Installing upper control 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).
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 .
- Installation is performed in reverse order.
Observe specified tightening torques:
Upper control arm to rear axle housing: Initial tightening 70 Nm (52 ftlb.) Final tightening +180°
Upper control arm to wheel bearing housing: Tightening torque 95 Nm (70 ftlb.)