Removal and Replacement
Wheel Bearing Housing and Wheel Bearing Unit 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.
• Different versions, for allocation refer to the Electronic Parts Catalog (ETKA).
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. 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.
• Different versions, for allocation refer to the Electronic Parts Catalog (ETKA).
• Pay attention to the different nut versions and to the tightening specifications.
• After loosening threaded connection of guide control arm to wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
14 Control Arm
• Different versions, for allocation refer to the Electronic Parts Catalog (ETKA).
15 Nut
• Always replace if removed
• Different versions, for allocation refer to the Electronic Parts Catalog (ETKA).
• Pay attention to the different nut versions and to the tightening specifications.
• After loosening threaded connection on the ball joint to the wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
16 Guide Link
• Different versions. Allocation, refer to the Electronic Parts Catalog (ETKA).
17 Tie Rod End
• Different versions. Allocation, refer to the Electronic Parts Catalog (ETKA).
18 Nut
• Different versions. 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 Speed Sensor
21 Drive Axle
22 Bolt
• 70 Nm
• Always replace if removed.
23 Cap 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 -.
• Never reach into the inside when lifting the wheel bearing.
• Hold the wheel bearing only on the outside.
Nut Versions for the Tie Rod Ball Joint Bracket
• Hex collar nut - A -
Tightening Specifications: 20 Nm + 90° turn
• 12-point combi nut - B -
Tightening Specifications: 100 Nm
• Hex combi nut - C -
Tightening Specifications: 110 Nm
Wheel Bearing Housing with Different Steering Arm Thickness
• The wheel bearing housing differs in the thickness of the steering arm - 2 -.
Nut Versions for the Ball Joint and Guide Control Arm Bracket
• Hex - collar nut - A - M12 wrench 21 mm
Tightening specification: 145 Nm
• Hex - combination nut - B - M12 18 mm
Tightening specification: 110 Nm
• Hex - combination nut - B - M12 21 mm
Tightening specification: 120 Nm
• Hex - combination nut - B - M14 wrench 21 mm
Tightening Specification: 140 Nm