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33 31 000 Removing and Installing Complete Rear Axle Support

33 31 000 Removing and installing complete rear axle support

Special tools required:





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 wheels
^ Remove exhaust system
^ Remove propeller shaft from rear axle
^ Expose cable for emergency release up to rear axle support
^ Disconnect plug connection on actuator unit (parking brake)
^ Unclip lines for pulse sensor and brake pad wear sensor
^ If necessary, disconnect pressure lines to swivel motor at active stabilizer
^ Disconnect plug connection at both ride height sensors
^ Remove both rear shock absorbers from wheel carrier
^ Remove both brake calipers on wheel carrier and tie back





Engage special tool 31 5 251 with a 2nd person helping completely on workshop jack 00 2 030.

Insert special tools 31 5 255 in telescopic supports of a profile rail pair.

Note:
In a profile rail pair, two profile rails are connected to one another by gearing.

Insert special tools 31 5 253 in telescopic supports of other profile rail pair.





Note:

The mounting points on the left side are shown.

Align special tool 31 5 255 to opening in rear axle support.

Align special tool 31 5 253 to cross member arms on rear axle support.





Release screws (4).

Tightening torque 33 33 1AZ.

Installation note:
Arrow (1) on stop plate (2) must point in direction of travel!

Remove front compression struts (3).

Carefully lower rear axle support and remove.





After Installation note:
^ Adjusting parking brake
^ If necessary, carry out commissioning for Dynamic Drive