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Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the axle shafts. Refer to Rear Axle Shaft Replacement (8.6 Inch, 9.5 Inch Axles)  or Rear Axle Shaft Replacement (9.75 Inch Axle) .
  4. Remove the differential assembly. Refer to Differential Replacement (8.6 Inch, 9.5 Inch Axles) , Differential Replacement (9.75 Inch Axle)  or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .
  5. Install the smallest expanding driver (3) and the small driving washer (1) onto the expander assembly (2).
    6. Fig 1: Small Driving Washer, Expander Assembly & Expanding Driver
    GM820545Courtesy of GENERAL MOTORS CORP.
  6. Align the separation lines between the expanding driver and the expander assembly.
    7. Fig 2: Expanding Driver Separation Lines
    GM820542Courtesy of GENERAL MOTORS CORP.
  7. Assemble the expander assembly (2) onto the driver bar extension (1).
    8. Fig 3: Expander Assembly & Driver Bar Extension
    GM820546Courtesy of GENERAL MOTORS CORP.
  8. Assemble the drive bar extension onto the driver bar.
  9. Insert the J 33049  into the axle tube and through the axle shaft seal.
    10. Fig 4: J 33049
    GM820541Courtesy of GENERAL MOTORS CORP.
  10. While holding the expander assembly nut, turn the driving bar clockwise until the expanding driver is snug against the axle shaft seal.
  11. Drive out the seal using the J 33049  and a hammer.
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