Removing and Installing Complete Rear Axle Carrier
33 31 000 - Removing and installing complete rear axle carrier
Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit
- 00 2 040 00 2 040 Basic Take-Up Fixture
- 33 4 232 33 4 230 Axle Support Set
- 33 4 233 33 4 230 Axle Support Set
Warning!
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.
Read and observe the information on load distribution in the lifting platform operating instructions.
Before lowering/removing the rear axle carrier, it is essential to place a minimum load of 100 kg in the luggage compartment to prevent the vehicle from toppling/slipping off the lifting platform!
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
Important!
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off pipe connections with plugs.
Necessary preliminary tasks:
- Remove brake disc on both sides Removing and Installing/Replacing Both Rear Brake Discs
- Disconnect handbrake cable on both sides of wheel brake Service and Repair and remove from hanging hook
- Remove propeller shaft from rear differential Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint) and tie back or remove completely if necessary
- E64 M6: Remove rear left and right tension struts 51 71 479 - Removing and installing/replacing all reinforcement struts on rear axle (M5, M6)
- E64 except M6: Remove cross strut
- 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
- If necessary, disconnect plug connection from ride-height sensor
- Remove spring strut shock absorber on both sides from wheel carrier Removing and Installing Rear Left or Right Spring Strut Shock Absorber
Warning!
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.
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 33 4 230 Axle Support Set and 33 4 232 33 4 230 Axle Support Set into corresponding mountings of special tool 00 2 040 00 2 040 Basic Take-Up Fixture.
Align special tool 00 2 040 00 2 040 Basic Take-Up Fixture to rear axle carrier.
Support rear axle carrier by raising special tool 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit.
Version with Dynamic Drive:
Disconnect pressure lines at point of separation II and seal with plugs.
Remove tension struts Replacing Left or Right Rear Axle Carrier Compression Strut.
Release screws (1) and remove stop plate (2).
Lower rear axle carrier (3).
Installation Note:
Check threads for damage; if necessary, repair with Heli-Coil(R) thread inserts Notes on Repairing Threads.
First install tension struts Replacing Left or Right Rear Axle Carrier Compression Strut and then tighten down bolts (1).
Tightening torque 33 33 3AZ Rear Axle Suspension.
After installation:
- Version with Dynamic Drive:
- Fill and bleed hydraulic system Service and Repair
- Check pipe connections for leaks
- If necessary, carry out initial Dynamic Drive operation
- Adjusting handbrake Adjustments