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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 830 (Transfer Case - BW 4481-Nr3) >> Repair Instructions >> Transfer Case Output Shaft Seal Replacement - Front >> Removal Procedure

Removal Procedure

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  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.
    Fig 1: Removing Front Output Shaft Seal
    G01456424Courtesy 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.
    Fig 2: Removing Inner Seal Race From Front Output Shaft
    G01456425Courtesy 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.
    Fig 3: Removing Remaining Part Of Output Shaft Seal From Transfer Case
    G01456426Courtesy of GENERAL MOTORS CORP.
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