Wheel Bearing Unit
Wheel Bearing Unit
Special tools, testers and auxiliary items required
• Torque wrench (V.A.G 1331)
• Torque wrench (V.A.G 1332)
• Torque wrench (V.A.G 1576)
Removing
- Remove drive axle. Refer to => [ Drive Axle ] Drive Axle.
- Insert both of upper control arm joint pins - 2 - in the wheel bearing housing and insert the bolt - 1 -.
• This step is necessary to avoid damage to suspension components when loosening and tightening the cap screws.
- Remove brake caliper and secure to body so that the weight of the brake caliper does not stress or damage brake hose or brake line.
- Remove disc brake.
- Remove the front wheel speed sensor.
- Remove the cap bolts - arrows -.
- Remove wheel bearing unit.
• Avoid contaminating with dirt and damaging the seal when setting down/storing.
• The wheel bearing - 1 - must face up in order to remove the wheel bearing unit.
• Always set the wheel bearing unit down on the wheel hub - 2 -.
• Never reach into the inside when lifting the wheel bearing.
• Hold the wheel bearing only on the outside.
- Service the wheel bearing unit. Refer to => [ Wheel Bearing Unit ] Overhaul.
Installing
Install in reverse order of removal. Note the following:
Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit Overview ] Removal and Replacement.
- Install the drive axle. Refer to => [ Drive Axle ] Drive Axle.
- Tighten wheel.
- On vehicles with automatic headlamp range control system, perform a basic setting on the headlamps.
- If the vehicle level sensor was removed and installed on a vehicle with electronically controlled damping or if the linkage was loosened, the control position must be reprogrammed. Refer to => [ Control Position, Programming using Vehicle Diagnostic Tester ] Testing and Inspection.
- If the control position was reprogrammed on vehicles with lane assist, the directional stabilization assistance control module (J759) must be recalibrated. Refer to => [ Lane Assist Calibration Procedure ] Lane Assist Calibration Procedure.