Audi Q5: Wheel Bearing Unit, Removing and Installing
Special tools and workshop equipment required
- Torque Wrench 1331 5-50Nm -VAG1331-
- Torque Wrench 1332 40-200Nm -VAG1332-
- Torque Wrench 80-400Nm -VAG1576-
Removing
- Remove drive axle. Refer to → Chapter "Drive Axle, Removing and Installing".
- Insert both of upper control arm joint pins -2- in the wheel bearing housing and insert the bolt -1-.
Note
This step is necessary to avoid damage to suspension components when loosening and tightening the cap screws.
- Remove brake caliper and secure it to the body so that the weight of the brake caliper does not stress or damage the brake hose or brake line. Refer to → Brake System; Rep. Gr.46; Front Brakes; Brake Caliper, Removing and Installing.
- Remove the brake rotor.
- Remove the Front ABS Wheel Speed Sensor. Refer to → Break System; Rep. Gr.45; Sensors; Right/Left Front ABS Wheel Speed Sensor G45/G47, Removing and Installing.
- Remove the cap screws -arrows-.
- Remove wheel bearing unit.
Caution
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-.
- Service the wheel bearing unit. Refer to → Chapter "Wheel Bearing Unit, Servicing".
Installing
Install in reverse order of removal. Note the following:
Tightening specifications. Refer to → Chapter "Overview - Wheel Bearing".
- Install the drive axle. Refer to → Chapter "Drive Axle, Removing and Installing".
- Tighten the wheel. Refer to → Chapter "Wheel Bolt Tightening Specifications".
- On vehicles with automatic head lamp range control, perform headlamp basic setting. Refer to → Electrical Equipment; Rep. Gr.94; Headlamps; Headlamp, Adjusting.
- If the level control system sensor was removed and installed on a vehicle with electronically controlled damping or if the linkage was loosened, the control position must be reprogrammed using the Vehicle Diagnostic Tester. Refer to → Chapter "Control Position, Programming".
- If the control position was reprogrammed on vehicles with lane assist, the Directional Stabilization Assistance Control Module -J759- must be calibrated again. Refer to → Chapter "Lane Assist, Calibrating".
Wheel Bearing Unit, Servicing
Special tools and workshop equipment required
- Press Plate -VW401-
- Press Plate -VW402-
- Press Piece - Multiple Use -VW412-
- Hydraulic Press - Bushing Assembly Tool Kit -T10230-
- Puller - Kukko Separating Tool - Diameter 25-155mm -15/3- with
- Puller - Kukko Quick Action Separating Tool - 25-155mm -17/3-
- Wheel bearing housing is removed. Refer to → Chapter "Wheel Bearing Unit, Removing and Installing".
Wheel Hub, Removing from Wheel Bearing
- Install special tools as shown in illustration.
1 - Press Piece - Multiple Use -VW412-
2 - Sleeve T10230/3 from the Hydraulic Press - Bushing Assembly Tool Kit -T10230-
3 - Thrust piece T10230/8 from the Hydraulic Press - Bushing Assembly Tool Kit -T10230-
4 - Wheel bearing unit
5 - Press Plate -VW402-
6 - Press Plate -VW401-
- Press the wheel hub out of the wheel bearing.
Removing the Bearing Inner Race from the Hub
- Insert the separating tool between the bearing inner race -1- and the wheel hub -2- and pretension with the spindle.
Note
Use a commercially available separating tool such as the Kukko 15/3 with 17/3.
- Install special tools as shown in illustration.
1 - Press Piece - Multiple Use -VW412-
2 - Sleeve T10230/8 from the Hydraulic Press - Bushing Assembly Tool Kit -T10230-
3 - Thrust piece T10230/3 from the Hydraulic Press - Bushing Assembly Tool Kit -T10230-
4 - Kukko 15/3 with 17/3
- Press the bearing inner race from the hub.
Pressing wheel hub into wheel bearing
- Install special tools as shown in illustration.
1 - Press Piece - Multiple Use -VW412-
2 - Press Plate -VW402-
3 - Wheel hub
4 - Ball Bearing
5 - Press Plate -VW401-
Note
The reworked surface on the wheel bearing outer race faces down.
Caution
When setting down or pressing in, make sure there is no dirt or contaminants between the Press Plate -VW401--5- and the ball bearing -4-.
- Press the wheel hub into the wheel bearing.
- Install the wheel bearing unit. Refer to → Chapter "Wheel Bearing Unit, Removing and Installing".
