Wheel Bearing Unit

Wheel Bearing Unit

Special tools, testers and auxiliary items required

• Digital Torque Wrench (V.A.G 1756)

• Torque Wrench 40-200 (V.A.G 1332)

Removing

- Remove the drive axle. Refer to => [ Drive Axle with 100 mm Inner CV Joint ] Drive Axle With 100 mm Inner CV Joint => [ Drive Axle with 100 mm Diameter Inner CV Joint ] Drive Axle With 100 mm Diameter Inner CV Joint => [ Drive Axle with 108 mm Inner CV Joint ] Drive Axle With 108 mm Inner CV Joint => [ Drive Axle with Triple Roller Joint AAR 2600i ] Disassembly and Assembly => [ Drive Axle with Triple Roller Joint AAR 2600i, ] Drive Axle With Triple Roller Joint AAR 2600i, => [ Drive Axle with Triple Roller Joint AAR 3300i, Installed in Transmission ] Drive Axle With Triple Roller Joint AAR 3300i, Installed In Transmission => [ Drive Axle with Triple Roller Joint AAR 3300i, Mounted on Transmission Stub Shaft ] Drive Axle With Triple Roller Joint AAR 3300i, Mounted on Transmission Stub Shaft.

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

- Remove the ABS speed sensor.

- Remove the brake rotor.

- Remove the bolts - arrows -.






- Remove wheel bearing unit from wheel bearing housing.

• 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 -.

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

- 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: