GM Service Manual Online
For 1990-2009 cars only
  1. Remove the differential side bearings. Refer to Differential Side Bearings Replacement .
  2. Remove the ring gear. Refer to Drive Pinion and Ring Gear Replacement .

  3. Object Number: 851631  Size: SH

    Important: The differential bearing race must be compressed in order to remove the differential bearing retainer.

  4. Remove the differential bearing retainer by performing the following steps:
  5. 3.1. With the aid of an assistant, push the differential bearing race down towards the differential case in order to relieve the pressure against the differential bearing retainer.
    3.2. Remove the differential bearing retainer.

    Object Number: 851633  Size: SH
  6. Remove the differential bearing race.
  7. Remove the locking differential coil assembly.

  8. Object Number: 851637  Size: SH
  9. Remove the differential bearing assembly.

  10. Object Number: 851641  Size: SH
  11. Remove the locking differential coil plate.

  12. Object Number: 851645  Size: SH
  13. Remove the outboard locking differential ball bearing plate.

  14. Object Number: 851649  Size: SH
  15. Remove the locking differential ball bearings.

  16. Object Number: 851654  Size: SH
  17. Remove the inboard locking differential ball bearing plate.

  18. Object Number: 851697  Size: SH
  19. Remove the locking differential clutch spring retainer and the differential carrier lock pins.

  20. Object Number: 851701  Size: SH
  21. Remove the locking differential clutch springs.

  22. Object Number: 851727  Size: SH
  23. Remove the pinion shaft lock screw.

  24. Object Number: 851733  Size: SH
  25. Remove the pinion gear shaft.

  26. Object Number: 851732  Size: SH
  27. Remove the two differential pinion gear thrust washers.
  28. Drive the pinion gear thrust washers out using a brass drift and a hammer.

  29. Remove the two differential pinion gears.
  30. Rotate the differential side gears in opposite directions in order to remove the differential pinion gears.

    Mark the differential pinion gears and the thrust washers top and bottom.


    Object Number: 851734  Size: SH
  31. Remove the differential side gear and the side gear thrust washer.

  32. Object Number: 851735  Size: SH
  33. Remove the locking differential side gear and thrust washer.
  34. Mark the differential side gears and the thrust washers left and right.