31 12 000 Removing And Installing Left Or Right Control Arm
Special tools required:
- 31 1 040
- 31 2 310
Mount securing fixture for vehicle on lifting platform to prevent the vehicle from slipping off or tilting down.
Necessary preliminary tasks:
- Remove FRONT WHEEL
Only on left side at ride-height sensor:
Release screw (1).
Tightening torque: 6 Nm
Remove bracket (3) from control arm.
Installation:
Sensor lever (4) must point from ride-height sensor to left front wheel.
Align bracket (3) by way of lug (2) to corresponding opening in control arm.
During removal and installation:
Unfasten nut.
Jointing torque: 70 Nm
Angle of rotation: 90 °
Press control arm off swivel bearing with special tool 31 2 310.
Installation:
Keep control arm to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut.
Replacement:
Unscrew nuts (1).
Tightening torque: 175 Nm
Installation note:
Keep wheel control joint connection (2) to wishbone clean and free from oil and grease.
Replace self-locking nuts.
Unfasten nut.
Jointing torque: 80 Nm
Angle of rotation: 90 °
Screw special tool 31 1 040 onto joint.
Strike joint from below to release it from taper in front axle carrier.
Installation note:
Keep control arm to front axle carrier connection clean and free from oil and grease.
Replace self-locking nut.
Lower front axle support. See LOWERING WITH UNIVERSAL LIFTER or LOWERING WITH SWZ00-2040 .
Remove ANTI-ROLL BAR FROM FRONT AXLE SUPPORT and tie up.
Remove control arm with bracket from front axle carrier.