GM Service Manual Online
For 1990-2009 cars only

    Object Number: 15497  Size: SH
  1. Inspect the final drive planet pinion to carrier clearance. The clearance should be 0.20-0.30 mm (0.007-0.012 in). The carrier must be replaced if the gears are out of specification.
  2. Inspect the pinion gear teeth for chips or damage.