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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Drive Axle - 4WD >> Repair Instructions >> Differential Carrier Assembly - Disassemble >> Disassembly Procedure >> Tool Required

Tool Required

  1. Remove the left inner axle shaft.
  2. Remove the inner shaft seal cover and the seal.
  3. Remove the inner axle shaft seal by doing the following:
    1. 3.1. Install the inner axle shaft seal cover in a vise.
    2. 3.2. Install the J 29369-1 to the backside of the inner axle shaft seal.
    3. 3.3. Install the J 23907 to the J 29369-1.
    4. 3.4. Remove the inner axle shaft seal by pulling on the J 23907. 
  4. Remove the different carrier assembly bolts.
  5. Separate the left carrier case half from the right carrier case half by inserting a screwdriver into the slots provided and prying the case apart.
  6. Remove the differential case assembly.
  7. Remove the differential bearing adjuster nut lock bolts and the differential bearing adjuster nut locks.
    Fig 1: Differential Bearing Adjuster Nut Lock Bolts & Nut Locks
    G01643004Courtesy of GENERAL MOTORS CORP.
  8. Remove the left differential bearing adjuster and the differential case bearing cup by doing the following:
    1. 8.1. Install the J 42213 onto the differential bearing adjuster nut.
      Fig 2: Installing J 42213 Onto Differential Bearing Adjuster Nut
      G01643005Courtesy of GENERAL MOTORS CORP.
    2. 8.2. Turn the J 42213 clockwise in order to remove the differential bearing cup out of the bore.
  9. Remove the right differential bearing adjuster and the differential case bearing cup by doing the following:
    1. 9.1. Install the J 33792 onto the differential bearing adjuster nut.
      Fig 3: Installing J 33792 Onto Differential Bearing Adjuster Nut
      G01643006Courtesy of GENERAL MOTORS CORP.
    2. 9.2. Turn the j 33792 clockwise in order to remove the differential case baring cup out of the bore.
  10. Remove the left inner axle shaft bearing using the J 3611 (2) and the J 8092 (1).
    Fig 4: Removing Left Inner Axle Shaft Bearing Using J 3611 & J 8092
    G01643007Courtesy of GENERAL MOTORS CORP.
  11. Remove the right inner shaft bearing using the J 21551 (2) and the J 8092 (1)
    Fig 5: Removing Right Inner Shaft Bearing Using J 21551 & J 8092
    G01643008Courtesy of GENERAL MOTORS CORP.
  12. Install the J 8614-01 as shown.

    Remove the pinion nut while holding the J 8614-01.

    Fig 6: Removing Pinion Nut While Holding J 8614-01
    G01643009Courtesy of GENERAL MOTORS CORP.
  13. Remove the washer.
  14. Install the J 8614-2 (2) and the J8614-3 (3) into the J 8614-01 (1) as shown.
  15. Remove the pinion flange by turning the J 8614-3 (3) clockwise while holding the j 8614-01 (1).
    Fig 7: Removing Pinion Flange By Turning J 8614-3 Clockwise While Holding J 8614-01
    G01643010Courtesy of GENERAL MOTORS CORP.
  16. Remove the dust deflector from the pinion flange by doing the following:
    1. 16.1. Tap the deflector off the pinion flange.
    2. 16.2. Clean up the stake point on the pinion flange.
  17. Mount he left side differential carrier case in the J 33837.
  18. Install the J 33837-3
  19. While holding the J 33837-3, turn the nut sleeve of the J 33837-3 counterclockwise to remove the following components:
    • The drive pinion
    • The drive pinion selectable shim
    • The inner pinion bearing
    • The collapsible spacer
  20. Remove the collapsible spacer from the pinion.
    Fig 8: Removing Collapsible Spacer From Pinion
    G01643011Courtesy of GENERAL MOTORS CORP.
  21. Remove the inner pinion bearing by installing the J 22912-01 between the pinion bearing and the pinion gear and pressing the bearing off the pinion.
    Fig 9: Inner Pinion Bearing
    G01643012Courtesy of GENERAL MOTORS CORP.
  22. Remove the pinion gear selectable shim.
  23. Install the J 33837-6 (2) onto the J 33837-3 between the inner and the outer pinion bearing cup.
  24. While holding the J 33837-3, turn the nut sleeve of the J 33837-1 clockwise in order to remove the following components:
    • The pinion oil seal
    • The pinion outer bearing
    • The pinion outer bearing cup
  25. Install the J33837-6 (2) onto the J 33837-3 on the inside surface of the outer bearing cup.
    Fig 10: Installing J33837-6 Onto J 33837-3 On Outer Bearing Cup Inside Surface
    G01643013Courtesy of GENERAL MOTORS CORP.
  26. While holding the J 33837-3, turn the nut sleeve of the J 33837-1 counterclockwise in order to press the inner pinion bearing cup out from the differential carrier case.
  27. Install the j 33791 onto the differential carrier assembly bushings.
    Fig 11: Installing J 33791 Onto Differential Carrier Assembly Bushings
    G01643014Courtesy of GENERAL MOTORS CORP.
  28. Remove the bushings using the J 33791.
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