31 21 090 Replacing (Removing And Installing) Left Or Right Swivel Bearing
Special tools required:
- 31 2 200
Necessary preliminary tasks:
- Remove brake disk . See 34 11 220 REMOVING AND INSTALLING/REPLACING BOTH FRONT BRAKE DISCS .
- Remove pulse generator from swivel bearing . See 34 52 525 REPLACING ONE FRONT PULSE GENERATOR .
- Remove control arm from swivel bearing . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
- Remove tie rod end from swivel bearing . See 31 21 090 REPLACING (REMOVING AND INSTALLING) LEFT OR RIGHT SWIVEL BEARING .
- Remove tension strut from swivel bearing . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS .
After installation:
- Replacement only: Perform chassis alignment check . See 32 00 ... CHASSIS/WHEEL ALIGNMENT CHECK PROCEDURE .
Support swivel bearing with workshop jack and a suitable mounting.
Release nut and remove holder for brake hose, pulse generator and if necessary brake pad sensor.
Remove screw towards front.
Spread swivel bearing with special tool 31 2 200 .
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 2 200 , align by means of gap to web on back of spring strut and raise as far as it will go.
Replace self-locking nut.
Tightening torque 31 31 3AZ . See FRONT AXLE - TIGHTENING TORQUES .
Replacement only:
Modify or if necessary replace wheel bearing . See 31 21 180 REPLACING BEARINGS (WHEEL HUB) FOR FRONT WHEEL .
Modify brake guard plate . See 34 11 250 REMOVING AND INSTALLING/REPLACING A BRAKE CARRIER/BRAKE GUARD PLATE AT FRONT .