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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1463 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly - Disassemble >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: Removing Differential Carrier Seal
    GM756153Courtesy of GENERAL MOTORS CORP.
  1. Install the J 29369-1  (2) and the J 2619-01  (1) to the inboard or oil pan side seal as shown. See Special Tools and Equipment .
  2. Remove the seal by pulling on the J 2619-01  (1). See Special Tools and Equipment .
  3. Install the J 29369-2  and the J 2619-01  to the outboard or wheel drive shaft side seal. See Special Tools and Equipment .
  4. Remove the seal by pulling on the J 2619-01  . See Special Tools and Equipment .
    5. Fig 2: Differential Carrier Case Half Bolts
    GM756967Courtesy of GENERAL MOTORS CORP.
  5. Remove the differential carrier case half bolts.
  6. Separate the differential carrier case assembly case halves.
    7. Fig 3: Removing/Installing Differential Case Assembly
    GM756973Courtesy of GENERAL MOTORS CORP.
  7. Remove the differential case assembly.
    8. Fig 4: Installing Left Side Differential Bearing Adjuster
    GM756160Courtesy of GENERAL MOTORS CORP.
  8. Install the J 42213  to the left side differential bearing adjuster. See Special Tools and Equipment .
    9. Fig 5: Removing Left Side Differential Bearing Adjuster
    GM756974Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The differential bearing adjusters are not interchangeable. Mark the adjusters accordingly.
  9. Remove the left side differential bearing adjuster using the J 42213  . See Special Tools and Equipment .

    Mark the adjuster.

    10. Fig 6: Removing/Installing Left Side Differential Bearing Cup
    GM756976Courtesy of GENERAL MOTORS CORP.
  10. Remove the left side differential bearing cup.
  11. Install the J 45224  to the right side differential bearing adjuster. See Special Tools and Equipment .
    12. Fig 7: Removing/Installing Right Differential Bearing Adjuster
    GM756949Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The differential bearing adjusters are not interchangeable. Mark the adjusters accordingly.
  12. Remove the right side differential bearing adjuster using the J 45224  . See Special Tools and Equipment . Mark the adjuster.
    13. Fig 8: Removing Right Side Differential Bearing Cup
    GM756971Courtesy of GENERAL MOTORS CORP.
  13. Remove the right side differential bearing cup.
    14. Fig 9: Measuring Pinion Rotation Torque - Front Axle
    GM157174Courtesy of GENERAL MOTORS CORP.
  14. Measure the rotating torque of the drive pinion using an inch-pound torque wrench. Record the measurement.
    15. Fig 10: Holding Pinion Flange Using Special Tool
    GM664065Courtesy of GENERAL MOTORS CORP.
  15. Install the J 8614-01  to the pinion yoke as shown. See Special Tools and Equipment .
  16. Remove the pinion nut while holding the J 8614-01  . See Special Tools and Equipment .
    17. Fig 11: Installing J 45234 To Left Differential Carrier Assembly Case Half
    GM767107Courtesy of GENERAL MOTORS CORP.
  17. Install the J 45234  to the left differential carrier assembly case half as shown. See Special Tools and Equipment .
  18. Remove the pinion yoke, the washer, and the drive pinion by turning the screw of the J 45234  clockwise. See Special Tools and Equipment .
    19. Fig 12: View Of Dust Deflector
    GM767106Courtesy of GENERAL MOTORS CORP.
  19. Remove the dust deflector from the pinion yoke with a soft-faced hammer.
    20. IMPORTANT: Carefully pry the seal from the bore. Do not distort or scratch the aluminum case.
  20. Remove the pinion oil seal using a suitable seal remover tool.
  21. Remove the outer pinion bearing.
    22. Fig 13: Removing Inner Pinion Bearing Using Hydraulic Press
    GM680110Courtesy of GENERAL MOTORS CORP.
  22. Install the J 22912-01  between the pinion bearing and the pinion gear as shown. See Special Tools and Equipment .
  23. Remove the inner pinion bearing using the J 22912-01  and a hydraulic press. See Special Tools and Equipment .
  24. Remove the pinion gear selectable shim.
    25. Fig 14: Installing J 45228-4 To Outer Pinion Bearing Cup
    GM767116Courtesy of GENERAL MOTORS CORP.
  25. Install the J 45228-4  to the outer pinion bearing cup as shown.
    26. Fig 15: Installing J 45228-1 & J45228-5 To J 45228-4
    GM767096Courtesy of GENERAL MOTORS CORP.
  26. Install the J 45228-1  (2) and the J 45228-5  (1) to the J 45228-4  .

    Seat the ridge of the J 45228-1  (2) into the outer pinion bearing cup bore.

  27. Remove the outer pinion bearing cup by turning the J 45228-5  (1) clockwise.
    28. Fig 16: Installing J 45228-4 To Inner Pinion Bearing Cup
    GM767115Courtesy of GENERAL MOTORS CORP.
  28. Install the J 45228-4  to the inner pinion bearing cup as shown.
    29. Fig 17: Installing J 45228-1 & J45228-5 To J 45228-4
    GM767108Courtesy of GENERAL MOTORS CORP.
  29. Install the J 45228-1  (1) and the J 45228-5  (2) to the J 45228-4  .
  30. Remove the outer pinion bearing cup by turning the J 45228-5  (2) clockwise.
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