Drive Pinion Bearings Replacement
Drive Pinion Bearings Replacement^ Tools Required
- J. 5590 Rear Pinion Bearing Race Installer (7.6 inch axle)
- J 7817 0uter Bearing Race Installer (7.6 inch axle)
- J 8092 Driver Handle
- J8608 Rear Pinion Bearing Race Installer (8.6 inch axle)
- J8611-01 Rear Pinion Bearing Race Installer (8.6 inch axle)
- J22912-01 Split Plate Bearing Puller
- J24433 Pinion Cone and Side Bearing Installer (8.6 inch axle)
- J29609 Rear Pinion Bearing Cup Installer (7.6 inch axle)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assemblies.
3. Remove the brake calipers (if equipped).
4. Remove the brake rotors (if equipped).
5. Remove the brake drums (if equipped).
6. Remove the axle shafts.
7. Remove the differential.
8. Remove the drive pinion from the axle.
9. Press the bearing off of the pinion using the J 22912-01.
10. Remove the shim.
11. Remove the drive pinion bearing cups from the axle housing using a hammer and a brass drift in the slots provided. Move the drift back and forth between one side of the cup and the other in order to work the cups out of the housing evenly.
Installation Procedure
1. Install the outer pinion bearing cup using the J 7817 (7.6 inch axle) or the J8611-01 (8.6 inch axle) (2) and the J8092 (1).
2. Install the inner pinion bearing cup using the J29609 (7.6 inch axle) or the J8608 (8.6 inch axle) (2), and the J 8092 (1).
3. Determine the selective shim thickness for the pinion.
4. Install the selective shim between the inner pinion bearing and the shoulder on the gear.
5. Install the inner pinion bearing using the J 5590 (7.6 inch axle) or the J 24433 (8.6 inch axle).
Press the bearing on until the cone seats on the pinion shim.
6. Install a new collapsible spacer.
7. Lubricate the pinion bearing with axle lubricant. Use the proper fluid.
8. Install the pinion into the axle housing.
9. Install the outer pinion bearing onto the pinion.
10. Install a new pinion oil seal and the pinion yoke.
11. Install the differential.
12. Install the brake drums (if equipped).
13. Install the brake rotors (if equipped).
14. Install the brake calipers (if equipped).
15. Install the tire and wheel assemblies.
16. Fill the axle with lubricant. Use the proper fluid.
17. Lower the vehicle.