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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 403 (AUTOMATIC TRANSMISSION - ALLISON (INTRODUCTION, SERVICE & REPLACEMENT))REPAIR INSTRUCTIONSTORQUE CONVERTER REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission from the vehicle. Refer to Transmission Replacement (With 6.6L Engine)  or Transmission Replacement (With 8.1L (L18) Engine) .
  2. Install J 21366 to restrain the torque converter.
    Fig 1: Restraining The Torque Converter
    GM712977Courtesy of GENERAL MOTORS CORP.
  3. Install J 44723. Refer to Holding Fixture Installation.
  4. Position the transmission vertically with the torque converter end up.
  5. Remove J 21366 torque converter retaining bracket.
    6. IMPORTANT: The distance from the torque converter mounting lugs to the transmission mounting face is an important measurement. It is required to check correct reassembly of the torque converter.
  6. Measure from the mounting lugs to the transmission mounting face.
  7. Install J 46409  180 degrees apart into 2 lugs on the front of the torque converter.
    Fig 2: Installing J 46409 180 Degrees Apart Into 2 Lugs On The Front Of The Torque Converter
    GM1200608Courtesy of GENERAL MOTORS CORP.
    8. CAUTION: Avoid personal injury or property damage when removing or installing the torque converter by seeking an assistant to help lift the torque converter.
  8. Lift the torque converter free of the transmission and place it on the work table.
  9. Remove the lifting handles.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.