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 screws - arrows -.






- Remove wheel bearing unit.


• 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 => [ Wheel Bearing Unit ] Overhaul.

Installing

Install in reverse order of removal. Pay attention to the following:

Tightening specifications, refer to => [ Wheel Bearing Housing and Wheel Bearing Unit Assembly Overview ] Removal and Replacement.

- Install the drive axle. Refer to => [ Drive Axle ] Drive Axle.

- Tighten the front wheels.

- Perform a headlamp basic setting on vehicles with automatic range control.

- The control position must be "retaught" if the vehicle level sensor has been removed or installed, or if the linkage rod has loosened, in vehicles equipped with electronic damping. Refer to => [ Control Position, Programming using VAS 5051B ] Testing and Inspection.

- The directional stabilization assistance control module (J759) must be re-calibrated if the control position has been "retaught" in vehicles equipped with lane assist. Refer to => [ Lane Assist Calibration Procedure ] Lane Assist Calibration Procedure.