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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal and Housing Removal

Crankshaft Rear Oil Seal and Housing Removal

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 crankshaft rear oil seal from the crankshaft rear oil seal housing.

    Insert a suitable tool into the access notches and then carefully pry the crankshaft rear oil seal from the crankshaft rear oil seal housing.

    2. Fig 1: Crankshaft Rear Oil Seal Notches
    GM31379Courtesy of GENERAL MOTORS CORP.
  2. Discard the crankshaft rear oil seal.
  3. Remove the crankshaft rear oil seal housing nut and bolts.
  4. Remove the crankshaft rear oil seal housing.
    5. Fig 2: Removing Crankshaft Rear Oil Seal Housing
    GM334317Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft rear oil seal housing gasket.
    6. Fig 3: Removing Crankshaft Rear Oil seal Housing Gasket
    GM334319Courtesy of GENERAL MOTORS CORP.
  6. Discard the crankshaft rear oil seal housing gasket.
  7. Remove the crankshaft rear oil seal housing retainer stud from the engine block.
    8. Fig 4: Removing Crankshaft Rear Oil Seal Housing Retainer Stud
    GM334326Courtesy of GENERAL MOTORS CORP.
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