GM Service Manual Online
For 1990-2009 cars only
  1. Inspect all components for excessive wear and replace as necessary.
  2. Perform pinion depth measurement and adjustment. Refer to Pinion Depth Adjustment
  3. Install the differential drive pinion gear, bearing races, and new pinion seal from housing. Refer to Drive Pinion Installation
  4. Install the differential case to housing. Refer to Differential Case Assembly
  5. Perform side bearing preload adjustment and measurement. Refer to Differential Carrier Bearing Preload Adjustment
  6. Perform a backlash adjustment and measurement. Refer to Backlash Adjustment
  7. Install the axle shafts. Refer to Axle Shaft Replacement
  8. Perform Gear Tooth Contact Pattern Check. Refer to Gear Tooth Contact Pattern Inspection
  9. Install the rear axle cover and gasket to the housing. Refer to Rear Axle Housing Cover and Gasket Replacement
  10. If the rear axle housing was replaced, install the rear axle assembly into the vehicle. Refer to Rear Axle Replacement
  11. Install the propeller shaft to the vehicle. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement
  12. Install rear torque arm. Refer to Torque Arm Replacement
  13. Remove stand and/or hydraulic jack from rear axle.
  14. Lower the vehicle.
  15. Road test the vehicle and inspect for leaks.