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 can be found in  → 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT . Always observe the following points!

  Dimension 1 - center of wheel to lower edge of wing (rear axle shown) 

• 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.

Mounting for trailing arm on wheel bearing housing 

1. Installation is performed in reverse order.

   Observe specified tightening torques:

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

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

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

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