LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1849 (Engine Mechanical - 5.3L, 6.0L & 6.2L - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Automatic Transmission Flex Plate Cleaning and Inspection

Automatic Transmission Flex Plate Cleaning and Inspection

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ring Gear Teeth
    GM1658199Courtesy of GENERAL MOTORS CORP.
  1. Clean the flex plate in solvent.
  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