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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 664 (Transfer Case - NVG 261-NP2 (2-Speed Manual)) >> Repair Instructions >> Transfer Case Output Shaft Seal Replacement - Front >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the transfer case shield from the crossmember (if equipped). Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft from the vehicle. Refer to PROPELLER SHAFT REPLACEMENT - FRONT .
  4. Insert a flat-tipped screw driver in the inner race.
  5. Pry the inner race back.
    Fig 1: Prying Inner Race Back
    G01668826Courtesy of GENERAL MOTORS CORP.
  6. Insert a small pry bar in the inner race.

    Important:  When performing the following service procedure, the outer part of the seal will slightly move out of the transfer case with the inner part seal.

  7. Pry the inner part of the seal from the outer seal body.
    Fig 2: Prying Inner Part Of Seal From Outer Seal Body
    G01668827Courtesy of GENERAL MOTORS CORP.
  8. Remove the inner part of the seal.
    Fig 3: Removing Inner Part Of Seal
    G01668828Courtesy of GENERAL MOTORS CORP.
  9. Insert a flat-tipped screw driver or small pry bar in the space between the outer race of the seal and the transfer case.
  10. Pry the outer race out of the transfer case.
    Fig 4: Prying Outer Race Out Of Transfer Case
    G01668829Courtesy of GENERAL MOTORS CORP.
  11. Remove the outer part of the seal.
    Fig 5: Removing Outer Part Of Seal
    G01668830Courtesy of GENERAL MOTORS CORP.
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