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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1670 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions - Off Vehicle (1 Of 3)) >> Automatic Transmission Flex Plate Cleaning and Inspection

Automatic Transmission Flex Plate Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Ring Gear Teeth
    GM1658199Courtesy of GENERAL MOTORS CORP.
  1. Clean the flex plate in solvent.
    2. WARNING: Refer to Safety Glasses and Compressed Air Warning .
  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)
      • NOTE: 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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