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Home >> Chevrolet >> 2000 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Engine Mechanical - 4.3L (LU3)) >> 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 Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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: View of Crankshaft Rear Oil Seal
    G01977779Courtesy 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 Crankshaft Rear Oil Seal Housing
    G01977780Courtesy 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
    G01977781Courtesy 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
    G01977782Courtesy of GENERAL MOTORS CORP.
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