8.6, 9.5 Inch Axle

Drive Pinion Bearings Replacement (8.6 Inch, 9.5 Inch Axle)

Tools Required
^ J7818 Inner Bearing Race Installer
^ J8092 Universal Driver Handle 3/4 in-10
^ J8608 Rear Pinion Bearing Race Installer
^ J8611-01 Rear Pinion Bearing Race Installer
^ J22306 Pinion Cup Bearing Installer - Rear
^ J22912-01 Split Plate Bearing Puller
^ J24433 Pinion Cone and Side Bearing Installer
^ J36614 Inner Pinion Bearing Installer

Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assemblies.
3. Remove the brake drums.
4. Remove the axle shafts.
5. Remove the differential.
6. Remove the drive pinion from the axle.





7. Press the bearing off of the pinion using the J22912-01.
8. Remove the shim.
9. 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 J8611-01 (8.6 inch axle) (2), or the J7818 (9.5 inch axle) (2) and the J8092 (1).





2. Install the inner pinion bearing cup using the J8608 (8.6 inch axle) (2), or the J22306 (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 J24433 (8.6 inch axle) or the J36614 (9.5 inch axle).
Press the bearing on until the cone seats on the pinion shim.
6. Install a new collapsible spacer.
7. Install the pinion into the axle housing.
8. Install the outer pinion bearing onto the pinion.
9. Install a new pinion oil seal and the pinion yoke.
10. Install the differential.
11. Install the brake drums.
12. Install the tire and wheel assemblies.
13. Fill the axle with lubricant. Use the proper fluid.
14. Lower the vehicle.