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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1675 (Engine Mechanical - 3.1L V6 - VIN (J)) >> Repair Instructions >> On-Vehicle repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Entirely coat the new crankshaft rear oil seal with engine oil.
  2. Install the crankshaft rear oil seal onto the J 34686. 
  3. Install the J 34686  onto the rear of the crankshaft. Hand tighten the screws in order to ensure the seal will be installed squarely over the crankshaft.
  4. Install the crankshaft rear oil seal to the crankshaft.
    Fig 1: Installing Crankshaft Rear Oil Seal Using J 34686
    G01967984Courtesy of GENERAL MOTORS CORP.
  5. Tighten the wing nut on the J 34686  until it bottoms.
  6. Remove the J 34686  from the crankshaft.
  7. Install the engine flywheel. Refer to ENGINE FLYWHEEL REPLACEMENT  .
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