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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 920 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Control Valve Body Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Positioning Control Valve Assembly To Engage Manual Selector Valve Pin
    GM1633294Courtesy of GENERAL MOTORS CORP.
  1. Move the control valve assembly (4) into position under the transmission case. Engage the pin (1) in the manual selector valve (2) into the slot in the detent lever (3).
    2. Fig 2: Aligning Control Valve Assembly With Locating Pins
    GM1633292Courtesy of GENERAL MOTORS CORP.
  2. Align control valve assembly (1) with the locating pins (2) in the transmission case. Seat the control valve assembly against the transmission case and hold the position.
    3. Fig 3: Control Valve Assembly Bolts
    GM1633290Courtesy of GENERAL MOTORS CORP.
  3. Install one bolt marked (1) to hold the control valve assembly in place.
    4. NOTE: Refer to Fastener Notice .
  4. Reinstall the remaining 10 bolts marked (1) and 4 bolts marked (2) that fasten the control valve assembly to the transmission case.

    Tighten:  Tighten the bolts to 12 N.m (108 lb in).

    5. Fig 4: Identifying Transmission Main Electrical Connector
    GM1633296Courtesy of GENERAL MOTORS CORP.
  5. Push the transmission main connector outward through the hole in the transmission case until the retaining feet on the connector are nearing the locked position.
    6. Fig 5: Using J 44247 To Seat Transmission Connector
    GM1633298Courtesy of GENERAL MOTORS CORP.
  6. Use the J 44247  to complete the seating of the retaining feet that lock the connector (1) into the transmission case. See Special Tools .
    7. Fig 6: Detent Spring Assembly
    GM1633286Courtesy of GENERAL MOTORS CORP.
  7. Install the detent spring assembly (2) onto the control valve assembly. Confirm that the roller of the detent spring assembly rests on the detent lever (1).
  8. Attach the IMS connector on the internal harness to the IMS.
  9. Install 2 detent spring bolts (3).

    Tighten:  Tighten the bolts to 12 N.m (108 lb in).

  10. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement .
  11. Connect the external wiring harness to the transmission main connector.
    12. IMPORTANT: The FastLearn, adapt, procedure must be performed. This can be done in 1 step using a scan tool. If this procedure is not done, the TCM adaptive values will be at the settings that it learned for the old components and will be in slow adaptive mode. Under these conditions, it will take an unacceptably long time for the adaptive values to converge to levels suitable for the new transmission.
  12. Perform the FastLearn procedure. Refer to FastLearn Procedure .
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