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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (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 2003 GMC Savana and 2003 Chevrolet Chevy Express. 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. Discard the crankshaft rear oil seal.
    Fig 1: Removing Crankshaft Rear Oil Seal
    G02078026Courtesy of GENERAL MOTORS CORP.
  3. Remove the crankshaft rear oil seal housing nut and bolts.
  4. Remove the crankshaft rear oil seal housing.
    Fig 2: Removing Nut, Bolts & Crankshaft Rear Oil Seal Housing
    G02078027Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft rear oil seal housing gasket.
  6. Discard the crankshaft rear oil seal housing gasket.
    Fig 3: Removing Crankshaft Rear Oil Seal Housing Gasket
    G02078028Courtesy of GENERAL MOTORS CORP.
  7. Remove the crankshaft rear oil seal housing retainer stud from the engine block.
    Fig 4: Removing Crankshaft Rear Oil Seal Housing Retainer Stud
    G02078029Courtesy of GENERAL MOTORS CORP.