Audi A4: Wheel Bearing Housing, Removing and Installing

Special tools and workshop equipment required

• Torque Wrench 1332 40-200Nm -VAG1332-
• Engine and Gearbox Jack -VAS6931-
• Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

• Bolt - Wheel Bearing to Wheel Bearing Housing

Removing

FWD

- Disconnect the connector -1- for the rear speed sensor.

  Note

Ignore item -2-.

AWD

- Loosen the connection between the drive axle and wheel hub. Refer to → Chapter "Drive Axle Threaded Connection, Loosening and Tightening".

- Disconnect the connector -1- for the rear speed sensor.

  Note

Ignore item -2-.

Continuation for All Versions

- Remove the brake shield. Refer to → Brake System; Rep. Gr.46; Rear Brakes; Brake Shield, Removing and Installing.

- Remove the bolt -arrow- and move the bracket -1- to the side together with the wires.

- Turn the wheel hub, until a wheel bolt hole is at the top.

- Install the -T10149- with a wheel bolt -2- on the wheel hub.

  Note

Ignore item -1-.

- Slightly lift the wheel bearing housing using the -T10149- with the -VAS6931- this allows the threaded connections to easily separate.

  WARNING

Risk of accident!

• Do not lift or lower the vehicle when the -VAS6931- is under the vehicle.
• Do not leave the -VAS6931- under the vehicle any longer than necessary.

- Remove the bolts -1 and 2-.

- Remove the bolts -3 and 4- and disconnect the connector -1-.

- Loosen the wheel bearing housing -2- from the drive axle and remove it.

Installing

Install in reverse order of removal and note the following:

- Install the threaded connections up to the stop but do not tighten yet.

  Note

Bonded rubber bushings have a limited range of rotation. Only tighten the threaded connections for the suspension when the vehicle is in curb weight position.

- Lift the wheel bearing in curb weight position. Refer to → Chapter "Wheel Bearing in Curb Weight Position, Lifting Vehicles with Coil Spring".

- Tighten the threaded connection between the drive axle and wheel hub. Refer to → Chapter "Drive Axle Threaded Connection, Loosening and Tightening".

• Overview table for when an axle alignment is needed. Refer to → Chapter "Need for Axle Alignment, Evaluating".

Tightening Specifications

• Refer to → Chapter "Overview - Transverse Link"
• Refer to → Chapter "Overview - Wheel Bearing"

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