Operation CHARM: Car repair manuals for everyone.

Rear Suspension, Front Wheel Drive (FWD)







Wheel Bearing Unit

For a short period of time, wheel bearing housings for AWD vehicles were installed on FWD vehicles - item 24 - => [ (Item 24) Wheel Bearing Housing ] Wheel Bearing Housing, Wheel Bearing Unit and Coil Spring Shock Absorber Overview. Refer to the Parts Catalog. Do not install both types together. Procedure for vehicles equipped with an AWD wheel bearing housing. Refer to => [ Wheel Bearing Unit ] Wheel Bearing Unit, => [ Wheel Bearing Unit ] Wheel Bearing Unit

Special tools, testers and auxiliary items required

Grease Cap Puller (VW 637/2)

Fitting Sleeve (3241/4)

Torque Wrench 50-200 Nm (V.A.G 1332)

Torque Wrench (V.A.G 1410)

Grease

Removing

- Place the vehicle on a hoist.

- Loosen the dust cap by lightly tapping on the (VW 637/2).






- Pry the dust cap off using the (VW 637/2).






- Loosen the wheel bearing unit collar bolt, but only when the vehicle is resting on its wheels. Refer to => [ Threaded Connection Between Drive Axle and Wheel Hub, Loosening and Tightening ] Procedures.

- Remove the wheel.

- Remove brake caliper and brake disc.

- Secure the brake caliper to the body so that the weight of the caliper does not stress or damage the brake hose or brake line.

- Remove the bolts - 1 - from the brake shield - 2 -.






Do not pull the wheel bearing off by the outer race (wheel hub).

- Remove the wheel bearing unit - 2 - over the brake shield - 1 - and from the stub axle - 3 -.






If the wheel bearing unit can be removed from the wheel bearing housing by hand, the wheel bearing unit is OK and can be reinstalled.

- Reach behind the front seal - arrow - when the stub axle has been freed up enough. Remove the wheel bearing unit and the brake shield (both not shown in the illustration) over the front seal - arrow -.






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 -.

- Clean the front seal.

Installing

Install in reverse order of removal. Note the following:

Tightening specifications, refer to => [ Wheel Bearing Housing, Wheel Bearing Unit and Coil Spring Shock Absorber Overview ] Wheel Bearing Housing, Wheel Bearing Unit and Coil Spring Shock Absorber Overview

- Install the front seal and grease the stub axle - arrow - lightly with grease.






- Install the brake caliper and disc.

Damaged (dented) protective caps must be replaced.

Damaged (dented) protective caps allow moisture to enter. Therefore, always use the tool shown.

- Install the protective cap using the (3241/4).






- Install the wheel.

- Tighten the wheel.

- Tighten the wheel bearing unit collar bolt, but only when the vehicle is resting on its wheels. Refer to => [ Threaded Connection Between Drive Axle and Wheel Hub, Loosening and Tightening ] Procedures.