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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> 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 Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission assembly. Refer to REMOVAL (4L60-E) .
  2. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
  3. 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.

  4. Discard the crankshaft rear oil seal.
  5. Clean off any dirt or rust in the area.
    Fig 1: Removing Crankshaft Rear Oil Seal
    G02077914Courtesy of GENERAL MOTORS CORP.
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