GM Service Manual Online
For 1990-2009 cars only

    Object Number: 5504  Size: SH
  1. Check the pinion end play. The end play must not exceed 0.61 mm (0.024 in).
  2. Inspect the reaction carrier for the following conditions:

    • Pinion gear damage
    • Proper pinion staking
    • Excessive pinion washer wear
    • Keystoned pinion gears
  3. Ensure that the pinions turn freely.