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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Repair Instructions >> Torque Converter Replacement >> Removal Procedure

Removal Procedure

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  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: Installing J 21366 To Restrain Torque Converter
    GM1660894Courtesy 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. See Special Tools .
    Fig 2: Installing J 46409 Into Torque Converter Lugs
    GM1660895Courtesy 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.
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