GM Service Manual Online
For 1990-2009 cars only

Differential Carrier Overhaul Except Bravada

Disassembly Procedure

Tools Required

    • J 8107-2 Differential Side Bearing Remover
    • J 8614-01 Pinion Yoke Holder
    • J 21551 Output Shaft Bearing Remover
    • J 22888-20A Differential Side Bearing Puller
    • J 22912-B Pinion Bearing Remover
    • J 23907 Slide Hammer
    • J 29369-1 Universal Bearing Remover
    • J 33791 Bushing Remover and Installer Set
    • J 33792 Side Bearing Adjuster Socket
    • J 33837 Pinion Bearing Cup Remover and Installer
    • J 34011 Pilot Bearing Remover
    • J 36611 Output Shaft Bearing Remover
    • J 42213 Side Bearing Adjuster Socket
  1. Remove the bolts, the shift cable housing, and the spring.
  2. Remove the tube and the thrust washer.
  3. Remove the spring and shift shaft with fork.
  4. Remove the axle shaft.
  5. Remove the clutch gear with the retaining ring.
  6. Remove the right inner axle shaft to housing seal using a suitable seal remover.

  7. Object Number: 9105  Size: SH
  8. Remove the right inner axle shaft bearing using the J 29369-1 and the J 23907 .
  9. Remove the thrust washer.
  10. Remove the clutch sleeve and shaft.

  11. Object Number: 9106  Size: SH
  12. Remove the pilot bearing from the clutch shaft using the J 34011 .
  13. Remove the washer.
  14. Remove the left side carrier cover bolts.
  15. Remove the left side cover and seal assembly.
  16. Remove the carrier halves assembly bolts.

  17. Object Number: 9029  Size: SH
  18. Separate the carrier. Insert a screwdriver into the slots provided and pry in order to separate the carrier.
  19. Remove the differential case assembly.

  20. Object Number: 9031  Size: SH
  21. Remove the bolts and lock tabs from the side bearing adjuster sleeves.
  22. Remove the bearing cups and sleeves from the carrier.

  23. Object Number: 533981  Size: SH
  24. Turn the left sleeve until the cup is pushed out of the carrier using the J 42213 .

  25. Object Number: 526751  Size: SH
  26. Turn the right sleeve until the cup is pushed out of the carrier using the J 33792 .

  27. Object Number: 8700  Size: SH
  28. Remove the bearing from the right adjuster sleeve using the J 21551 .

  29. Object Number: 537196  Size: SH
  30. Remove the bearing from the left adjuster sleeve using the J 36611 .

  31. Object Number: 9225  Size: SH
  32. Remove the pinion yoke nut and washer using the J 8614-01 .

  33. Object Number: 8701  Size: SH
  34. Mount the left carrier case half and drive the pinion out of the carrier using the J 33837 -1 and the J 33837-3.
  35. Remove the pinion yoke and the deflector.
  36. Remove the pinion with the spacer and the pinion bearing and shim.
  37. Remove the spacer from the pinion.

  38. Object Number: 210154  Size: SH
  39. Remove the bearing from the pinion using a press and the J 22912-B .
  40. Remove the shim.
  41. Remove the outer pinion bearing, the seal and the cup using the J 33837 -1, the J 33837-3 and the J 33837-6.
  42. 30.1. Insert the J 33837-6 into the pinion bore.
    30.2. Thread the forcing screw (J 33837-3) into the J 33837-6.
    30.3. In order to pull the parts from the case, turn the forcing screw.

    Object Number: 9036  Size: SH
  43. Remove the inner bearing cup by pushing out using the J 33837 -1, the J 33837-3 and the J 33837-6.
  44. Remove the differential pinion bolt and shaft from the differential case.
  45. Remove the differential pinion gears and the thrust washers.
  46. Remove the side gears and the thrust washers. Mark the side gears and case for reinstallation in the original location.
  47. Remove the ring gear mounting bolts.
  48. Remove the ring gear. Drive the gear off using a brass drift and hammer. Do not pry between the ring gear and the case.

  49. Object Number: 526353  Size: SH
  50. Remove the side bearings using the J 22888-20A and the J 8107-2 .

  51. Object Number: 3094  Size: SH
  52. Remove the case bushing using the J 33791 -1 and the J 33791-2.