33 31 503 Lowering/raising rear axle support (universal lifter)
Special tools required:
- 31 5 250
- 00 2 030
- 31 5 256
- 31 5 253
- 33 5 206
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.
Attention!
Before lowering/removing rear axle support:
Observe SAFETY INSTRUCTIONS for raising the vehicle
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.
Necessary preliminary work:
- Remove the REAR WHEELS .
- Remove the EXHAUST SYSTEM .
- If necessary, remove rear tension struts.
- Remove propeller shaft at final drive.
- Remove the CAMBER ARM COVER .
- Remove the TANK COVER .
- Remove the COIL SPRINGS .
- Remove the BOTH BRAKE-CALIPER SUPPORTS and tie up.
- Release the SHOCK ABSORBER FROM CAMBER ARM .
- Only on ride-height sensor at left: Disconnect plug connection and lay cable back toward vehicle.
Release wheel arch panel in rear area.
Unlock clamps, open cover and detach connector. (Left side identical.)
Detach Bowden cable (1) of parking brake from rear axle support.
Engage special tool 31 5 250 with a 2nd person helping completely on workshop jack 00 2 030.
Insert special tools 31 5 256 in telescopic supports of a profile rail pair.
Insert special tools 31 5 253 in telescopic supports of other profile rail pair.
Lash rear axle support with tensioning strap 33 5 206 to special tool 31 5 250.
The mounting points on the right side are shown.
Align special tools 31 5 250, 31 5 253 and 31 5 256 with rear axle support.
Support rear axle support by operating workshop jack 00 2 030.
Attention!
The center of gravity of the rear axle must be positioned centrally over the workshop jack.
Remove the COMPRESSION STRUTS (1).
Release screws (2) and remove with thrust washer. (F34, F36-see next graphic)
Tightening torque, refer to: 33 33 1AZ .
Lower rear axle support.
Installation note:
Check threads for damage; if necessary, repair with HELICOIL THREAD INSERTS .
Screw in all screws, first tightening the COMPRESSION STRUTS (1) and then screws (2).
F34 and F36 only:
Loosen screws (2).
Tightening torque, refer to: 33 33 3AZ .
Loosen screw (1).
Tightening torque, refer to: 33 33 1AZ .
Remove rear compression strut (3).