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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 413 (Transfer Case - BW 4481-Nr3) >> Repair Instructions >> Transfer Case Output Shaft Seal Replacement - Front >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Cadillac Escalade EXT, 2004 Cadillac Escalade ESV, and 2004 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
    IMPORTANT: The front output shaft seal is a two piece internal seal. The inner seal race is a force fit on the front output shaft.
  4. Remove the front output shaft seal by inserting a flat-tipped screwdriver behind the inner race of the seal.
  5. Pry the inner seal race forward.
    6. Fig 1: Inserting Screwdriver Behind Inner Race of Front Output Shaft Seal
    GM819585Courtesy of GENERAL MOTORS CORP.
  6. Using a small pry bar, move the inner seal race forward on the front output shaft.
  7. Remove the inner seal race from the front output shaft.
    8. Fig 2: Removing Inner Seal Race From Front Output Shaft
    GM819650Courtesy 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. Remove the remaining part of the output shaft seal from the transfer case.
    10. Fig 3: Inserting Screwdriver Into Space Between Outer Race Seal Lip & Transfer Case
    GM819658Courtesy of GENERAL MOTORS CORP.
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