Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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 the J 8107-4, 8.6 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 , 8.6 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 .

Fig 1: Driving The Differential Side Bearing Into Position

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.
3. Drive the bearing onto the case using the J 44420 and the J 8092 .

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

Courtesy of GENERAL MOTORS CORP.

Install the differential assembly. Refer to Differential Replacement (8.6 Inch, 9.5 Inch Axles) , Differential Replacement (9.75 Inch Axle) or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .