33 31 011 Replacing rear axle carrier
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
Read and observe the information on permissible load distribution in the lifting platform operating instructions.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle carrier.
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 lifting platform
Necessary preliminary tasks:
- Remove rear differential
- Remove complete rear axle carrier
If necessary, remove both brake calipers with brake pad sensor (disconnect brake hose from brake line). See 34 21 745 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT BRAKE CALIPER (BREMBO) .
Remove both brake discs . See 34 21 320 REMOVING AND INSTALLING/REPLACING BOTH REAR BRAKE DISCS (BREMBO) .
Remove both brake lines from rear axle carrier.
Remove stabilizer bar (remove stabilizer links from wheel carrier).
Remove ride-height sensor with holder from rear axle carrier . See 37 14 512 REPLACING REAR RIDE-HEIGHT SENSOR .
Remove both camber arms on rear axle carrier .
Remove both toe arms on rear axle carrier .
Remove both trailing arms on rear axle carrier .
Remove both guide arms on rear axle carrier .
Remove both control arms on rear axle carrier .
Remove both wheel carriers with output shaft and all arms from rear axle carrier.
If necessary, unclip stoneguard (1) on left and right in marked areas and remove.
Installation:
Replace damaged stoneguard.
After installation:
- Bleed braking system . See 34 00 025 REPLACING FLUID IN ABS/ASC+T BRAKE SYSTEM .
- Adjust handbrake if the setting of the adjustment unit was changed during disengagement and engagement of the handbrake Bowden cables. See 34 10 014 ADJUSTING HANDBRAKE .
- Perform chassis alignment check . See ELECTRONIC CHASSIS ALIGNMENT .