Wheel Bearing Housing
Wheel Bearing Housing
Special tools, testers and auxiliary items required
• Torque Wrench 40-200 Nm (V.A.G 1332)
Removing
- Measure dimension from center of wheel to lower edge of wheel housing. Refer to => [ Rear Suspension, Lifting to Curb Weight Position ] Rear Suspension, Lifting to Curb Weight Position.
- Remove the wheel.
- Remove coil spring. Refer to => [ Coil Spring ] Coil Spring.
- Remove brake carrier and brake caliper and tie to body with wire.
- Remove ABS speed sensor from wheel bearing housing.
- Remove cover plate.
- Remove the bolt - 2 - and washer - 1 -.
• The washer - 1 - is installed on vehicles with an aluminum wheel bearing housing.
- Remove bolt for tie rod - 1 -, upper transverse link - 2 - and lower transverse link - 3 - from wheel bearing housing - 4 -.
- Remove connecting link - 1 - from trailing arm.
- Hold wheel bearing housing tightly and remove the bolts - arrows -.
- Pull coupling rod - 1 - out of trailing link.
- Remove wheel bearing housing.
Installing
Installation is the reverse of removal, with special attention to the following:
- Install tie rod bolt - 1 -, upper transverse link - 2 - and lower transverse link - 3 -.
- Tighten the connecting link - arrow - to the trailing arm by hand.
Threaded connection of trailing link/wheel bearing housing must only be tightened when all other components (spring and strut always) of the respective wheel suspension have been already assembled. To tighten, suspension must be unloaded. Only now do the trailing link and wheel bearing housing move into the position required - arrows -.
Always perform the following work in the sequence given!
- Tighten the bolt - 2 - and washer - 1 -.
The washer - 1 - is installed on vehicles with an aluminum wheel bearing housing.
- Place trailing arm on wheel bearing housing with bolts - arrows - but do not tighten yet.
- Install coil spring. Refer to => [ Coil Spring ] Coil Spring.
- Tighten bolts - arrows -.
- Tighten coupling rod - arrow - on trailing arm.
- Install cover plate.
• Bolting at wheel bearing housing may occur only when dimension "a" has been obtained! Refer to => [ Rear Suspension, Lifting to Curb Weight Position ] Rear Suspension, Lifting to Curb Weight Position.
- Tighten bolt for tie rod - 1 -.
- Tighten lower transverse link bolt - 3 -.
- Tighten the bolt - 1 - on the upper transverse link.
• The washer - 2 - must be installed so that there is a gap - arrow B - between the washer and the cover plate - 3 -.
- Install ABS wheel speed sensor in wheel bearing housing.
- Install brake disc.
- Install the brake carrier and brake caliper.
Tightening specifications, refer to => [ Subframe, Diagonal Brace, Lower Transverse Link, Upper Transverse Link, Tie Rod and Level Control System Overview ] Subframe, Diagonal Brace, Lower Transverse Link, Upper Transverse Link, Tie Rod and Level Control System Overview.
Tightening specifications, refer to => [ Wheel Bearing Housing, Wheel Bearing Unit, Trailing Arm with Mounting Bracket and Stone Deflector Overview ] Wheel Bearing Housing, Wheel Bearing Unit, Trailing Arm With Mounting Bracket and Stone Deflector Overview.
Tightening specifications, refer to => [ Shock Absorber and Coil Spring Overview ] Shock Absorber and Coil Spring Overview.
Tightening specifications, refer to => [ Stabilizer Bar Overview ] Stabilizer Bar Overview.
- Install wheel and tighten.
- Axle alignment is required, see Table => [ An axle alignment is necessary when: ] Wheel Alignment.