Installing lower trailing arm

→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

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 values can be found in 

→ 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT .

Pay particular attention to the following points!

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

• Screws and nuts are Geomet-coated and must not be greased  .

Information 

Tighten the threaded joint on the wheel bearing housing only at the fastening screw -1-.  Counter at the nut -3-  while doing so.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Installation is performed in reverse order.

   Observe specified tightening torques:

   Lower trailing arm to rear axle housing: Initial tightening 70 Nm (52 ft. lb.) Final tightening +180° 

   Lower trailing arm to wheel bearing housing: Initial tightening 120 Nm (89 ft. lb.) Final tightening +360° 

   Connecting link to lower trailing arm: Initial tightening 40 Nm (30 ft. lb.) Final tightening +90° 

   Level sensor to lower trailing arm: Tightening torque 9 Nm (6.5 ft. lb.)