Bearing Cup Replacement
Removal Procedure^ Tools Required
- J 8092 Driver Handle
- J 8608 Pinion Bearing Cup Installer
- J 24426 Outer Bearing Cup Installer
- J 24427 Inner Wheel Bearing Cup Installer
- Axle Shaft Seal Installer
1. Raise the vehicle until the wheels are free to rotate. Refer to Vehicle Lifting.
2. Remove the disc and the caliper. Refer to Brake Caliper Replacement - Front in Disc Brakes.
3. Remove the oil seal (2).
4. Use a drill to remove the inner bearing and the cup (1).
5. Use snap ring pliers to remove the retaining ring (111).
6. Remove the outer bearing ring using J 24426 and J 8092.
7. Drive the bearing and the cup (8) from the hub (3).
8. Clean the old oil sealing compound from the oil seal bore in the hub.
9. Clean the bearing assemblies in a solvent using a stiff brush in order to remove the old lubricant.
^ Dry the bearings with compressed air.
^ Do not spin the bearings.
10. Clean the lubricant from the axle housing and from inside the hub.
11. Remove the gasket material from the hub and the axle shaft.
12. Inspect the bearings for wear, chipped edges or other damage.
13. Check for flat or rough spots on the rollers.
14. Inspect the cups for pits and cracks.
15. Replace parts as necessary.
Installation Procedure
^ Tools Required
- J 8092 Driver Handle
- J 8608 Pinion Bearing Cup Installer
- J 24426 Outer Bearing Cup Installer
- J 24427 Inner Wheel Bearing Cup Installer
- Axle Shaft Seal Installer
1. Install the outer bearing cup (8) into the hub (3).
Important: Install the J 8608 upside down on the J 8092 so that the chamfer does not contact the bearing cup.
2. Drive the outer bearing cup into hub using the J 8608 and the J 8092.
3. Drive the outer bearing cup (7) beyond the retaining ring groove.
4. Install the retaining ring (11) in the groove.
5. Drive the outer bearing cup onto the retaining ring (11) using the J 24426.
6. Install the inner bearing cup using the J24427 and the J 8092.
7. Drive the inner bearing cup until it is seated against the hub shoulder.
8. Install the inner bearing (1).
9. Install a new oil seal (2) using the Axle Shaft Seal Installer.
10. Install the disc and the caliper. Refer to Brake Caliper Replacement - Front in Disc Brakes.
11. Install the wheel bearing adjusting nut (8).
12. Adjust the bearing preload.
13. Install the axle shaft (5).