33 31 011 Replacing Rear Axle Carrier

33 31 011 Replacing rear axle carrier

Warning!
Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the vehicle from slipping off or tilting down.

Necessary preliminary tasks:
^ Remove rear differential
^ Remove rear axle carrier and if necessary with other workers assisting set down on a suitable surface





Remove brake lines.

Remove stabilizer bar.

Version with Dynamic Drive: Disconnect control lines for oscillating motor of rear axle from rear axle carrier.

Remove actuating unit (EMF).

Remove both brake discs.

Remove ride-height sensor(s).





Remove both swinging arms on rear axle carrier.

Remove both control arms on rear axle carrier.

Remove both guide arms on rear axle carrier.

Remove both wheel carriers with output shaft, swinging arm and suspension arms.





Take rear axle carrier down from special tool with assistance of a 2nd person and set down on a suitable surface.

Installation:
Use previous rear axle carrier as a template for modifying or replacing small parts.

After installation:
^ Activate and fill air suspension system
^ Carry out ride-height-calibration
^ Bleed braking system
^ Perform chassis alignment check
^ If necessary, carry out initial Dynamic Drive operation