33 32 091 Replacing a guide arm
M5, Security :
To ensure a correct bolt connection, check before installing the guide arm whether the seat for the guide arm matches the seat for the wheel carrier.
For reasons of driving dynamics, the guide arms may only be replaced in pairs!
Variants:
- M10 journal: Conical seat
- M12 journal: Ball seat
Necessary preliminary tasks:
- Remove rear wheel.
Unscrew nut (1).
Remove guide arm from wheel carrier.
Installation:
Keep guide arm to wheel carrier connection clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 33 32 4AZ . See 32 CONTROL ARMS AND STRUT .
Mark position of eccentric screw (3) to rear axle carrier. Release nut (1) and remove eccentric washer (2).
Pull out eccentric screw (3) and remove guide arm.
Installation:
Note insertion direction of eccentric screw.
Align eccentric screw by means of marking to rear axle carrier.
Refit eccentric washer.
Replace self-locking nut.
Tighten bolt connection in normal position . See 32 00... MOVING VEHICLE INTO NORMAL POSITION .
Tightening torque 33 32 5AZ . See 32 CONTROL ARMS AND STRUT .
After installation:
- Perform chassis alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION or 32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD .