31 12 000 Removing and Installing/Replacing Left or Right Control Arm
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IMPORTANT:
Observe safety instructions
for raising the vehicle. See 00..... LIFTING VEHICLE WITH A LIFTING PLATFORM
NOTE:
If the control arm is detached from the front axle carrier, it is necessary after reinstallation to carry out a wheel/chassis alignment check.
Necessary preliminary tasks:
- Remove front wheel . See 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL
- If necessary, remove steering gear cover at side. See POWER STEERING GEAR
Release nut (jointed rod on control arm).
Remove jointed rod (1) from control arm.
If necessary, disconnect plug connection (2) from ride-height sensor
Release nut (1) and remove screw towards rear.
Only on right side: Remove bracket with ride level sensor.
Installation:
Replace self-locking nut.
Tightening torque 31 12 2AZ. See 31 12 CONTROL ARMS AND STRUTS
Release nut (2); if necessary, grip at Torx socket.
Take off control arm.
Installation:
Keep journal on ball head and bushing in swivel bearing clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 31 12 6AZ. See 31 12 CONTROL ARMS AND STRUTS
After installation:
- Perform chassis alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION and/or 32 00 155 CHASSIS/WHEEL ALIGNMENT WITHOUT LOAD
- Carry out steering angle sensor adjustment . See 61 31 996 CARRY OUT STEERING ANGLE SENSOR ADJUSTMENT