GM Service Manual Online
For 1990-2009 cars only

    Warning: Refer to Safety Glasses Warning in the Preface section.


    Object Number: 1387363  Size: SH
  1. Clean all parts with an approved solvent.
  2. Visually inspect all the parts for excessive wear or breakage. Replace the parts if necessary.
  3. Inspect the pinion gear and the side gear teeth for any of the following conditions:
  4. • Wear
    • Cracks
    • Scoring
    • Spalling
  5. Inspect the thrust washers (112) for wear.
  6. Inspect the fit of the side gears (107, 111) on the axle shafts.
  7. Inspect the differential case (104, 105) for cracks and scoring.
  8. Inspect the side gear bore for scoring. If scoring is present, replace the entire differential.
  9. Replace the differential if there is damage to the case.