Removal and Replacement

Wheel Bearing Housing and Wheel Bearing Unit Assembly Overview






1 Nut

• 40 Nm

• Always replace if removed.

2 Upper Front Control Arm

3 Upper Rear Control Arm

4 Bolt

• Always replace if removed.

5 Washer

6 Wheel Bearing Housing

• Removing and installing, refer to => [ Wheel Bearing Housing ] Wheel Bearing Housing.

• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).

• Distinguishing characteristic.


When exchanging the wheel bearing housing, make sure the length of the thread on the tie rod end is sufficient (there must be approximately 5 mm extra thread). If this is not the case, then install a new tie rod end with a longer thread pin. Allocation, refer to the Electronic Parts Catalog (ETKA).

7 Brake Shield

8 Bolt

• 10 Nm

9 Bolt

• 200 Nm + 180° turn

• Replace after each removal. Refer to => [ Drive Axle ] Description and Operation.

• Before installing, clean the threads in the CV joint with a tap.

10 Wheel Hub

• Ejecting and pressing in, refer to => [ Wheel Bearing Unit ] Overhaul.

11 Wheel Bearing

• Ejecting and pressing in, refer to => [ Wheel Bearing Unit ] Overhaul.


• Avoid contaminating with dirt and damaging the seal when setting down/storing.

12 Bolt

• 40 Nm

• Always replace if removed.

13 Nut

• Always replace if removed.

• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).

• There are different bolts and tightening specifications.

• After loosening the threaded connection on the guide link on the wheel bearing housing, remove the remaining adhesive from the screw thread.

14 Control Arm

15 Nut

• Always replace if removed.

• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).

• There are different bolts and tightening specifications.

• After loosening the threaded connection on the ball joint on the wheel bearing housing, remove the remaining adhesive from the screw thread.

16 Guide Link

17 Tie Rod End

• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).

18 Nut

• There are different versions depending on the vehicle. Allocation, refer to the Electronic Parts Catalog (ETKA).

• Pay attention to the different nut versions and to the tightening specifications.

• Always replace if removed.

19 Bolt

• 9 Nm

20 Wheel Speed Sensor

21 Drive Axle

22 Bolt

• 70 Nm

• Always replace if removed.

23 Bolts

• 80 Nm + 90° turn

• Always replace if removed.

Avoid Contaminating with Dirt and Damaging the Seal when Setting Down/Storing






• The wheel bearing - 1 - must always face up.

• Always set the wheel bearing unit down on the wheel hub - 2 -.

Nut Versions for the Tie Rod Ball Joint Bracket






• Hex collar nut - A -

Tightening specification: 20 Nm + 90° turn

• 12-point combi nut - B -

Tightening specification: 100 Nm

• Hex combi nut - C -

Tightening specification: 110 Nm

Nut Designs for Mounting Control Arms and Guide Links






• Hex-collar nut - A - M12 special wrench 21 mm

Tightening specification: 145 Nm

• Hex-combination nut - A - M12 special wrench 18 mm

Tightening specification: 110 Nm

• Hex-combination nut - A - M12 special wrench 21 mm

Tightening specification: 120 Nm

• Hex-combination nut - B - M12 special wrench 21 mm

Tightening specification: 140 Nm

Wheel Bearing Housing with Different Steering Arm Thickness






• The wheel bearing housing differs in the thickness of the steering arm - 2 -.