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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Shaft Seal Replacement - Inner >> Removal Procedure

Removal Procedure

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  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 AXLE W/O JL4, 9.5 INCH AXLE)  or REAR AXLE SHAFT REPLACEMENT (8.6 INCH AXLE W/JL4)  or REAR AXLE SHAFT REPLACEMENT (9.75 INCH AXLE)  .
    Fig 1: Removing Rear Axle Shaft Seal - Inner (1 Of 4)
    G01456074Courtesy of GENERAL MOTORS CORP.
  4. Remove the differential assembly. Refer to DIFFERENTIAL REPLACEMENT (8.6 INCH, 9.5 INCH AXLES)  or DIFFERENTIAL REPLACEMENT (9.75 INCH AXLE)  or DIFFERENTIAL REPLACEMENT (10.5 INCH AXLE)  .
  5. Install the smallest expanding driver (3) and the small driving washer (1) onto the expander assembly (2).
  6. Align the separation lines between the expanding driver and the expander assembly.
    Fig 2: Removing Rear Axle Shaft Seal - Inner (2 Of 4)
    G01456075Courtesy of GENERAL MOTORS CORP.
  7. Assemble the expander assembly (2) onto the driver bar extension (1).
  8. Assemble the drive bar extension on to the driver bar.
    Fig 3: Removing Rear Axle Shaft Seal - Inner (3 Of 4)
    G01456076Courtesy of GENERAL MOTORS CORP.
  9. Insert the J 33049  into the axle tube and through the axle shaft seal.
  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.
    Fig 4: Removing Rear Axle Shaft Seal - Inner (4 Of 4)
    G01456077Courtesy of GENERAL MOTORS CORP.
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