Wheel Hub: Service and Repair

Wheel bearing/wheel hub unit (vehicles with disc brakes), removing and installing

Special tools, testers and auxiliary items required:

- Grease cap puller VW 637/2
- Seal installer 3241
- Installation Sleeve wheel Brg. 3420
- Torque wrench V.A.G 1332
- Torque wrench V.A.G 1410

Removing
- Raise vehicle.
- Remove wheel.





- Loosen dust cap from seat by tapping lightly on claw of grease cap puller VW 637/2.





- Pull off dust cap.





- Remove securing bolts - A - from brake caliper.
- Remove brake caliper and hang on body.
- Remove Phillips-head screw for brake disc and remove brake disc.
- Remove 12-point nut.





- Pull off wheel hub/wheel bearing unit from stub axle.
- A - Puller, e.g. Kukko 20/2





- Pull off bearing inner race from stub axle.
- Only use puller - A - with tension bracket, e.g. Kukko 204-2 (commercial type).

Installing
- Push wheel bearing/wheel hub unit onto stub axle as far as it will go.





- Screw on Installation Sleeve wheel Brg. 3420 and pull on wheel bearing/wheel hub unit until it stops.
- Make sure that wheel hub/wheel bearing unit is not canted!
- Remove Installation Sleeve wheel Brg. 3420.





- Use a new 12-point nut - A - and tighten.
- Install brake disc.





- Drive in dust cap.

Note: Always replace dust caps.

- Damaged dust caps allow moisture to enter. Therefore, always use the tool shown.
- Rest of installation is in reverse order of removal.
- Install wheel and tighten.

Tightening torque:
Brake caliper to rear axle 65 Nm