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Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the flexplate in solvent.
    2. CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  2. Dry the flexplate with compressed air.
    3. Fig 1: Flywheel Inspection Areas (Automatic Transmission)
    GM381965Courtesy of GENERAL MOTORS CORP.
  3. Inspect the flexplate for the following conditions:
    • Stress cracks around the flexplate-to-torque converter mounting bolt hole locations (1) and/or flexplate-to-crankshaft (2, 3)
      • IMPORTANT: Do not attempt to repair the welded areas that retain the ring gear to the flexplate plate. Install a new flexplate.
    • Cracks at welded areas that retain the ring gear onto the flexplate (4)
    • Damaged or missing ring gear teeth (5)
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