GM Service Manual Online
For 1990-2009 cars only

    Object Number: 16262  Size: SH
  1. Inspect the differential carrier assembly (678) for the following conditions:
  2. • Damaged or worn teeth, bearing rollers, washers, or pins in the differential planetary pinion gear
    • Damaged or worn teeth or splines in the differential carrier sun gear
    • Damaged or worn teeth, splines, or thrust washers in the differential side gear
    • Damaged or worn teeth, thrust washers, or shaft in the differential pinion gear
    • Damaged governor drive gear
    • Damaged differential carrier, sun gear, or internal gear thrust bearings
    • Damaged or worn selective thrust washer in the carrier
    • Damaged differential carrier housing
    • Damaged or worn teeth in the final drive internal gear
    • Damaged or worn internal gear bushing

    Object Number: 16263  Size: SH
  3. Using a feeler gage, measure the end play of the planetary pinion gear (816) for the differential carrier. The end play should be 0.24-0.63 mm (0.009-0.025 in).
  4. If the end play check or the component inspection indicates a problem, repair the front differential carrier assembly (678).