Installing upper trailing arm

WARNING: Wheel bearing housing raised incorrectly

Risk of crushing
Risk of damage to components

Wear personal protective gear.
Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

NOTE:

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 .

NOTE:

When fitting the upper trailing arms to the wheel bearing housing, the pins of the upper trailing arms must be pressed fully into the bores on the wheel bearing housing.

Installation is performed in reverse order.
Observe specified tightening torques:

Upper trailing arm to wheel bearing housing: Tightening torque 45 Nm (33 ftlb.)

Upper trailing arm to mounting saddle: Initial tightening 50 Nm (37 ftlb.) Final tightening +90°