Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Driving Differential Side Bearing Into Position

Courtesy of GENERAL MOTORS CORP.

For the 8.6 inch, the 9.5 inch, and the 10.5 inch axles, install the differential side bearings by doing the following:
1. In order to protect the differential case, install theJ 8107-4 , 8. See Special Tools .6 inch axle, or the J 36597 , 9.5 inch or 10.5 inch axles, in the case on the side opposite the bearing installation.
2. Install the J 21784 , 8. See Special Tools .6 inch axle, or the J 29710 , 9.5 inch or 10.5 inch axles (2), and the J 8092 (1) onto the differential case bearing as shown.
3. Drive the bearing onto the case using the J 21784 or the J 29710 and the J 8092 . See Special Tools .

Fig 2: Installing Differential Side Bearings (11.5 Inch Axles)

Courtesy of GENERAL MOTORS CORP.

For the 11.5 inch axle, install the differential side bearings by doing the following:
1. In order to protect the differential case, install the J 8107-5 in the case on the side opposite the bearing installation.
2. Install the J 44420 (2) and the J 8092 (1) onto the differential case bearing as shown. See Special Tools .
3. Drive the bearing onto the case using the J 44420 and the J 8092 . See Special Tools .
Install the differential assembly. Refer to Differential Replacement (8.6, 9.5/9.5LD Inch Axles) or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .