Operation CHARM: Car repair manuals for everyone.

33 32 071 Replacing an Upper Wishbone

33 32 071 Replacing an upper wishbone





Note:
If the wishbone is detached from the rear axle support, it is necessary after reinstallation to carry out a wheel/chassis alignment check.





Necessary preliminary tasks:
^ Remove rear wheel
^ Deactivate and empty air spring system

Shown on vehicle at rear right:
Remove holders (1) from control arm.

Installation:
Replace faulty holder.





2 Lead for pulse generator

=

3 Only on right side: lead for brake pad sensor

=





Slacken nut (1).

Remove control arm (2) from wheel carrier.

Installation:
Keep control arm to wheel carrier connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 33 32 8AZ.





Slacken nut (1).

Release bolt (2) and remove control arm (3).

Installation:
Note insertion direction of screw.

Replace self-locking nut.

Tighten bolt connection in normal position.

Tightening torque 33 32 7AZ.

After installation:
^ Perform chassis alignment check