Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Lower Differential Carrier Assembly Bushing

Courtesy of GENERAL MOTORS CORP.

Install the lower differential carrier assembly bushing by performing the following steps:
1. Install the J 21474-18 (1), the thrust bearing (2), the J 36616-2 (3), the J 36616-1 (4), and the forcing screw (5) as shown.
2. While holding the forcing screw, slowly tighten the J 21474-18 until the bushing has stopped against the step on the bushing and is centered within the differential carrier assembly bushing bore.

Fig 2: Installing Upper Differential Carrier Assembly Bushing

Courtesy of GENERAL MOTORS CORP.

Install the upper differential carrier assembly bushing by performing the following steps:
1. Install the J 21474-18 (1), the thrust bearing (2), the J 36616-2 (3), the J 36616-1 (4), and the forcing screw (5) as shown.
2. While holding the forcing screw, slowly tighten the J 21474-18 until the bushing has stopped against the step on the bushing and is centered within the differential carrier assembly bushing bore.
Install the differential carrier assembly. Refer to Differential Carrier Assembly Replacement (1500 FWD) or Differential Carrier Assembly Replacement (2500 4WD) .