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Home >> GMC >> 2003 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 521 (Engine Mechanical (Repair Instructions -- 2 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 2) >> Engine Flywheel Cleaning and Inspection

Engine Flywheel Cleaning and Inspection

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  1. Clean the flywheel in solvent.
  2. Dry the flywheel with compressed air.
  3. Inspect the automatic transmission flywheel for the following conditions:
    • Damaged ring gear teeth
    • Stress cracks around the flywheel-to-crankshaft bolt hole locations
      • IMPORTANT: Do not attempt to repair the welded areas that retain the ring gear to the flywheel plate. Install a new flywheel.
    • Welded areas that retain the ring gear onto the flywheel for cracking
    4. Fig 1: View Of Engine Flywheel & Bolt
    GM178458Courtesy of GENERAL MOTORS CORP.
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