GM Service Manual Online
For 1990-2009 cars only
  1. Clean the flex plate in solvent.
  2. Caution: Wear safety glasses in order to avoid eye damage.

  3. Dry the flex plate with compressed air.

  4. Object Number: 381965  Size: SH
  5. Inspect the flex plate for the following conditions:
  6. • Stress cracks around the flex plate-to-torque converter mounting bolt hole locations (1) and/or flex plate-to-crankshaft (2, 3)

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

    • Cracks at welded areas that retain the ring gear onto the flex plate (4)
    • Damaged or missing ring gear teeth (5)