33 31 503 Lowering/raising rear axle carrier
Special tools required:
- 00 2 030
- 00 2 040
- 33 3 274
- 33 4 232
- 33 4 233 See REAR AXLE - SPECIAL TOOLS .
Necessary preliminary tasks:
- Remove rear wheels
- Remove exhaust system. See EXHAUST SYSTEM - REPAIR INSTRUCTIONS
- M6: Remove tension strut.
- Partially detach heat insulation at rear
- E64: Remove cross strut
- Remove handbrake Bowden cable on both sides from hanging hook
- Detach plug connection for pulse generator on both sides and expose line up to control arm
- Detach plug connection for brake pad wear sensor on right and expose line up to control arm
- Disconnect plug connection from ride-height sensor
- Remove spring strut shock absorber on both sides from wheel carrier . See 33 52 100 Removing and installing rear left or right spring strut shock absorber .
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
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
Insert special tools 33 4 233 and 33 4 232 into corresponding mountings of special tool 00 2 040 .
Align special tool 00 2 040 to rear axle carrier.
If necessary, lower special tool 33 3 274 .
Support rear axle carrier by raising special tool 00 2 030 .
Version with Dynamic Drive:
Partially detach pressure lines for rear axle oscillating motor on floorpan and remove right bracket from rear axle carrier. See 37 13 100 REMOVING AND INSTALLING/REPLACING PRESSURE LINES FOR OSCILLATING MOTOR/FRONT AXLE .
Remove tension struts .
Release screws (1) and remove stop plate (2).
Lower rear axle carrier (3).
Installation:
Check threads for damage; if necessary, repair with Helicoil thread inserts .
First install tension struts and then tighten down bolts (1).
Tightening torque 33 33 3AZ , see 33-AXLE MOUNTING .