Chevrolet Silverado / GMC Sierra. Service manual — part 1347

Fig. 96: Remove Upper Differential Carrier Assembly Bushing Using J 36616-2, J
33791-1, Thrust Bearing, J 21474-18 & Forcing Screw
Courtesy of GENERAL MOTORS CORP.

2. Remove the upper differential carrier assembly bushing by performing the following steps:

1. Install the J 36616-2 (1), the J 33791-1 (2), the thrust bearing (3), the J 21474-18 (4),

and the forcing screw as shown.

2. Remove the upper differential carrier assembly bushing by holding the forcing screw

and slowly tightening the J 21474-18.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 97: Removing Lower Differential Carrier Assembly Bushingj 21474-18, Thrust
Bearing, J 33791-1, J 36616-2, & Forcing Screw
Courtesy of GENERAL MOTORS CORP.

3. Remove the lower differential carrier assembly bushing by performing the following steps:

1. Install the J 21474-18 (1), the thrust bearing (2), the J 33791-1 (3), the J 36616-2 (4),

and the forcing screw as shown.

2. Remove the lower differential carrier assembly bushing by holding the forcing screw

and slowly tightening the J 21474-18.

Installation Procedure

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 98: Installing Lower Differential Carrier Assembly Bushing Using J 21474-18,
Thrust Bearing, J 36616-2, J 36616-1, & Forcing Screw
Courtesy of GENERAL MOTORS CORP.

1. 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.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 99: Installing Upper Differential Carrier Assembly Bushing J 21474-18, Thrust
Bearing, J 36616-2, J 36616-1, & Forcing Screw
Courtesy of GENERAL MOTORS CORP.

2. 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.

3. Install the differential carrier assembly. Refer to Differential Carrier Assembly

Replacement (1500 FWD) or Differential Carrier Assembly Replacement (2500

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado