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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1007 (Transfer Case - NVG 149-NP3) >> Repair Instructions >> Transfer Case Output Shaft Seal Replacement - Front >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  2. Remove the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  3. Insert a flat-tipped screw driver into the inner race.
  4. Pry the inner race back.
    5. Fig 1: Prying Inner Race
    GM749439Courtesy of GENERAL MOTORS CORP.
  5. Insert a small pry bar into 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.
  6. Pry the inner part of the seal from the outer seal body.
    7. Fig 2: Prying Seal Inner Part From Outer Seal Body
    GM749435Courtesy of GENERAL MOTORS CORP.
  7. Remove the inner part of the seal.
    8. Fig 3: Removing Inner Part Of Seal
    GM749436Courtesy of GENERAL MOTORS CORP.
  8. Insert a flat-tipped screwdriver or small pry bar into the space between the lip of the outer race of the seal and the transfer case.
  9. Pry the outer race out of the transfer case.
    10. Fig 4: Inserting Screwdriver Between Front Output Shaft Seal Outer Lip & Transfer Case
    GM749437Courtesy of GENERAL MOTORS CORP.
  10. Remove the outer part of the seal.
    11. Fig 5: Removing Outer Part Of Seal
    GM749438Courtesy of GENERAL MOTORS CORP.
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