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Pelican Technical Article:

Boxster Oil Change

Bob Tindel



Applicable Models:

Porsche 986 Boxster (1997-04)
Porsche 986 Boxster S (2000-04)
Porsche 987 Boxster (2005-12)
Porsche 987 Boxster S (2005-12)
Porsche 987 Cayman (2007-12)
Porsche 987 Cayman S (2006-12)

     Changing the oil on the Boxster is somewhat easier than on other Porsches.  There is no separate oil tank to drain, and there is only one filter, which is easy to access.  Also, the filter is located so it doesn't spill oil on other parts of the car when it is removed.  The recommended oil change interval is 15,000 miles, but I prefer to change the oil and filter at 5,000-mile intervals.

     The first thing to do for this project is to get together the necessary parts and tools.  You will need a genuine Porsche OEM filter, which comes with a rubber O-ring seal (Figure 1).  You will also need an 8mm allen wrench, and the correct size oil filter wrench.  I used a plastic wrench that fits several different sizes of filters, one of which happened to be correct for the Boxster (Figure 2).  The oil filter for the Boxster unscrews just like the filters on the 911s, but the similarity ends there.  The Boxster filter is a plastic housing with a replaceable paper cartridge.  This plastic housing is meant to be reused indefinitely, so don't use pliers or any other tools for removal that might pierce or crack the housing.

     To begin, jack up the car, and use safety stands.  Make sure it is secure, because you will be working underneath.  For the correct way to jack up your Boxster, see .  For this procedure, it is necessary to jack up only the left side of the car.

     Put a large drain pan under the car to catch the oil.  My favorite one holds 16 quarts, and it doubles as a storage tank to hold the used oil until you take it for disposal (Figure 3).  I also use a drip tray under the drain pan to catch any oil spills.  Remove the oil drain plug, keeping mind that the oil comes out quite fast.  Be especially careful if the oil is hot.

     Remove the oil filter by turning it with the filter wrench (Figure 4).  The filter housing will come off, leaving the paper cartridge hanging from the filter base on the engine.  Remove and discard the filter cartridge.  Replace the rubber O-ring on the filter housing, and oil it lightly (Figure 5).  Working under the car, replace the filter cartridge by pushing it onto the extended portion in the center of the oil filter base.  It fits correctly either way-there is no top or bottom.  Screw the oil filter housing onto the engine by hand.  You can feel when the rubber O-ring begins to seat, and when the filter housing bottoms onto the filter base.  Tighten the filter housing to 25 Nm (18 Ft/Lbs).

Replace the crush washer on the drain plug.  Reinstall the drain plug and tighten it to 48 Nm (35 Ft/Lbs).

     Lower the car.  Refill the engine with nine quarts of oil, making sure to put the oil in the correct filler-it has a yellow cap, marked oil (Figure 6).  The Boxster has a small funnel built in to the oil filler, but I like to use a large one to reduce any chance of spills (Figure 7).  For the climate where I live (Southern California), I use Mobil 1, 15w-50.  Check the oil level with the dipstick, and then verify it by turning the ignition switch to the "run" position and reading the oil level gauge.  Start the engine and check for oil leaks.

Take your Boxster for a spin and enjoy the fact that you just saved about $100!

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

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Comments and Suggestions:
guss Comments: Hello, I have a boxster s 2000, but my problem is oil in the water, the car star normal no check engine light come on, and leak oil mixed with coolant, I check the oil cooler and is ok, but the O rings feel really flat to the surface of block? Is any chance of the problem is the O rings?
Before a crack head or block
May 18, 2015
  Followup from the Pelican Staff: Could be the cooler itself, but not likely the O-rings. The o-rings would cause an external coolant leak, the cooler itself can cause oil coolant intermix issues. It is a good practice to try the cooler first before committing to a rebuilt engine. - Casey at Pelican Parts  
mrfixit76 Comments: I recently sent my oil in for its first analysis following an AOS failure and it showed unusually low viscosity for Mobil1 0w40. The cSt 100C = 10.2 when I was expecting a reading closer to 90. Any ideas as to how this could be and could it be related to the the AOS going out?

The oil had 8,279 miles on it and my 05 boxster has 98,479. The other readings were at tolerable levels although slightly high. Iron = 28 ppm, lead=5ppm,cu=10ppm,Al=4ppm. Which would make sense with unusually thin oil. Definately will retest and change to a thicker oil at the next oil change. Have you ever seen this happen in a Boxster? Bad O-rings? Could unburned fuel be seeping through to the oil ....or am I going paranoid?
March 17, 2015
  Followup from the Pelican Staff: Ok, first 8,279 is too many miles. These cars should have 3-5k mile oil change intervals, and the oil filter should be inspected for metal debris at every oil change. This alone could account for the viscosity being lower than you would expect.

The AOS when faulty sends oil through the intake where fuel vapor is a normal part of the vehicles evaporative emission control system. Fuel contamination will lower viscosity.

I would recommend performing oil analysis again after a 3k mile oil service, and if your reading is closer to what you expect, try a 5k mile oil service and base your maintenance interval on your observation. - Casey at Pelican Parts
jc-ReyDavid Comments: thank you nick !! is it any frame by frame indication of how to access the shift range switch , I could not find it in the forums !!
February 23, 2015
  Followup from the Pelican Staff: We don't currently have that tech article. If we get a chance to perform the procedure, we will be sure to document it.

I would grab a repair manual. It will have the procedure, special tools and torque specs.

Give our parts specialists a call at 1-888-280-7799. - Nick at Pelican Parts
jc-ReyDavid Comments: Excellent forum !! I have a boxster s 2005 automatic 3.2 L and after siting still for 8 months have a display " selector lever not engage " in an intermittent basis while driving turning on /off light indicator of gears and manual/drive , and not engaging the proper gear when that happens. is it a faulty electrical at the stick ? can you tell me how to fix it . thx
February 18, 2015
  Followup from the Pelican Staff: This fault indicates the shifter lever is not fully in the drive position. I would inspect the shift range switch for rodent damage, especially if the vehicle sat for 8 months. - Nick at Pelican Parts  
justdrive Comments: What can I expect to pay for a coolant reservoir tobe replaced in my 99 boxster
February 16, 2015
  Followup from the Pelican Staff: The part is here along with the price: #item10

I don't know what it will cost to have it installed in your area.

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
Brennan Comments: Aloha, I have a 1999 Porsche Boxster. The oil dipstick holder allows the dipstick to be pushed down further than it normally goes. Is there a part that can fix this? Any ideas on where to get it if there is such a thing. Thank you, Brennan
October 29, 2014
  Followup from the Pelican Staff: I think you have to replace the assembly. 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
Robert Comments: Nick, would be please tell me or direct me of how I would replace the oil level sender? I found the part but I'm not sure on how to go on about of replacing it. Any help would be helpful thank you!
October 10, 2014
  Followup from the Pelican Staff:
We don't currently have that tech article. If we get a chance to perform the procedure, we will be sure to document it.

I would grab a repair manual. It will have the procedure, special tools and torque specs.

Give our parts specialists a call at 1-888-280-7799. - Nick at Pelican Parts
Robert Comments: Nick, is it possible that the oil pressure sender unit might have to be replaced?
October 10, 2014
  Followup from the Pelican Staff: Sure, it is possible. - Nick at Pelican Parts  
Robert Comments: Nick,Would it cost a lot to fix the level sensor? Thanks
October 8, 2014
  Followup from the Pelican Staff: Not if you do it yourself. If you need a shop's assistance, I suggest calling around to a few and getting quotes. - Nick at Pelican Parts  
Anthony Comments: Wayne, I have to thank you for your time and great ideas here. I do live in northern Illinois and use my Boxster 2004 from April till October around 3500 moles per year. Car was well maintained at dealership by original owner. I am trying to change oil and filter. Should I use 0W-40 Mobil 1 which recommended by Porsche, or use Mobil 1 5W-30 ? Thanks!
October 1, 2014
  Followup from the Pelican Staff: a 10/40 is fine. Just double check in your owner's manual.- Nick at Pelican Parts  
Robert Comments: Thank you for the input Nick! What weight should I use in the winter time? And before I read your comment, I used Mobile1 0w/40 but when I start the car it says the oil gauge is blinking on the bottom level and then when I run it and drive it around and turn it off and back on the oil gauge is in the middle. But the next day when I turn it on, it goes back to the blinking bottom level. Do you think something is wrong or you think I should've used 15w/50 instead of 0w/40? Thank you for any input.
September 21, 2014
  Followup from the Pelican Staff: There may be an issue with the level sensor. I would start by confirming the oil level is OK. - Nick at Pelican Parts  
Robert Comments: I have a Porsche boxster 1998 with 95k miles on it. Which oil would you recommend between. Mobile 1 and Pentosin and what weight should it be? Thanks!
September 14, 2014
  Followup from the Pelican Staff: Mobil 1 15w/50 is fine. - Nick at Pelican Parts  
Betty Comments: Nick, thanks for the reply! No, the mechanic does not drive the car to a location with a scan tool. He had the guts to tell me that it 'had to be driven for at least 15 miles in one trip in order to reset it' and when I suggested I couldve done that he said that would not be possible. Guess I won't go there again.
September 11, 2014
  Followup from the Pelican Staff: Ask him to show you the process. You need a scan tool to perform it. Unsure of what he is doing. I'd be curious to know, give him the benefit of the doubt. - Nick at Pelican Parts  
Betty Comments: Recently I had my oil changed 2013 Boxster and the garage mechanic drove the car about 18 miles. When I complained, the service manager adamantly insisted that you have to drive the Boxster 15 or more miles before the Service Indicator will reset. Is this true, or was he just b.s.'ing me cause I'm female?
September 10, 2014
  Followup from the Pelican Staff: It can only be reset using a Porsche scan tool. Maybe he drives it to a location with a scan tool? - Nick at Pelican Parts  
dustymiller Comments: I have a 2006 Boxster S. Recently noticed that it is leaking a small amount of oil when I park it. Maybe spot about 3 to 4 inches on the driveway. The oil indicator shows full. Leak stops when car is left without use for a day or so. What could be causing this, and should I be adding oil? I don't have access to a dealership in my province, so I have to depend on garages. Thanks.
September 8, 2014
  Followup from the Pelican Staff: Could be an oil pipe or hose that empties out when it sits. I would inspect the area of the engine where the leak is present. - Nick at Pelican Parts  
Rays Comments: Hi if I purchased a 2001 Boxster S and have no idea if it has synthetic or regular oil what would you recommend ? Also I seen a comment elsewhere that said to use 5w-40 so what's your take on that??
August 21, 2014
  Followup from the Pelican Staff: I would stick with synthetic.

The recommended oil for:

ambient temps generally above 50°F (10°C) -- 10W-40, 15W-40, 15W-50
ambient temps generally below 50°F (10°C) -- 10W-40, 10W-30, 5W-30
- Nick at Pelican Parts
Dave Comments: Sorry Nick 1998 Boxster
July 24, 2014
  Followup from the Pelican Staff: No problem, wanted to be sure of what you are working on.

You will have to remove the alternator and intake air housing to access the filler pipe on the engine. It is held on by a hose clamp. - Nick at Pelican Parts
Dave Comments: I purchased the oil filler tube that fits to the block and the next extension that attaches to it. Any insight on how to remove the old and install the new would be appreciated.
July 23, 2014
  Followup from the Pelican Staff: You didn't mention what vehicle you have. - Nick at Pelican Parts  
Mike R Comments: I have a porsche boxster 92000 mile and the yellow engine light has just come on and a message saying run in the garage
could this be for a services
June 8, 2014
  Followup from the Pelican Staff: I would start by checking the DME for fault codes. If the system is not working properly, a fault code will be set. This will be your best bet when diagnosing.
- Nick at Pelican Parts
CAG Comments: Mobile 1 synthetic or Mobile 1 synthetic new life....for a 2002 Boxster S with 92,000 miles. I live in Alabama. Thank You!!!
May 29, 2014
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
profdavid Comments: I have a 2003 Boxster S with approximately 31,000 miles and use Mobil 1 0W-40 full synthetic oil. I typically only drive the car about 3000 miles/year. I know the specs say that the oil draining schedule can be as long as 15,000 miles for this car, but is there also a time limit on the oil quality, i.e., should the oil be changed every year regardless of the number of miles driven? Thanks.
April 30, 2014
  Followup from the Pelican Staff: I would say once a year, for your scenario. - Nick at Pelican Parts  
martin sanchez Comments: Does the Boxster base 2001 come with a stock oil cooler? Oil is getting into the coolant and i think the seals of the oil cooler might be broken. Where is it located?
April 24, 2014
  Followup from the Pelican Staff: It is located on the right side top off engine, close to the transmission bellhousing. - Nick at Pelican Parts  
pitafrog Comments: 2002S, At 75K Switched to 0w40 mobil1 along with TuneRS Motorsports DOF IMS kit with stock IMS bearing. Plan to change oil @ 5,000 intervals.So far so good. Old IMS bearing was in good shape. That was a big change from 15W50.
December 8, 2013
  Followup from the Pelican Staff: Thanks for the input. - Nick at Pelican Parts  
Tracey Comments: The Porsche Dealer told me to use 0W/40 weight oil.
November 20, 2013
  Followup from the Pelican Staff: I would go with tier recommendation. They do provide the warranty on the engine. - Nick at Pelican Parts  
Dan Comments: I have a 2001 Boxster S with 80,000 miles. I was driving it the other day and it died on me. It acted like a dead battery, however after having the battery test it was fine. once I did did get the car started it as a knock which comes and goes. Engine runs smooth than starts to shake and wants to die. no smoke and oil level is good. Is there anything I can check before I take it to the shop? Thanks Dan
May 19, 2013
  Followup from the Pelican Staff: Other than oil level? You can check fuel pressure and volume. See if it is a fuel delivery problem. - Nick at Pelican Parts  
CuveeBouchet Comments: Thank you, mission complete! most difficult part was lifting, and supporting the vehicle, The Drain plug was torqued on pretty good, I'm glad I had a handle on my 8 mm socket.
April 21, 2013
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
JohnnyDucati Comments: Great site, Wayne. I've read on several web sites that the AOS air/oil separator is problematic on the Boxster. I have an '02 S model and was wondering what the failure mode is? Seems like this a merely a static, plastic part, with no moving pieces, meant to keep frothy oil out of the oil pump. Does it get "gunked-up" from dirty oil, or...? If sludgy oil is the problem, can the AOS be successfully cleaned and re-used?
March 31, 2013
  Followup from the Pelican Staff: There is a rubber diaphragm inside that fails, you cannot clean and reuse them. See this tech article: - Nick at Pelican Parts
Derek Comments: Hello Wayne, I just picked up a 1999 Boxster S. I want to change the oil, what weight would you suggest for temperatures of 90 - 105 degree summer/fall heat. In winter i expect temps to vary from 20 to 65. Your info will be greatly appreciated. Thanks- D
September 28, 2012
  Followup from the Pelican Staff: The recommended oil for:

ambient temps generally above 50°F (10°C) -- 10W-40, 15W-40, 15W-50
ambient temps generally below 50°F (10°C) -- 10W-40, 10W-30, 5W-30

- Nick at Pelican Parts
turbomike Comments: For all you DIY Porsche owners out there, I strongly recommend you go to the LN Engineering website where you will find a detailed article about engine oil use in Porsche cars. With regards to the feared intermediate shaft bearing also called "IMS Bearing"
there is a lot of folk lore out there, but again, I recommend reading the LN Engineering treatise on this topic as well. All fact and no fiction. After reading all these lengthy articles, with respect to the IMS Bearing failure issue, I have come to the following conclusions:
1 No one seems to be able to predict with near 100% accuracy when the bearing might fail in your individual Porsche period.
2 There are things you can do to reduce but not eliminate the chances that it will go. Oils as suggested by LN Engineering; change intervals; and driving styles. One thing that I suggest is to select your gears so as not to drive at 2500 rpm all the time some call this luggingand especially avoid full acceleration under 2000 rpm. Porsches were never designed or tested for low rpm driving; downshift for goodness sake it's a Porsche!!. Lugging a Porsche motor puts additional strains on the bearings including the IMS Bearing. Down shift rather that just push your foot down takes extra effort but is much better for the Porsche engine to keep the revs around 3000-3500 rpm where Porsche engines are quite happy and eager to leap forward from there.
3Install a IMS Guardian Engine Monitoring system that will give you peace of mind and a EARLY notice when and if the bearing is going rather than having the engine quit in a cloud of smoke on the side of the road with the engine now requiring a complete rebuild. Since I installed my IMS Guardian, I have found that my IMS bearing anxiety has almost gone away and I am now really enjoying my Porsche to its fullest potential!
Finally, although it is true that LN Engineering has a new somewhat better IMS Bearing to replace the stock one when it fails, it is not true that this redesigned bearing cannot fail and they definitely have. By taking the approach summarized above, you'll get the best engine performance from you Porsche between IMS Bearing changes!
August 5, 2012
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it.
- Nick at Pelican Parts
Steve Comments: What viscosity oil would you recommend for a once-a-year racing school day in the summertime for my 02 Boxster S ?
June 11, 2012
  Followup from the Pelican Staff: The recommended oil for:

ambient temps generally above 50°F (10°C) -- 10W-40, 15W-40, 15W-50
ambient temps generally below 50°F (10°C) -- 10W-40, 10W-30, 5W-30 - Nick at Pelican Parts
ole-red Comments: Wayne, I have a 2002 Boxster S, while changing out the battery, dumb-s me, put in the battery backwards. It only took a second when I touched the negative cable to the positve post to realize with arc, that I had screwed up. The touch was brief, but apparently I have either knocked out my alternator, or a main fuse in the distribution box located under the dash on the passenger side. I am being told by a dealer, this might be possible..Could you enlighten me on this. After hooking the new battery up right, there is no warning light until the car is run for a couple of hours, then the low battery light comes on?
May 7, 2012
  Followup from the Pelican Staff: Yes, this is a bad thing to do, as you have guessed. Sounds like you may have gotten off easy though. Simply remove your alternator and install a new one, or take it to your local auto parts store to have it tested. I suspect the diodes are blown and you just need a new one. In the grand scheme of things, they are not that expensive, and I would consider yourself lucky! - Wayne at Pelican Parts  
paul Comments: i have a 2000 porsche boxster sometimes it somkes when i let it sat for two days
May 2, 2012
  Followup from the Pelican Staff: That could be normal - it's either oil or gas seeping into the cylinders when it's sitting. If you have no other problems then I wouldn't worry about it. - Wayne at Pelican Parts  
Heiwaz Comments: Hello, my boxster S has got about 100.000 milles. When I change the oil I use VALVOLINE 5W50. I thinking to use in the next change VALVOLINE 10W60. Do you recommended? or other oil?
February 23, 2012
  Followup from the Pelican Staff: Porsche recommends using synthetic oil. The recommended oil for:

ambient temps generally above 50°F (10°C) -- 10W-40, 15W-40, 15W-50
ambient temps generally below 50°F (10°C) -- 10W-40, 10W-30, 5W-30 - Nick at Pelican Parts
Tom Comments: I encounter the same problem as kmgator where oil is leaking from the filter after an oil change. Just order me a new casing in case the old one was damaged. Kmgator, did you ever find out what cause the leakage? Wayne, if I unscrew the old filter casing, will all of the oil drain out? Thx.
February 5, 2012
  Followup from the Pelican Staff: Recheck the O-ring seals carefully. If you take off the oil filter housing without draining at least some of the oil, the oil in the housing will certainly leak out all over the side of the engine - Nick at Pelican Parts  
greywolf40 Comments: Interesting, I have a little how-to video on changing your oil here:
Hope you find it useful!
February 2, 2012
  Followup from the Pelican Staff: - Nick at Pelican Parts  
kmgator Comments: I've changed the oil and filter numerous times on my 2003 boxster. This time the new rubber gasket on the oil filter housing is leaking oil. When the car is started the gasket has a slight bulge and leaks. I replaced the gasket with the same result. 1st time seeing this problem???
December 29, 2011
  Followup from the Pelican Staff: Odd, I haven't heard of this before. There might be a piece of debris stuck in the oil filter area. You also might want to make sure that the plastic housing isn't dented or damaged. - Wayne at Pelican Parts  
type s Comments: Thanks for all the info about boxer teck cafe very kind of Wayne at pelican. Best knolige on internet
December 11, 2011
  Followup from the Pelican Staff: No sweat! - Wayne at Pelican Parts  
Ronald Regan Comments: Porsche boxer I topped up the engine oil with 1/2 litre when the car was not running now it will not start.
Do you know why please
November 2, 2011
  Followup from the Pelican Staff: Hmm, it could be a number of things. The most likely in my opinion would be that the oil cap is not attached firmly, although I don't think that would cause it to not start. If you can't get it started, be sure to pull the fuel injection trouble codes (OBD codes) to see what the computer is trying to tell you. - Wayne at Pelican Parts  
alleycat Comments: What is the best oil to use on my 2004 Boxster "s" when it is been driven from March - October in Minnesota.
August 26, 2011
  Followup from the Pelican Staff: I like oils with higher-zinc content, as these help reduce engine camshaft wear. There's a billion debates going on over the usefulness / harmfulness of zinc residue on catalytic converters, but I haven't been convinced yet of their bad qualities. For summer months, I recommend a slightly heavier oil to help keep temps down, say a 20-wt oil, is typically what I run in my cars over these months. Porsche recommends Mobil-1 at thinner viscosities, but I'm not completely sold on that either. Their recommendations for oil changes are far too high - change the oil every 3000 miles or so to save your IMS bearing. - Wayne at Pelican Parts  
Robert Comments: Great article, thanks.

Do Boxsters have high oil flow requirement that would not be met by a proper conventional oil filter used in conjunction with the filter adapter Pelican sells? Interested in purchasing, but do want to starve the engine and cause damage.
August 4, 2011
  Followup from the Pelican Staff: I think the system used on the Boxster is not terribly good and installed there probably for ease of access and overall cost (as well as environmental concerns?). These screw-on adapters are very good and I run one in my car. - Wayne at Pelican Parts  
Bgantt Comments: I was thinking about buying a used 2006 Porsche Boxster from a private owner & was wondering what should I inspect or listen for prior 2 buying it & on the test drive. I was also wondering about how much basic maintenance like oil changes & tune ups, etc. would cost. Thanks.
July 30, 2011
  Followup from the Pelican Staff: Gosh there are a ton of things to consider. I should probably write an article on this, but in the meantime I will copy this question to the forums where others can chime in with their opinions. - Wayne at Pelican Parts  
franco Comments: In the morning my boxster shifts a little notch y.
After about 15 miles it shifts very smooth.
I am using Redline 70/90w
Should I change the gear oil to something else.
It has about 10k on it.
July 26, 2011
  Followup from the Pelican Staff: I would try the Mobil-1 synthetic that I believe Porsche recommends. Everyone seems to have a different experience with transmission fluids, it's difficult to determine what is good for one person or another. Still, the synthetics seems to work well. - Wayne at Pelican Parts  
franco Comments: Is their a better oil cooler than the stock unit.
Like changing to the boxster S oil cooler
July 26, 2011
  Followup from the Pelican Staff: Check out Figure 28 of this project:

It shows the 996 oil cooler installed in place of the smaller Boxster unit. It should fit without any major issues.

- Wayne at Pelican Parts
larry Comments: is there a better motor oil for my 2004 boxter s than mobil 1. i typically change oil and filter every 1.5 years with about 5k miles
May 26, 2011
  Followup from the Pelican Staff: I personally like Mobil 1. - Nick at Pelican Parts  
Coatesy Comments: While checking the coolant level on my 2007 Boxster S I was distracted and stupidly put water into the oil top up rather than the coolant top up. Luckily I did not start the car. Is it just a matter of draining and refilling with fresh oil? Any help would be appreciated
May 7, 2011
  Followup from the Pelican Staff: Hmm, good thing you caught this. Mixing water and oil is never a good thing, but it does happen when coolant mixes in the engine, and if you don't run the engine, it's not super life-threatening to the engine. Here's what I would do if it were my car. I would drain all of the oil out of the car and the oil filter asap. Then I would refill the engine with regular off the shelf/cheap oil. Then I would run the car for about two minutes, and empty the oil again. Then I would repeat the fill / empty procedure another time, checking the oil as it comes out for signs of water in the oil. If it looked good after the second time, then I would refill with the standard oil that you would use (synthetic?). - Wayne at Pelican Parts  
damo82 Comments: Creamy yellow gunk on oil filler cap in boot when car cold. Is this bad? Car's been fine last 35000 miles.
April 19, 2011
  Followup from the Pelican Staff: This could be moisture in the engine. Not sure what vehicle you have, but if you have an AOS, check it. - Nick at Pelican Parts  
Mike Comments: How do you check the oil level in 2009 boxster s? And what is the oil capacity at filter change?

Many thanks in advance
April 9, 2011
  Followup from the Pelican Staff: There is no dipstick in the later-model (2005-) Boxsters. Therefore you need to depend upon the electronic gauge that is on your dashboard (see the owner's manual). The oil change capacity should be a little more than 5 quarts or so. - Wayne at Pelican Parts  
Dennis Comments: What is the proper way to reset the Porsche Cayman 2010 dash's service reminder which is telling me how many days left for me to get its' yearly service?
April 6, 2011
  Followup from the Pelican Staff: I think at this point, the only way to do that is with the factory computer, or perhaps with the latest version of the Durametric diagnostic tool. - Wayne at Pelican Parts  
Jiju mon Comments: hi dear, i need to change my Porsche Boxster engine oil. how many litters of oil i should buy and car is 2000 model.
March 5, 2011
  Followup from the Pelican Staff: I have a more detailed article on this here:

You need about 7-9 quarts of oil - I typically just buy a case of 12 to make sure that I have enough at oil change time. - Wayne at Pelican Parts
rose986 Comments: what grade oil do you recommend for north Florida? I have a factory replacement 2.7 and want to start changing my own oil. had the dreaded IMS failure and want to protect against a repeat!
February 9, 2011
  Followup from the Pelican Staff: I like to run thicker oils full year in the hotter climates. Something like a 20 or 15 weight would be fine. Or, simply go with the factory recommendations. The one thing I would be sure to do is to make sure that you change the oil every 3000-5000 miles max. The newer oils don't have the same amount of ZDDP anti-wear components in them, and cause premature wear (which may contribute to the infamous IMS problem). - Wayne at Pelican Parts  
Jim Comments: I recently did an oil change on my '02 Boxster and installed a new drain plug and crush ring purchased from Pelican Parts. Looking under the car a few weeks later I've noticed the drain plug is a little wet with oil. Is this normal? I've torqued the plug the the recommended 37ftlb. Is there a difference which side of the crush washer faces the pan?
February 1, 2011
  Followup from the Pelican Staff: Nope, there's no difference in which way the washer should go. It could be that a previous owner or shop scratched the surface of the case a bit when changing the oil. It also could be that the plug has worked it's way loose slightly after some heat cycles. I would put the torque wrench on it again and make sure it's tightened up to the specified torque value. If it doesn't turn when retightening it up, then just snug it up a little bit more. Unless you put the grip-of-death on the plug, you're not likely to strip it out. - Wayne at Pelican Parts  
JJ Comments: I have 2001 Boxter with 34000 miles,and only drive IT on weekend. Last July, I changed oil,and only put 400 miles on my car. Since I do not drive my car often. How often I should change my oil every six month,also How often should I do Coolant flush or Brake flush.
Happy New Year
December 31, 2010
  Followup from the Pelican Staff: I typically say about every 3000-5000 miles, or about once a year. You can probably go 2-3 years if you only put a few miles on it - the oil is fine in your engine and it's not going to degrade or deteriorate by itself. What concerns me most these days is oil contamination - from gas and water in the oil. I'm not 100% sure how age affects these factors though, so I typically recommend people err on the safer side.

As for coolant and brake fluid, I like coolant changes every two years, or every 25K miles. Brake fluid can be longer, I typically recommend around 40K-60K depending upon the environment and how the car has been driven. - Wayne at Pelican Parts
franco Comments: Wayne what oil should I use I have 98,000 on my 1999 boxter
Right now I am using Castrol syntec 5w 40
December 13, 2010
  Followup from the Pelican Staff: I've used Castrol before, it's pretty good. I like to go with a heavier weight oil in the summer, and a lighter weight oil in the winter. More important than the type of oil though - I would be sure to keep oil changes to about 3,000 miles (5,000 max). - Wayne at Pelican Parts  
jimbo659 Comments: I live in seattle Wa what Oill should i use
December 4, 2010
  Followup from the Pelican Staff: For climates like yours, I like a heavier 20wt oil in the summer and a lighter 5wt oil in the winter. That keeps the temps down in the summer, and prevents too much high oil pressure in the winter months. - Wayne at Pelican Parts  
sobamaflyer Comments: Is there a user input way to reset the Maintenance Indicator Oil Change on the dash in an 2010 Boxster? I just completed an oil change but find no hints how to reset it.
November 10, 2010
  Followup from the Pelican Staff: I think that this requires the dealer tool for the 2010 cars, unfortunately. - Wayne at Pelican Parts  
Gabe Comments: my 2000 boxster clutch pedal gets stuck when fulling engaged to the floor I have to pop it out with my shoe in order to change gears. I refilled the break fluid but no change. What is the cause of this?
October 21, 2010
  Followup from the Pelican Staff: If there is a leak in the master cylinder or the slave cylinder (internal leak), then you will get this behavior. I would replace the slave first, and then replace the master cylinder if replacing the slave doesn't first fix the problem. - Wayne at Pelican Parts  
Jim Comments: Thank you for an excellent article. I just purchased a used, 2000, porche boxster S about a week ago and I'm stumbling through the care and feeding process. I appreciate the detail you provided and was especially interested in your last statement about looking at the "oil level gauge". I have yet to receive my manual, it is on order, but I'll look for it on the dash. Thanks again!
October 12, 2010
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
manitobadave Comments: The LN engineering adapter in your catalogue appears only to be available for the Boxster up to 2004. Is this correct?
October 6, 2010
  Followup from the Pelican Staff: Dave, the LN Spin-On Oil Filter Adapter fits: 986 (1997-04), 987 (2005-08), Cayman (2006-08), 996 (1999-04), 997 (2005-08)- Scott at Pelican Parts  
Inkpen Comments: I accidentaly put 3 extra litres into my porsche 2006 boxster, thought the sight tube was for oil!!!...will it hurt the engine if I don't drain out the excess??
August 31, 2010
  Followup from the Pelican Staff: Yes, you should drain out the excess oil. It might not do any damage, but you will have oil sloshing around in areas where it shouldn't be. - Wayne at Pelican Parts  
jack mehoff Comments: eh i needa oil change but i want to do it myself.. is it complicated to do? or am i better off spending more money for labor and have dealer do it? websites with instructions would be chill.
August 23, 2010
  Followup from the Pelican Staff: Hi there. You might want to check this article out: - Wayne at Pelican Parts  
Kyle Ken Comments: Will craftsman universal oil filter wrench work on the porsche boxster mine is 1998 ??
June 7, 2010
  Followup from the Pelican Staff: There are a few universal wrenches that might work, but it's very difficult to get the leverage that you need to remove the filter housing. I strongly recommend purchasing the factory tool (available from Pelican here: as it makes the job much easier. - Wayne at Pelican Parts  
JoeP Comments: Did my firt oil change on my 2005 Boxster S. Noted that it took 9 QTs or oil used Mobil 1, 0W-40. However, noticed on my bills from Porsche, when they did oil changes, they charged me for 10 Qts of oil. Seems a bit fradulent doesn't it. Additionally, does the system hold about a quart of oil that doesn't come out during draining.
May 18, 2010
  Followup from the Pelican Staff: They probably have it in the computer that way. 9-10 quarts is about what it takes depending upon whether it's full or not when you empty it. Maybe a half a quart stays in the engine when you empty it. I have another article on changing the oil here too: - Wayne at Pelican Parts  
foley1277 Comments: I believe my oil drain plug is leaking slightly, is this common? Where can I purchase a new one? I tried auto zone with no luck and I am on vacation so I am an hour away from a dealer. Is it bad to run the car with the slight leak? Anything else I should replace down there? thank you
January 17, 2010
  Followup from the Pelican Staff: This is not normal and you should fix it. Give our parts specialists a call at 1-888-280-7799. They can help you find the right drain plug. - Nick at Pelican Parts  
sous Comments: my 2000 boxster S clutch is in question. The clutch seems to travel all the way to what seems to be the end of its travel before it will shift is this acceptable, can I trouble shoot to find a reason? THANKS
November 22, 2009
  Followup from the Pelican Staff: When the clutch wears down, it will begin to exhibit some symptoms similar to this. However, you may also be experiencing an issue with the clutch hydraulics. If you don't want to change your clutch at this time, I would suggest that you simply rebleed your clutch hydraulic system. Check out my article in the tech articles section which covers this procedure. - Wayne at Pelican Parts  
BILL Comments: i hear these horror stories about a certain shaft that goes bad and destroys the engine on early boxsters. ive got 112700 on my 97 with not one problem. .are these running the engine at red line every chance they get,running junk oil or what. engines just dont self destruct without a little help!
November 2, 2009
  Followup from the Pelican Staff: Yes, I have an article discussing this right here: - Wayne at Pelican Parts  
October 31, 2009
  Followup from the Pelican Staff: It depends. Some of these motors run for a very long time, and some puke at about 120K. There's a new fix for the intermediate shaft bearing out that I will be documenting in my new book, and also in a tech article on this site. - Wayne at Pelican Parts  
kelly Comments: on a Porsche 944 1983 how much would it cost to change the oil?
October 31, 2009
  Followup from the Pelican Staff: Not too much, typically the cost of the oil and a filter is $20. - Wayne at Pelican Parts  
Buck Comments: Can anyone tell me why my 2.7 Boxster gets much better gas milage if i manually shift the tip tronic while keeping the rpm's a little higher in each gear than the automatic mode would? thanks, BILLBuck
October 30, 2009
  Followup from the Pelican Staff: It shouldn't. I would think that maybe you are unconsciously driving it slightly differently when you are using the manual controls? - Wayne at Pelican Parts  
tricky Ricky Comments: Hi it not advisable to drain the oil cooler as well as the sump?
October 15, 2009
  Followup from the Pelican Staff: What oil cooler? There is no external oil cooler on the Boxster. The coolers in the front are water coolers (radiators). - Wayne at Pelican Parts  
jp Comments: Engine Flush - is it worth doing my Boxster has 65000 miles on it?
September 16, 2009
  Followup from the Pelican Staff: Engine Flush - I'm not sure what that means exactly? - Wayne at Pelican Parts  
monamie Comments: Is the only drain plug removal tool the $31 1/2 drive tool I see in your catalog? It seems like overkill. I know this is the wrong forum, but does the oil sump pan require a gasket. I've looked all over and can't find one. My "new" 996 has a crack in the pan and will have to be replaced. Thanks for your help. Ron
July 15, 2009
  Followup from the Pelican Staff: The big tool is required to remove the oil filter housing from the bottom of the car. The smaller drive tool which you might be referring to is used to remove the bottom transmission drain plug. The bottom sump just uses some sealant - no gasket. I have an article coming out on this very soon. For your 996, simply get the new pan (we sell it), and bolt it in place using some light gasket sealant. Also consider the under-engine protection plate we sell. - Wayne at Pelican Parts  
Flip Comments: Is this procedure good for the 2005-2009 Porsche boxster? Plan on buying a used one but heard the oil change was expensive & had to remove pans on bottom of engine. Not true-correct?
July 3, 2009
  Followup from the Pelican Staff: Yes, the procedure should be almost identically the same for the 986, 987, 996 and 997 (you might have to remove a lower engine protection panel on the 996/997 if someone has installed one in place). The 2005-2009 Boxsters are indeed nearly identical to the early ones and this procedure should do the trick for you. I recommend changing the oil about every 3000-4000 miles because these engines tend to allow the oil to become contaminated with fuel, which can possible lead to premature intermediate shaft bearing (IMS) failure. Change your oil often - don't believe the factory manual! - Wayne at Pelican Parts  
jc Comments: Can this instruction be used for 2000 porsche Carrera?
June 28, 2009
  Followup from the Pelican Staff: Yes indeed, the procedure is almost identical. I will have a 996-specific article coming soon. - Wayne at Pelican Parts  
Hammer Comments: Why do you change oil at 5000 vice 15000 as recomended by Porsche?
June 3, 2009
  Followup from the Pelican Staff: Absolutely. I recommend about 3000-5000. I have another article coming out on this that explains my opinions on the subject. 5000 minimum! - Wayne at Pelican Parts  
Magus for Smart Comments: How do we reset the SRI?
May 24, 2009
  Followup from the Pelican Staff: To reset service indicators, you can use the Durametric tool, or a factory PST-2. - Wayne at Pelican Parts  

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