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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 3.6L (LGX) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Automatic Transmission Flex Plate Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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    Fig 1: Identifying Engine Flywheel Inspection Areas
    GM1871074Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the flex plate for the following conditions:
    • Stress cracks around the flex plate-to-torque converter mounting bolt hole locations (1) and/or flex plate-to-crankshaft (2, 4)
    • NOTE:

      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 (3)
    • Damaged or missing ring gear teeth (5)
  2. Replace the flex plate as necessary.