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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Wheel Bearing Unit, Removing and Installing
Wheel Bearing Unit, Removing and Installing, FWD
Special tools and workshop equipment required
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Installer - Cams
Wheel Bearing Unit, Servicing
Note
The wheel bearing and wheel hub are currently only delivered
together. As soon as these components are delivered separately,
the following instructions will apply.
Special tools and wor
SEE MORE:
Setting the distance
Applies to: vehicles with Audi adaptive cruise control
Fig. 112 Operating lever: setting the distance
When approaching a vehicle driving ahead, the
adaptive cruise control system brakes to match
that vehicle's speed and then adjusts to the set
distance. If the vehicle driving ahead accelerates,
the
Electric Coolant Pump, Removing and Installing
Coolant Recirculation Pump -V50-, Removing and Installing
Special tools and workshop equipment required
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Removing
- Remove the engine cover. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine
