Differential Side Bearings Replacement 8.6, 9.5, 10.5 Inch Axle

Tools Required

1. Remove the differential assembly. Refer to Differential Replacement .



2. Remove the differential side bearings by doing the following:

2.1.	For the 8.6 inch and 9.5 inch axles, install the differential assembly into a vise.

For the 10.5 inch axle, place a block a wood on each side of the differential case before installing the differential case into the vise.

2.2.	Install the J 22888-20A  (2) and the J 8107-4 , 8.6 inch axle, or the J 36597 , 9.5 inch or 10.5 inch axles (1) as shown.

2.3.	Remove the differential side bearings using the J 22888-20A .

1. Install the differential side bearings by doing the following:

1.1.	In order to protect the differential case, install theJ 8107-4 , 8.6 inch axle, or the J 36597 , 9.5 inch or 10.5 inch axle, in the case on the side opposite the bearing installation.

1.2.	Install the J 25299 , 8.6 inch axle, or the J 29710 , 9.5 inch or 10.5 inch axle) (1) and the J 8092  (2) onto the differential case bearing as shown.

1.3.	Drive the bearing onto the case using the J 25299 , 8.6 inch axle, or the J 29710 , 9.5 inch or 10.5 inch axle, and the J 8092 .

2. Install the differential assembly. Refer to Differential Replacement .

Differential Side Bearings Replacement 11 Inch Axle

Tools Required

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the axle shafts. Refer to Rear Axle Shaft and/or Gasket Replacement .
3. Remove rear axle housing cover. Refer to Rear Axle Housing Cover and Gasket Replacement .
4. Remove the differential case assembly. Refer to Differential Replacement .




Important: Mark the side bearings, the outboard shims, and the bearing cups appropriately and place with the corresponding bearing cap.

5. Remove the differential side bearings using the J 8107-2 , the J 29721 and the J 29721-70 .

Important: Mark the inboard and the outboard shims left or right.

6. Remove the inboard shims.

1. Determine the total shim pack size for the differential assembly. Refer to Determining Total Shim Pack Size .
2. Install the axle shafts. Refer to Rear Axle Shaft and/or Gasket Replacement .
3. Install the rear axle housing cover. Refer to Rear Axle Housing Cover and Gasket Replacement .
4. Fill the axle with lubricant. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations in Maintenance and Lubrication.
5. Lower the vehicle.