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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Flywheel Cleaning and Inspection

Engine Flywheel Cleaning and Inspection

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  1. Clean the flywheel in solvent.
  2. Dry the flywheel with compressed air.
  3. Inspect the automatic transmission flywheel for the following conditions:
    • Damaged ring gear teeth
    • Stress cracks around the flywheel-to-crankshaft bolt hole locations

    Important:  Do not attempt to repair the welded areas that retain the ring gear to the flywheel plate. Install a new flywheel.

    • Welded areas that retain the ring gear onto the flywheel for cracking
      Fig 1: Cleaning & Inspecting Engine Flywheel
      G02078815Courtesy of GENERAL MOTORS CORP.