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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 557 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine flywheel. Refer to Engine Flywheel Replacement 

    Important:  Make sure not to damage the crankshaft outside diameter surface or chamfer with any tool.

  2. Remove the crankshaft rear oil seal. Insert a flat-bladed tool through the dust lip at an angle. Pry out the crankshaft rear oil seal by moving the handle of the tool towards the end of the crankshaft. Repeat as necessary around the crankshaft rear oil seal.
    Fig 1: Crankshaft Rear Oil Seal
    G01764316Courtesy of GENERAL MOTORS CORP.
  3. Inspect the inside diameter of the bore. Correct or replace the crankshaft rear oil seal housing as required.
  4. Inspect the crankshaft for nicks or burrs on the surface that contacts the crankshaft rear oil seal.
  5. Repair or replace the crankshaft if necessary.
    Fig 2: Crankshaft Rear Oil Seal Housing And Seal
    G01764317Courtesy of GENERAL MOTORS CORP.
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