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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Engine Mechanical - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Flywheel Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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  1. Fig 1: Identifying Engine Flywheel Inspection Areas
    GM1467765Courtesy of GENERAL MOTORS COMPANY

    Inspect the manual transmission engine flywheel for the following conditions:

    • Missing and/or damaged alignment pins (1)
    • Damaged threaded holes (2)
    • Pitted surface (3)
    • Scoring or grooves (4)
    • Rust or other surface damaged (5)
    • Damaged ring gear teeth (6)
    • Loose or improperly positioned ring gear

      The ring gear has an interference fit onto the engine flywheel and should be positioned completely against the flange of the engine flywheel (7).

  2. Replace the engine flywheel as necessary.