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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1435 (Transfer Case - NVG 226-NP8) >> Repair Instructions >> Transfer Case Input Shaft Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inserting Flat-Bladed Screw Driver Between Input Shaft Seal & Transfer Case
    GM752678Courtesy of GENERAL MOTORS CORP.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement (TrailBlazer, Envoy)  .
    3. NOTE: Refer to Transfer Case Seal Removal Notice in Cautions and Notices.
    NOTE: Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component.
  3. Insert a flat-bladed screw driver between the input shaft seal and the transfer case.
    4. Fig 2: Prying Front Input Shaft Seal From Transfer Case
    GM752673Courtesy of GENERAL MOTORS CORP.
  4. Pry the front input shaft seal from the transfer case.
  5. Remove the front input shaft seal.
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