31 21 090 Removing and installing/replacing left or right swivel bearing
Special tools required:
- 31 2 230
Necessary preliminary tasks:
- Remove Front Brake Disc
- Remove Front Pulse Generator From Swivel Bearing
If necessary, remove jointed rod of ride-height sensor from control arm.
Slacken Control Arm Bolt Connection On Front Axle Carrier in order to prevent control arm rubber mount from being damaged.
Remove Control Arm From Swivel Bearing.
Remove Tie Rod End From Swivel Bearing.
Remove Tension Strut From Swivel Bearing
Support swivel bearing with workshop jack and a suitable mounting.
Release nut (1) and remove holder (2) for pulse generator and if necessary brake pad sensor.
Pull out bolt towards front.
Installation:
Note insertion direction of screw.
Replace self-locking nut.
For tightening torque refer to 31 31 3AZ in 31 21 WHEEL BEARINGS AND STEERING KNUCKLE .
Spread swivel bearing with special tool 31 2 230.
Lower workshop jack and remove swivel bearing.
Installation:
Keep press fit of swivel gearing and spring strut in lower area clean and free from oil and grease.
Spread swivel bearing with special tool 31 2 230, align by means of gap to positioning pins on back of spring strut and raise as far as it will go.
Replacement:
Modify or if necessary replace Wheel Bearing.
Modify Brake Carrier/Brake Guard Plate.
After installation: