8.6, 9.5 Inch Axle
Drive Pinion Bearings Replacement (8.6, 9.5 Axles)^ Tools Required
- J 7818 Inner Bearing Race Installer (9.5 inch axle)
- J 8092 Driver Handle
- J 8608 Rear Pinion Bearing Race Installer (8.6 inch axle)
- J 8611-01 Front Pinion Bearing Race Installer (8.6 inch axle)
- J 22306 Rear Pinion Cup Bearing Installer (9.5 inch axle)
- J 22912-01 Split Plate Bearing Puller
- J 24433 Pinion Cone and Side Bearing Installer (8.6 inch axle)
- J 36614 Inner Pinion Bearing Installer (9.5 inch axle)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assemblies.
3. Remove the brake calipers.
4. Remove the brake rotors.
5. Remove the axle shafts.
6. Remove the differential.
7. Remove the pinion from the axle.
8. Press the bearing off of the pinion using the J 22912-01.
9. Remove the shim.
10. Remove the 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 8611-01 (8.6 inch axle) (2), or the J 7818 (9.5 inch axle) (2) and the J 8092 (1).
2. Install the inner pinion bearing cup using the J 8608 (8.6 inch axle) (2), or the J 22306 (9.5 inch axle) (2) and the J8092 (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 24433, or the J 36614.
Press the bearing on until the cone seats on the pinion shim.
6. Install a new collapsible spacer.
7. Lubricate the pinion bearings 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 rotors.
13. Install the brake calipers.
14. Install the tire and wheel assemblies.
15. Fill the axle with lubricant. Use the proper fluid.
16. Lower the vehicle.