Wheel Bearing Housing

Wheel Bearing Housing

Special tools, testers and auxiliary items required

• Ball Joint Puller (3287A)

• Torque Wrench 50-200 Nm (V.A.G 1332)

• Engine/Transmission Jack (V.A.G 1383 A)

• Angle Wrench (V.A.G 1756)

• Spreader (3424)

• Vehicle Diagnostic, Testing and Information System (VAS 5051B)

Removing

- Loosen the drive axle threaded connection on the wheel side.

- Remove the hex bolt for drive axle. Refer to => [ Drive Axle Hex Bolt Connection, Loosening and Tightening ] Description and Operation.

- Remove the twelve-point bolt with bolts. Refer to => [ Drive Axle Twelve-Point Bolt with Ribs, Loosening and Tightening ] Drive Axle Twelve-Point Bolt With Ribs, Loosening and Tightening.

- Remove the twelve-point bolt without ribs. Refer to => [ Drive Axle Twelve-Point Bolt without Ribs, Loosening and Tightening ] Drive Axle Twelve-Point Bolt Without Ribs, Loosening and Tightening.

- Remove the wheel.

- Remove the brake caliper and tie it to the body with wire.

- Remove the ABS speed sensor.

- Remove disc brake.

- Loosen nut of track rod ball joint, but do not remove yet.






- Remove the tie rod end off the wheel bearing housing using (3287A) and then remove the nut.

- In vehicles with level control system sensor, remove nut - 3 -.






- On vehicles with electronically-controlled damping (Audi magnetic ride), disconnect connector - 2 -.






Ignore the - arrows -.

• Remove the connector with both hands. Use one hand to open the retainer and use the other hand to press it off. Do not use tools.

- Disconnect threaded connection of wheel bearing housing/suspension strut - arrow -.






- Insert (3424) into slot of wheel bearing housing.






- Rotate the ratchet 90° and remove it from the (3424).

- Remove the nuts - arrows -.






- Guide transverse link out of wheel bearing housing with ball joint.

- Remove the wheel bearing housing downward from the shock absorber tube and remove the drive axle from the wheel hub.

• The drive axle must not hang down, otherwise the inner joint will be damaged by over flexing.

• Secure drive axle to body using wire.

- Remove the wheel bearing housing with ball joint.

Installing

Installation is the reverse of removal, with special attention to the following:

Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit Overview ] Service and Repair.

Tightening specifications, refer to => [ Subframe, Diagonal Brace, Ball Joint, Stabilizer Bar, Transverse Link, Bracket and Vehicle Level Sensor Overview ] Subframe, Diagonal Brace, Ball Joint, Stabilizer Bar, Transverse Link, Bracket and Vehicle Level Sensor Overview.

- Tighten the drive axle hex collar bolt. Refer to => [ Drive Axle Hex Bolt Connection, Loosening and Tightening ] Description and Operation.

- Tighten the twelve-point bolt with ribs. Refer to => [ Drive Axle Twelve-Point Bolt with Ribs, Loosening and Tightening ] Drive Axle Twelve-Point Bolt With Ribs, Loosening and Tightening.

- Tighten the twelve-point bolt without ribs. Refer to => [ Drive Axle Twelve-Point Bolt without Ribs, Loosening and Tightening ] Drive Axle Twelve-Point Bolt Without Ribs, Loosening and Tightening.

- Perform a headlamp basic setting using the (VAS 5051B) if the vehicle has automatic headlamp range control.

- On vehicles with electronically-controlled damping (Audi magnetic ride), reprogram the control position using the (VAS 5051B).

- Axle alignment is required, see Table => [ An axle alignment is necessary when: ] Wheel Alignment.