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Home >> Chevrolet >> 2007 >> Avalanche 5.3 3 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L, 5.3L, 6.0L And 6.2L (4 Of 5) >> Off-Vehicle Repair Instructions (2 Of 3) >> Automatic Transmission Flex Plate Cleaning and Inspection

Automatic Transmission Flex Plate Cleaning and Inspection

    Fig 1: View Of Ring Gear Teeth
    GM1658199Courtesy of GENERAL MOTORS CORP.
  1. Clean the flex plate in solvent.
    2. CAUTION: Refer to Safety Glasses and Compressed Air Caution .
  2. Dry the flex plate with compressed air.
  3. Inspect the flex plate for the following conditions:
    • Damaged ring gear teeth (1)
    • Stress cracks around the flex plate-to-crankshaft bolt hole locations (2)
      • IMPORTANT: Do not attempt to repair the welded areas that retain the ring gear to the flex plate. Install a new flex plate.
    • Welded areas (3) that retain the ring gear onto the flex plate for cracking
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