Installing Rear Anti-Roll Bar

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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
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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.

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.) .
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
Courtesy of PORSCHE CARS NORTH AMERICA, INC.