Sierra Classic 2500 4WD V8-8.1L (2007)
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
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.