33 31 011 Replacing rear axle support
Danger of injury!
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle support. This prevents the vehicle from tilting or sliding off the vehicle hoist!
When supporting components, make sure that:
- the vehicle can no longer be raised or lowered
- the vehicle does not lift off the locating plates on the vehicle hoist.
Observe SAFETY INFORMATION for raising the vehicle
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.
Necessary preliminary tasks:
- Remove REAR AXLE FINAL DRIVE .
- Remove REAR AXLE SUPPORT .
Remove anti-roll bar. See REMOVING REAR ANTI-ROLL BAR or REMOVING REAR ACTIVE ANTI-ROLL BAR .
Remove ACTUATOR UNIT (PARKING BRAKE) .
Remove RIDE HEIGHT SENSOR(S) .
If necessary, remove PRESSURE LINE FOR ARS .
If necessary, remove INTEGRAL ACTIVE STEERING .
Remove both SWINGING ARMS ON REAR AXLE SUPPORT .
Remove both WISHBONES ON REAR AXLE SUPPORT .
Remove both TOE ARMS ON REAR AXLE SUPPORT .
Remove both wheel carriers with output shaft, swinging arm and handlebars.
Take the rear axle support off the special tool with a helper and set onto a suitable support.
Installation note:
Use previous rear axle support as a template for modifying or replacing small parts.
After installation:
- Perform wheel alignment. See ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .
- Carry out RIDE HEIGHT ADJUSTMENT .
- Adjust PARKING BRAKE
.
Additionally on vehicles with ARS:
- Perform START-UP OF ARS .
- Check line connections for leak tightness