GM Service Manual Online
For 1990-2009 cars only

Front Differential Case Disassemble 9.25 Inch Axle

Special Tools

    • J 22888-D Side Bearing Remover Kit
    • J 36597 Side Bearing Puller Pilot - 9.25 in Axle
  1. Place the differential case in a vise.

  2. Object Number: 680400  Size: SH
  3. Using the J 22888-20A  (2) and the J 36597  (1), remove the differential side bearings.
  4. Remove the differential assembly from the vise.

  5. Object Number: 866503  Size: SH

    Note: The ring gear bolts have left-hand threads.

  6. Remove the ring gear bolts. Discard the bolts.

  7. Object Number: 866502  Size: SH

    Caution: Do not pry the ring gear from the differential case. Prying the ring gear from the differential case may cause damage to the ring gear and/or the differential case.

  8. Using a brass drift and a hammer, remove the ring gear from the differential case.

  9. Object Number: 851727  Size: SH
  10. Remove the pinion shaft lock bolt.

  11. Object Number: 851733  Size: SH
  12. Remove the pinion shaft.
  13. Remove the differential side gear spacers, if equipped.

  14. Object Number: 851732  Size: SH
  15. Using a brass drift and a hammer, drive the pinion gear thrust washers out from the differential case.
  16. Note: Mark the pinion gears and thrust washers top and bottom.

  17. Roll the differential pinion gears out of the differential case.

  18. Object Number: 851734  Size: SH

    Note: Mark the differential side gears and thrust washers left and right.

  19. Remove the differential side gears and thrust washers.