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Parking Brake Strut Replacement
 
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Pelican Technical Article:

Parking Brake Strut Replacement

Jared Fenton

Time:

15 min

Tab:

$30

Talent:

*

Tools:

Screwdriver or small pry bar

Applicable Models:

Porsche 955 Cayenne (2004-10)
Porsche 955 Cayenne GTS (2008-10)
Porsche 955 Cayenne S (2003-10)
Porsche 955 Cayenne Turbo (2003-10)
Porsche 955 Cayenne Turbo S (2006-10)

Parts Required:

Shift gate trim piece

Hot Tip:

Lubricate ball pivots before installing new strut

Performance Gain:

Repairs manual shift mode for the Tiptronic

Complementary Modification:

Adjust parking brake

Are you constantly receiving a "release parking brake" message on your Cayenne even after releasing the parking brake? The parking brake mechanism on the Cayenne uses a small hydraulic strut to extend the lever outward when released. When this strut wears out, it does not push the lever out enough to trigger the switch for the parking brake.

The good news is that the fix is very easy and should not take more than 15 minutes to fix. Begin by releasing the parking brake lever with the engine off and the transmission in park. Next, look at the outboard side of the lever; you'll see the strut mounted on two ball pivots.

Use a screwdriver to gently pry the old strut off both the pedal pivot and also the top ball pivot. Once the strut is removed, lubricate both pivots with a small dab of lithium grease. Note the orientation of the strut. The larger diameter side faces upward. Now carefully push the upper side of the strut onto the upper ball pivot. It should press on with no resistance. Now you may have to compress the lower end of the strut lightly to fit the end onto the lower ball pivot.

Now, check operation of the strut and you will see that the message will not come on with the brake released.

Shown here is the strut attached to the parking brake lever assembly (green arrow).
Figure 1

Shown here is the strut attached to the parking brake lever assembly (green arrow).

Here are the two attachment points for the strut at the top and bottom of the level assembly (green arrows).
Figure 2

Here are the two attachment points for the strut at the top and bottom of the level assembly (green arrows). Use a screwdriver to pry the strut ends off the ball pivots on each side.

Here is the upper ball pivot on the parking brake lever assembly (green arrow).
Figure 3

Here is the upper ball pivot on the parking brake lever assembly (green arrow). It's a good idea to lubricate the pivot points with a bit of grease before installing the new strut.

Here is the lower ball pivot on the backside of the pedal (green arrow).
Figure 4

Here is the lower ball pivot on the backside of the pedal (green arrow). As before, put a little grease on the pivot before installing the new strut.

Now install the new strut on the pivots.
Figure 5

Now install the new strut on the pivots. Start by pushing the strut onto the top pivot first. You may need to compress the strut slightly to press it on to the lower pivot

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Comments and Suggestions:
Nick Comments: My parking brake is ACTUALLY locked on the back tires and wont release when I pull lever. Is there a quick solution!!???! Helpp 2004 porsche cayenne
July 16, 2015
  Followup from the Pelican Staff: If the cable doesn't release with the foot pedal, a cable may be seized or the pedal is jammed. You can try to detach or separate the cables to see which one has failed. - Nick at Pelican Parts  

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