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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 962 (Engine Mechanical - 6.6L (3 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 4) >> Engine Flywheel Cleaning and Inspection

Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Flywheel Inspection Areas
    GM663136Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: In order to maintain the proper component balance, contact surface taper, and heat transfer, manual transmission flywheels are NOT to be machined.
  1. Clean the flywheel assembly.
  2. Inspect the flywheel assembly for cracks or excessive wear on the teeth.
  3. Replace the flywheel assembly if any concerns exist.