33 31 011 Replacing Rear Axle Support

33 31 011 Replacing rear axle support





Important!
Before removing rear axle support:
In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.
Load luggage compartment with sand bags.





Necessary preliminary work:
^ Remove rear axle support
^ Remove rear axle final drive

Remove anti-roll bar

Remove actuator unit (parking brake).

Remove ride height sensor(s).

Remove integral active front steering





Version with Dynamic Drive: Disconnect pressure lines for swivel motor of rear axle from rear axle support.





Remove both swinging arms on rear axle support.

Remove both wishbones on rear axle support.

Remove both toe arms on rear axle support.

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





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

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

After installation:





^ Activate and fill air suspension system
^ Carrying out ride height adjustment
^ Adjust parking brake (only F07)
^ Perform chassis alignment check

Version with Dynamic Drive:
^ Fill and bleed hydraulic system
^ Check line connections for tightness
^ Dynamic Drive start-up