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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 905 (Engine Mechanical - 2.2L (LN2)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. 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  .
    NOTE: Do not damage the crankshaft surface when prying out the crankshaft rear oil seal.
  2. Remove the crankshaft rear oil seal. Pry the crankshaft rear oil seal out with a suitable pry tool.
  3. Clean the crankshaft rear oil seal to engine block mating surface.
  4. Inspect the following areas:
    • Inspect the seal bore for nicks
    • Inspect the seal bore for burrs
    • Inspect the seal mating surface on the crankshaft for nicks
      Fig 1: Removing Crankshaft Rear Oil Seal
      G01977050Courtesy of GENERAL MOTORS CORP.
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