GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 26252 Locking Differential Governor Remover

  1. Remove the differential assembly. Refer to Differential Replacement in Rear Drive Axle.
  2. Remove the ring gear. Refer to Drive Pinion and Ring Gear Replacement in Rear Drive Axle.
  3. Remove the differential side bearings. Refer to Differential Side Bearings Replacement in Rear Drive Axle.

  4. Object Number: 6341  Size: SH
  5. Remove the governor bushing using the J 26252 .
  6. Remove the governor assembly.
  7. To aid in the removal of the governor assembly, turn the side gear as necessary to position the governor assembly between two of the side gear teeth.


    Object Number: 6342  Size: SH
  8. Remove the latching bracket assembly bushing using the J 26252 .
  9. To aid in the removal of the latching bracket assembly, turn the side gear as necessary to position the latching bracket assembly between two of the side gear teeth.

  10. Remove the pinion shaft lock bolt.
  11. Remove the pinion shaft.
  12. Remove the differential pinion gears and the thrust washers.
  13. Rotate the pinion gears and roll the pinion gears and the thrust washers out of the case through the differential window.

    Mark the pinion gears and thrust washers accordingly for re-assembly.

  14. Remove the thrust block.
  15. Remove the right side gear and clutch discs assembly.
  16. Remove the right side shim.

  17. Object Number: 790759  Size: SH
  18. Remove the left side gear cam unit and clutch disc assembly.

  19. Object Number: 790754  Size: SH
  20. Remove the left side gear thrust washer.
  21. Disassemble the differential side gear and clutch disc assembly. Refer to Locking Differential Clutch Disc Assembly Disassemble .
  22. Disassemble the locking differential cam unit and clutch disc assembly. Refer to Locking Differential Cam Unit Disassemble .