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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 Replacement (4.8L, 5.3L, 6.0L V-8) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Tire/Wheel Assembly, Hub Assembly & Wheel Nuts
    GM656803Courtesy of GENERAL MOTORS CORP.
  1. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
    2. Fig 2: Removing/Installing Engine Protection Shield
    GM898127Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and Underbody.
  3. Drain the front differential. Refer to Lubricant Replacement - Front Drive Axle  .
    4. Fig 3: Identifying Wheel Speed Sensor Wiring Harness
    GM886518Courtesy of GENERAL MOTORS CORP.
  4. Remove the left and right antilock brake system (ABS) wiring harnesses from the retainers.
    5. Fig 4: Locating Connector
    GM886517Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the left and right wheel speed sensor electrical connectors.
    6. Fig 5: Brake Hose Retaining Bolt
    GM886462Courtesy of GENERAL MOTORS CORP.
  6. Remove the brake hose retaining bolt from the frame. Left shown, right similar.
    7. Fig 6: Disconnecting/Reconnecting Sway Bar Links From Lower Control Arms
    GM887945Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the sway bar link pins from the lower control arms. Right shown, left similar.
    8. Fig 7: View Of Power Steering Gear & Bolts
    GM687447Courtesy of GENERAL MOTORS CORP.
  8. Remove the steering gear. Refer to Power Steering Gear Replacement in Power Steering System.
  9. Place an adjustable jack stand under the lower control arm. Left shown, right similar.
    10. Fig 8: View Of Upper Control Arm To The Steering Knuckle Pinch Bolt And Nut
    GM731542Courtesy of GENERAL MOTORS CORP.
  10. Remove the upper ball joint pinch bolt and nut. Right shown, left similar.
  11. Remove the steering knuckle from the upper control arm. Left shown, right similar.
    12. Fig 9: Upper Shock Module Retaining Nuts
    GM886764Courtesy of GENERAL MOTORS CORP.
  12. Remove the upper shock module bolts from the frame.
  13. Lower the jack stand to allow removal of the steering knuckle from the upper control arm.
  14. Remove the steering knuckle from the upper control arm.
    15. Fig 10: Removing Left Wheel Drive Shaft From Front Differential
    GM751412Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: In the following service procedures, it is not necessary to remove the wheel drive shaft from the steering knuckles.
  15. Using a brass drift or equivalent, remove the left wheel drive shaft from the front differential.
    16. Fig 11: Removing Right Wheel Drive Shaft From Front Differential
    GM751411Courtesy of GENERAL MOTORS CORP.
  16. Using a brass drift or equivalent, remove the right wheel drive shaft from the front differential.
  17. Position the wheel drive shafts to the side.
    18. IMPORTANT: DO NOT allow the shock modules and steering knuckle to hang without supporting them.
  18. Using mechanics wire or metal hooks, secure the shock modules to the frame.
  19. Remove the jack stand.
    20. IMPORTANT: It is not necessary to completely remove the front propeller shaft from the vehicle.
  20. Remove the front propeller shaft from the front pinion yoke. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  21. Relocate the propeller shaft to the side and secure.
    22. Fig 12: Removing/Installing Inner Axle Shaft
    GM756293Courtesy of GENERAL MOTORS CORP.
  22. Remove the inner axle shaft. Refer to Inner Axle Shaft Replacement - Front Drive Axle  .
  23. Remove the mounting bolts for the front differential assembly.
  24. Remove the front differential assembly from the oil pan.
    25. Fig 13: Securing Front Differential To Frame
    GM893104Courtesy of GENERAL MOTORS CORP.
  25. Secure the front differential to the frame.
    26. Fig 14: Removing/Installing Oil Pan
    GM898133Courtesy of GENERAL MOTORS CORP.
  26. Remove the oil pan assembly. Refer to Oil Pan Replacement in Engine Mechanical - 5.3L.
    27. Fig 15: Removing/Installing Front Drive Axle
    GM893108Courtesy of GENERAL MOTORS CORP.
  27. Remove the front differential from the vehicle.
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