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 Assemble .
  4. Install the differential carrier to housing. Refer to Differential Carrier Replacement .
  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 .