had any instructions on how to remove and replace the heater core, I'm assuming that is my problem since the windshield keeps fogging up and it smells like anti-freeze.
November 5, 2010
  Followup from the Pelican Staff: Sorry, I have not done this project yet, I would suggest you ask in our Boxster forum (link at the bottom of the page). - Wayne at Pelican Parts  
carrera88 Comments: Silly question: what is the size of the tool that removes the M8 x 14 screws that hold the lock mechanism to the door in a 996? It appears to be a 12 point star triple square, but what is the tool designation?
September 29, 2010
  Followup from the Pelican Staff: I think you've got it - they are called triple square in the SK Tools catalog. - Wayne at Pelican Parts  
ads Comments: Hi i have fixed my window it was were the 8 pin conector block clips in to the door lock mechanism there must be a bad conection in side as when conected and moved to one side it worked so i put a little screw in pushed the 8 pin conector together and it keeps it to one side now and it works fine.just a follow up if any one has same problem as i thought it was a broken wire.
September 26, 2010
  Followup from the Pelican Staff:
Thanks for the additional Info. We appreciate it. - Nick at Pelican Parts
 
ads Comments: Hi i have a problem with my drivers window on my 2000 boxter S. it was hitting the roof when i closed the door and not dropping the 1/4 inch it should so i romoved the door pannel and it seems every time i touch the wires going to the door lock mechanism the window goes up and down the 1/4 inch it should so im presuming its a broken wire but i cant find it.I read on another forum some one had the same problem and said its were the 8 wires connect to the mechanism block.im not sure whether its the microswitch now or the wireing block connector. Any ideas please on how to fix???
September 25, 2010
  Followup from the Pelican Staff: It's most likely the microswitch inside of the door lock assembly. These fail all the time. Replacing the door lock assembly almost always solves this problem, and returns the proper operation of the window. - Wayne at Pelican Parts  
Jen Comments: Just wanted to double check that we probably need a door lock mechanism and not a window regulator for a Porsche Boxster. The windows, locks, etc are working fine. The problem is that we can't close passenger door because it won't go down the 1/2 inch to allow it. We have to lower the window to close the door. Thanks so much!!
September 17, 2010
  Followup from the Pelican Staff: It could be either one of those. Does the motor turn and make a noise when pulling open the door? Does the window move just very slightly when the door is opened? If yes, then the problem is probably with the window regulator (this was the problem with my car). If it doesn't move at all, then the problem is probably with the internal switches inside the door lock, and the replacement of the door lock assembly will probably solve the problem. - Wayne at Pelican Parts  
Sumner Comments: As per my last question, I figured out the problem with the key not going in. When I installed the mechanism, I did not see or notice that there was a plastic extension from the lock that fit into the door mechanism not in the instructions above and I had bent it away. When I reinstalled it correctly, everything was fine. Thanks.
July 6, 2010
  Followup from the Pelican Staff: Thanks for the follow up. We appreciate it. - Nick at Pelican Parts  
Sumner Comments: See my question and your response on June 3. I bought the door lock mechanism from you and it fixed my problem with the remote lock not working. However, I now can't put the key in the door physically. As you said above, it was not necessary to do anything with the door handle, and I didn't touch it except to disconnect the part that connects to the door lock mechanism. The key only goes about halfway in. I was using the key several time a day until I parked the car to replace the door lock mechanism. This is very strange. I tried both keys, and it is the same. However, the keys do go into the ignition to start the car. Any ideas?
July 3, 2010
  Followup from the Pelican Staff: Hmm, I think it may be a coincidence here - maybe your lock is sticky. Try spraying some WD-40 inside the lock and see if that helps. Be aware though that for a while the key will be oily when you remove it from the lock, so don't stick it right in your pocket. - Wayne at Pelican Parts  
Phil Comments: I have a 99 Boxster. The problem I am having is that the window will not always stay down at the comfort height when the door is open. It seems to be getting worse... Yesterday the window was going up and down the half inch by it self over and over without stopping. I ended up pulling the fuse that controlled that. I also noticed that the interior lights would come on by itself with the door closed. Does this sound like the 'door lock mechanism' or the switch on the exterior door handle?
June 23, 2010
  Followup from the Pelican Staff: It definitely sounds like the internal switch inside the door lock mechanism. The handle switch tells the car you're about to open the door - it has nothing to do with the interior lamps. The door lock switch (internal to the mechanism shown above) is what sends the signals for the interior lamps. - Wayne at Pelican Parts  
MogulBoy Comments: ozzy_pete,

I think that you may have the same problem that I have.

There are at least two microswitches in each door.

The one indicated by the purple arrow in figure 2 is the one that drops the window when you operate the door handle from the outside 996 613 125 00 microswitch power windows left, circa $20-30 for this switch complete with connecting cable.

The problem that we both appear to have is another microswitch located on the door lock mechanism itself that recognises when the door is open and prevents the glass being raised to the top. When that baby fails, and it could be a mechanical rather than electical failure as I understand there is a little plunger that can shear off the door thinks it is closed all the time and therfore the window defaults to the all the way up position.

I have read elsewhere that this little microswitch is bonded or otherwise fixed to the door lock mechanism unit and it isn't designed to be replaced separately.

You would therefore have to use some inginuity to repair it or replace it with an equivalent microswitch from an electronics store or spring for the $100+ door lock part part #14 on illustration 804-00 of the E_996_KATALOG.pdf

In the meantime I have spent $30 on the 996 613 125 00 microswitch power windows left which I don't need but perhaps when I take it appart, the microswitch will be the same type of unit, just in a different application.

I don't know if I can be bothered stipping down my door first to have a look so I think I'm about ready to go for the $100+ lock mechanism replacement option as at least that should be a guaratneed fix and time = money!
June 8, 2010
  Followup from the Pelican Staff: I agree. The door lock mechanism shown in Figure 5 should do the trick to fix this problem. - Wayne at Pelican Parts  
ozzy_pete Comments: 2000/2001 986 - The drivers window doesn't stay down when the door is opened. The window will lower when the door handle is raised inside and outside but as soon as the handle is released it raises to the fully up position causing the window the hit the roof. I think the gap that allows the window to stay down is called the comfort gap - this used to work all the time until I tried to open the door while I had the car jacked up and on stands located at the 4 jacking points. For some reason the door would only open slightly, so suspecting that the body had twisted I shut it again. Now I have the above problem with the lack of comfort gap. When I "trick" the door by manually closing the latch in the door so as the "trick" it to think it is closed when it is still open, the window drops to the comfort gap but stay there until I close it and open it again. It then drops as it is supposed to but raises again when I release the handle. It appears as though the door thinks its closed when it is open. The micro switch on the door handle must be working ok for the window the go up and down when raised - it appears as though whatever other component this switch is talking to is mixed up. Can you advise? I've tried to "reset" the window by raising and lowering and holding the window switches at the upper and lower limits but nothing seems to help. I've heard of this type of thing happening to other Boxster owners when they had their cars on stands. Surely its some simple "re-booting or re-learning" thing and not a window regulator as some are suggesting.
June 5, 2010
  Followup from the Pelican Staff: Right - I agree that this is not a regulator problem. There are two switches, one in the handle and one in the door. When you pull the handle, it will see you are pulling and then drop the window down. But, the other switch is telling the car that the door is still closed, so when you let go, it pops back up. Same thing as if you pull the door handle with the door closed, but don't actually open the door (the window will pop back up). It may be a simple adjustment of your door, where the catch is not triggering the door switch in the mechanism inside the door (but the door handle switch is working fine). Replacement of the mechanism and/or adjustment of the door would probably help. - Wayne at Pelican Parts  
Sumner Comments: Does the replacement of the door lock mechanism affect the key, or is the original tumbler a separate part that remains.
June 3, 2010
  Followup from the Pelican Staff: The tumbler is actually part of the door handle, not the door lock mechanism, so you can replace the mechanism without having to worry anything about the keys. - Wayne at Pelican Parts  
Luis Comments: I have a 996,yr 2000 and the passenger window will not lower the 1/4 inch while open/closing the door. However, the window will go up/down normally. Is this a door lock mechanism? How much is it?
June 2, 2010
  Followup from the Pelican Staff: Hi there. I had the same problem on my car, I replaced the regulator and it worked fine after that. I could hear the motor though trying to lower the window - it just wouldn't move - there was too much slop in the regulator. If you do not hear the window trying to lower, then the problem is with the microswitches in the door. There is one attached to the handle, and then there are switches also in the actual door lock mechanism. You may have to replace one of those if the regulator is not the problem. - Wayne at Pelican Parts  

Check out some other sample projects from the book: 

 

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  Applies to: 1997 Boxster, 1998 Boxster, 1999 Boxster, 2000 Boxster, 2001 Boxster, 2002 Boxster, 2003 Boxster, 2004 Boxster, 2005 Boxster, 2006 Boxster, 2007 Boxster, 2008 Boxster, 1999 Carrera, 1999 996, 2000 Carrera, 2000 996, 2001 Carrera, 2001 996, 2002 Carrera, 2002 996, 2003 Carrera, 2003 996, 2004 Carrera, 2004 996, 2005 Carrera, 2005 997, 2006 Carrera, 2006 997, 2007 Carrera, 2007 996, 2008 Carrera, 2008 997
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