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Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Flex Plate
    GM1602759Courtesy of GENERAL MOTORS CORP.
  1. Clean the flex plate in solvent.
  2. Dry the flex plate with compressed air.
  3. Inspect the flex plate for the following conditions:
    • Damaged ring gear teeth (1)
    • Stress cracks around the flex plate-to-crankshaft bolt hole locations (2)
      • IMPORTANT: Do not attempt to repair the welded areas that retain the ring gear to the flex plate plate. Install a new flex plate.
    • Welded areas (3) that retain the ring gear onto the flex plate for cracking
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