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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 5.7L (LS6)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Flywheel Cleaning and Inspection

Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: In order to maintain the proper component balance, contact surface taper, and heat transfer, manual transmission flywheels are NOT to be machined.
  1. Clean the flywheel in solvent.
  2. CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  3. Dry the flywheel with compressed air.
  4. Inspect the manual transmission flywheel for loose or improperly installed balance weights.

    A properly installed balance weight should be installed until flush or below flush with the face of the flywheel.

    Fig 1: Identifying Manual Transmission Flywheel Balance Weights
    GM1199289Courtesy of GENERAL MOTORS CORP.
  5. Fig 2: Identifying Manual Transmission Flywheel Wear & Damage
    GM1199314Courtesy of GENERAL MOTORS CORP.
  6. Inspect the manual transmission flywheel for the following conditions:
    • Pitted surface (1)
    • Grooved or scored surface (2)
    • Rusted surface (3)
    • Damaged ring gear teeth (4)
    • Loose or improperly positioned ring gear

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

    • Missing, bent, or damaged pressure plate locating pins

      The 2 locating pins are installed into the flywheel and spaced 170 degrees apart to ensure proper orientation of the clutch pressure plate to the engine flywheel during assembly.