33 31 000 Removing and installing complete rear axle support
Special tools required:
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.
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.
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.
Necessary preliminary tasks:
- Remove REAR WHEELS .
- Remove COMPLETE EXHAUST SYSTEM with heat shield at center.
- Remove UNDERBODY COVER at right and left.
- Detach BOWDEN CABLES FOR PARKING BRAKE at rear axle support.
The mounting points on the left side are shown:
Align special tools 31 5 255 , 31 5 251 with the rear axle support.
Support rear axle support by operating workshop jack 00 2 030 .
Use tensioning strap 33 5 206 to tie the rear axle support to special tool 31 5 251 .
Support trailing arm from underneath using a workshop jack. (right-hand side is identical).
Release screws (1).
Tightening torque 33 32 1AZ .
Installation note:
Replace self-locking nut.
Tighten in NORMAL POSITION .
Mark position of eccentric adjustment washer to trailing arm to simplify subsequent adjustment of rear axle.
Release screw (2).
Tightening torque 33 32 2AZ .
Installation note:
Refit eccentric adjustment washer.
Tighten in NORMAL POSITION .
Release left and right screws (1).
Tightening torque 33 55 3AZ
Secure stabilizer against falling out.
Installation note:
Keep rubber mount and stabilizer clean and free from oil and grease.
Release screws (2) at rear axle support (1). (right-hand side is identical).
Tightening torque 33 31 1AZ .
Lower rear axle support.
Installation note:
Check threads for damage; if necessary, repair with HELICOIL THREAD INSERTS .
After installation:
- Perform wheel alignment. See CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .