Wheel Bearing Housing
Wheel Bearing Housing
Special tools, testers and auxiliary items required
• Ball Joint Puller (3287A)
• Torque Wrench 40-200 Nm (V.A.G 1332)
• Engine/ Gearbox jack (V.A.G 1383 A)
• Digital Torque Wrench (V.A.G 1756)
• Spreader (3424)
Removing
- Loosen the drive axle threaded connection on the wheel side.
=> [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] Hex Bolt Between Drive Axle and Wheel Hub, Loosening and Tightening
=> [ Twelve-Point Bolt with Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt With Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
=> [ Twelve-Point Bolt without Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt Without Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
- Remove the wheel.
- Remove the brake caliper and tie it to the body wire.
- Remove brake line and electric wire bracket from wheel bearing housing.
- Remove the ABS speed sensor.
- Remove the brake rotor.
- Remove cover plate from wheel bearing housing.
- Loosen nut of track rod ball joint, but do not remove yet.
- Press off track rod ball joint from wheel bearing housing using (3287A) and now unscrew nut.
- On vehicles with a level control system sensor, remove the nut from the linkage on the transverse link.
- On vehicles with electronically-controlled damping (Audi magnetic ride), disconnect connector - 2 -.
• Remove the connector - 2 - with both hands. Use one hand to open the retainer and use the other hand to press it off. Do not use tools.
- Mark location of nuts - arrows - with felt-tip pen.
- Remove the nuts - arrows -.
- Guide transverse link out of wheel bearing housing with ball joint.
- Remove wheel bearing housing from drive axle splines.
• The drive axle must not hang down, otherwise the inner joint will be damaged by overflexing.
• Secure drive axle to body using wire.
- Separate wheel bearing housing/suspension strut threaded connection -arrow-.
- Insert (3424) into slot of wheel bearing housing.
- Turn the ratchet 90° and remove it from the (3424).
- Pull wheel bearing housing with ball joint down from shock absorber tube and remove.
Installing
Install in reverse order of removal. Note the following:
Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit Overview ] Service and Repair
Tightening specifications, refer to => [ Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor Overview ] Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor Overview
- Replace locking element after each removal. Refer to - Item 11 - => [ (Item 11) Locking Element ] Subframe, Stabilizer Bar, Transverse Link, Ball Joint and Vehicle Level Sensor Overview.
- Align nuts - arrows - according to markings made earlier and tighten.
- Tighten drive axle to wheel hub threaded connection.
=> [ Hex Bolt between Drive Axle and Wheel Hub, Loosening and Tightening ] Hex Bolt Between Drive Axle and Wheel Hub, Loosening and Tightening
=> [ Twelve-Point Bolt with Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt With Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
=> [ Twelve-Point Bolt without Ribs, Loosening and Tightening, Drive Axle to Wheel Hub ] Twelve-Point Bolt Without Ribs, Loosening and Tightening, Drive Axle to Wheel Hub
- If the vehicle has electronic damping (Audi Magnetic Ride), then program the control position. Refer to vehicle diagnostic tester.
- If the vehicle has automatic head lamp range control, then perform a basic setting on the headlamps.
- An axle alignment is necessary. Refer to the table => [ An Axle Alignment is Necessary When: ] An Axle Alignment is Necessary When: