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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (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 Safari and 2003 Chevrolet Astro. 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.

    Fig 1: Removing Crankshaft Rear Oil Seal Housing
    G01643859Courtesy 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.
    Fig 2: Removing Crankshaft Rear Oil Seal Housing, Nut And Bolts
    G01643860Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft rear oil seal housing gasket.
    Fig 3: Removing Crankshaft Rear Oil Seal Housing Gasket
    G01643861Courtesy 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.
    Fig 4: Removing Crankshaft Rear Oil Seal Housing Retainer Stud From Engine Block
    G01643862Courtesy of GENERAL MOTORS CORP.