Installing Rear Anti-Roll Bar

Information 

• All screws and threaded joints on the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels, or the wheel suspension is raised with a universal vehicle lift. Dimension -1- , from lower edge of wing to center of axle corresponds to vehicle position. The current height can be found in →  4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT  . Always observe the following points! 
  Fig 1: Checking Dimension Between Centre Of Wheel To Lower Edge Of Wing

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
• On vehicles with air springs, the respective air spring must be bled using the Porsche System Tester. → 4301IN BLEEDING AND FILLING THE LEVELLING SYSTEM
• Vehicle position can be set by carefully raising the relevant wheel bearing housing. 
• Use an intermediate layer (hard rubber)! Do not damage the brake cover plate. 
  Fig 2: Example Of Lifting Wheel Carrier Without Wheel And Brake Disc

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• Screws and nuts are Geomet-coated and must not be greased. 
• Grease the splines of the drive shaft slightly with aluminum paste Optimoly TA. 
• Drive shafts must not be left hanging from the joint stop! Tie them up. 

1. The anti-roll bar is installed in reverse order to removal. Observe tightening torques:

   Fastening screw securing anti-roll bar clamp to chassis subframe Tightening torque 50 Nm (37 ftlb.)  .

   Fastening screw securing anti-roll bar to suspension/stabilizer Tightening torque 65 Nm (48 ftlb.)  .

2. When tightening the anti-roll-bar mounts, pay close attention to the installation position markings -arrow-  .
   Fig 3: Example Of Marking Installation Position Of Anti-Roll-Bar Mounts

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