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Third Brake Light Replacement
 
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Pelican Technical Article:

Third Brake Light Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$115

Talent:

**

Tools:

T20/T30 drivers, small pick, stepstool

Applicable Models:

Porsche 955 Cayenne (2004-08)
Porsche 955 Cayenne GTS (2008)
Porsche 955 Cayenne S (2003-08)
Porsche 955 Cayenne Turbo (2003-08)
Porsche 955 Cayenne Turbo S (2006)

Parts Required:

Third Brake Light Assembly

Hot Tip:

Have a helper when lifting the spoiler cover off

Performance Gain:

Improved collision avoidance from behind

Complementary Modification:

Replace main brake light bulbs.

Sooner or later, the third brake light assembly will burn out. Its just a fact of life. The third brake light on the Porsche Cayenne differs from your typical light bulb replacement. It is comprised of light emitting diodes also known as LEDs. When one or more of the LEDs goes bad, you have to replace the entire light bar assembly.

Replacement is super easy and should only take about an hour. In this article, I'll go over the steps involved with changing out the assembly.

Begin by opening the rear glass hatch and look up on the inside.
Figure 1

Begin by opening the rear glass hatch and look up on the inside. You'll want to use a small pick to carefully pull out the trim plugs (green arrows) shown here.

Remove each T30 bolt (green arrow) under all three of the trim plugs and carefully close the rear glass hatch.
Figure 2

Remove each T30 bolt (green arrow) under all three of the trim plugs and carefully close the rear glass hatch. You're going to remove the outer cover from the top.

Now carefully lift the spoiler cover up and off the rear hatch.
Figure 3

Now carefully lift the spoiler cover up and off the rear hatch. You may want to use a stepstool if you're a shorter fellow. You may also want to have a helper nearby. The cover isn't heavy, but a bit awkward to remove being the width of the car.

The third brake light assembly is held in place by two T20 Torx screws (green arrows).
Figure 4

The third brake light assembly is held in place by two T20 Torx screws (green arrows). Carefully pull the electrical connectors (yellow arrows) up and off the mounting clips. You need to move these slightly to pull the brake light assembly out.

Once the brake light assembly is free, carefully pull the water hose connector (green arrow) up and off the assembly.
Figure 5

Once the brake light assembly is free, carefully pull the water hose connector (green arrow) up and off the assembly. This hose feeds the jet (yellow arrow) that cleans the rear window.

Now push the tab (green arrow) and pull the electrical connector off the brake light assembly.
Figure 6

Now push the tab (green arrow) and pull the electrical connector off the brake light assembly. Installing the new brake light assembly is just the opposite of removal.

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Comments and Suggestions:
Larry Comments: Great instructions for Cayenne up to 2010. How about for a 2013 Cayenne GTS. Any assistance would be appreciated. Thanks
August 16, 2016
  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
 
webberman Comments: Forgot to add. The snap that you must pry the spoiler up from is marked by the red arrow in my previous comment. The locating pins are marked by the yellow arrows.
June 6, 2016
  Followup from the Pelican Staff: Thanks a ton for taking the time to share all this info with us. Appreciate it!! - Nick at Pelican Parts  
webberman Comments: Here is a pick of the locating pins and snaps on the 2009 Cayenne so you have to pull up and back towards you to un snap it and slide it back towards you off the pins and away from the vehicle.
June 6, 2016
  Followup from the Pelican Staff: Thanks - Nick at Pelican Parts  
webberman Comments: Thanks for this tech article. I just did this procedure on my 2009 Cayenne and it comes apart differently so this article needs to be updated.
1. As the article says, open the glass hatch and remove the 3 plastic caps and 3 large T30 torx screws.
2. not in the article Remove the rubber covers on either side of the spoiler to reveal an addtional hidden T20 torx screw. This means you must remove a total of 5 screws.
3. not in the article Close the glass hatch and with your fingers grasp the edges of the spoiler closest to the front of the car and pry upwards. There are several plastic snaps that hold that front most edge down along with 5 plastic locating pins along the back. Once the front snaps pop, rotate the spoiler back towards you opposite of what the photo shows by about 5 to 10 degrees and then it will slide off towards the back of the vehicle.
June 6, 2016
  Followup from the Pelican Staff: Thanks for sharing your installation process and experience. These type of comments add so much to the Pelican tech community.
- Nick at Pelican Parts
 
Stix Comments: Does anyone have the procedure for a 2011+? I assume it is similar but there are no "plugs" in the interior trim piece.

Thanks in advance for your assistance!
February 1, 2016
  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
 
mark Comments: and there's no part for third brake light?
October 7, 2015
  Followup from the Pelican Staff: We can get the part for you. Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need. - Nick at Pelican Parts  
Mark Comments: on a 2008/9 it rotates up nothing like this
October 7, 2015
  Followup from the Pelican Staff: Ok, I will have the article updated. - Nick at Pelican Parts  

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