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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Crankshaft Rear Oil Seal Notches
    GM31379Courtesy of GENERAL MOTORS CORP.
  1. Remove the flywheel. Refer to Engine Flywheel Replacement .
  2. Insert a flat-tipped screwdriver into the access notches and carefully pry the seal from the housing.
  3. Discard the seal.
  4. Clean off any dirt or rust in the area.