Installing Trailing Arm - Vehicles Without Air Suspension

Installation is performed in reverse order. Pay particular attention to the following:

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Zero position (shown on rear axle as an example)

Information

Threaded joints must only be tightened in zero position to prevent warping in the bearings.
WARNING:
Wheel bearing housing raised incorrectly
- Risk of crushing
- Risk of damage to components
  1. → Wear personal protective gear.
  2. → Do not raise the suspension higher than the normal vehicle position (vehicle resting on wheels).
1. 1.1 Before tightening the trailing arm screws: Lift the wheel suspension to zero position using lifting equipment (e.g. > VAS 6931 - engine and gearbox jack ). > Zero position (shown on rear axle as an example)
2. 1.2 Align eccentric threaded joint at the markings and tighten screw securing trailing arm to rear axle housing.
  > Tightening torque 140 Nm (103 ftlb.) (103.3 ftlb.)
3. 1.3 Replace screw securing trailing arm to wheel bearing housing.
4. 1.4 Tighten screw securing trailing arm to wheel bearing housing.
  > Initial tightening 130 Nm (96 ftlb.) (95.9 ftlb.) and > Final tightening + 180 (133 ftlb.)°
5. 1.5 Replace screw securing shock absorber to trailing arm.
6. 1.6 Tighten screw securing shock absorber to trailing arm.
  > Initial tightening 70 Nm (52 ftlb.) (51.6 ftlb.) and > Final tightening + 180 (133 ftlb)°
7. 1.7 Tighten threaded joint for air line at the air spring bellows.
  > Tightening torque 3 Nm (2 ftlb.)