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Torque Strut Replacement
 
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Pelican Technical Article:

Torque Strut Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$100

Talent:

**

Tools:

12mm triple square driver, 16mm wrench and deep socket,

Applicable Models:

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

Parts Required:

Torque strut

Hot Tip:

Install the new torque strut at the engine first

Performance Gain:

Smoother running engine

Complementary Modification:

Change spark plugs

The torque strut or what is usually referred to as the dog bone mount is a simple and easy repair you can perform on your own car. This mount helps to absorb the sideways rotation on the engine under load. If the rubber bushings in the torque strut are worn, it can cause vibration when driving.

Begin by removing the engine covers on the left side of the engine compartment. See our article on Engine Cover Removal for more information. Removing the cover will give you access to the mounting bracket on the chassis.

To remove the torque strut, you'll need a 12mm triple square socket and a regular 16mm socket. At the engine end of the torque strut, place the triple square socket in the front of the bolt while counter holding the 16mm nut at the rear. Once the nut is removed, push the bolt out from the strut and mounting bracket. Now remove the 16mm bolt holding the strut to the chassis. Carefully inspect the rubber inside the torque strut for any cracks or tears. If so, you'll need to replace it.

When installing the new torque support, attach it to the engine first. This will allow you some play when attaching the other end to the bracket on the body. Keep in mind that Porsche also recommends replacing the nut securing the torque support in place. Once both sides are in place, torque the fasteners to 60 Nm (44 ft/lbs.).

Remove the torque strut by holding the bolt on the engine side (yellow arrow) by using a 12mm triple square socket while removing the 16mm nut on the back (green arrow).
Figure 1

Remove the torque strut by holding the bolt on the engine side (yellow arrow) by using a 12mm triple square socket while removing the 16mm nut on the back (green arrow). Once the nut is removed, pull the bolt out from the front.

The other side of the torque strut attaches to a bracket on the chassis.
Figure 2

The other side of the torque strut attaches to a bracket on the chassis. In thisPicture, you can just see the threads of the bolt extending past the bracket (green arrow). Use a 16mm socket as shown here to remove the bolt. Now remove the torque strut.

Shown here is the torque strut removed from the car.
Figure 3

Shown here is the torque strut removed from the car. Check to see if there are any cracks or tears in the rubber sections (green arrows) if you find any, the strut should be replaced.

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Comments and Suggestions:
Chico Mann Comments: At the location where the strut attaches to the chassis, I have about 5 millimeters of play. Is this normal, or should the connection be solid?
August 28, 2016
  Followup from the Pelican Staff: Should be solid. The bolt goes through an aluminum bushing. - Nick at Pelican Parts  
blained Comments: Do you have the nut that Porsche recommends replacing along with the torque strut?
March 9, 2016
  Followup from the Pelican Staff: Pelican Parts can get it. 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
 

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