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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Mechanical - 4.6L (LH2) - Repair Instructions - Off Vehicle - 2 Of 3) >> Engine Flywheel Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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    Fig 1: Engine Flywheel Conditions
    GM1351903Courtesy of GENERAL MOTORS CORP.
  1. Inspect the engine flywheel for the following conditions:
    • Stress cracks around the engine flywheel-to-torque converter mounting bolt hole locations (1) and/or engine flywheel-to-crankshaft (2, 4)
    • NOTE: Do not attempt to repair the welded areas that retain the ring gear to the engine flywheel plate. Install a new engine flywheel.
    • Cracks at welded areas that retain the ring gear onto the engine flywheel (3)
    • Damaged or missing ring gear teeth (5)
  2. Replace the engine flywheel as necessary.