Removing and Installing/Replacing Left or Right Swivel Bearing (AWD)

31 21 090 - Removing and installing/replacing left or right swivel bearing (AWD)





Special tools required:
- 31 2 230 31 2 230 Socket





Remove front wheel Removing or Installing Front or Rear Wheel.

Important!
Expand turning lock sufficiently to avoid damaging thread when releasing collar nut.

Release collar nut; to do so, press brake pedal to floor.

Installation Note:
Replace collar nut, oil collar nut/wheel bearing contact surface lightly and tighten down.

No oil permitted on thread of shaft journal or collar nut.

Tightening torque 31 21 2AZ Front Axle.

Secure collar nut by positive peening on flat areas of output shaft.





Remove brake disc Removing and Installing/Replacing Both Front Brake Discs.

Replacement only: Drive out drive flange Front (AWD Xi Models).

Remove front pulse generator from swivel bearing Replacing One Front Pulse Generator and remove line from bracket.

Remove tie rod end from swivel bearing Replacing Left or Right Tie Rod End (AWD).

Remove tension strut from guide joint Removing and Installing/Replacing Left or Right Tension Strut (AWD).

Remove control arm from swivel bearing Removing And Installing/Replacing Left or Right Control Arm (AWD).

Remove stabilizer link from spring strut Removing and Installing/Replacing Push Rod (Stabilizer Link) for Left/Right Stabilizer.

Important!
Risk of damage!

Do not drive output shaft out of drive flange with an impact tool.

Turn swivel bearing to one side.

Press output shaft out of drive flange Pressing Output Shaft Out of Drive Flange (Wheel Hub) and Drawing In and tie up.





Important!
- Check sensor head and line from pulse generator prior to installation for external damage, replacing if necessary.





Support swivel bearing with workshop jack and a suitable mounting.

Release nut (1) and remove holder (2).

Pull out bolt (3) towards front.

Spread swivel bearing with special tool 31 2 230 31 2 230 Socket.

Lower workshop jack and remove swivel bearing.

Installation Note:
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 31 2 230 Socket, align by means of gap to positioning pins on back of spring strut and raise as far as it will go.

Replace self-locking nut.

Tightening torque 31 31 3AZ Spring Struts (Front).





Replacement:

Modify guide joint Removing and Installing/Replacing Guide Joint in Swivel Bearing (4WD).

Modify dust sleeve (1).

Modify brake guard plate (2).

Installation Note:
Install new wheel bearing Front (AWD Xi Models).

Draw in drive flange Front (AWD Xi Models).





After installation:

- Replacement only: Perform chassis alignment check