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Home >> GMC >> 2013 >> Yukon Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1101 (Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Control Solenoid Valve and Transmission Control Module Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Filter Plate Assembly
    GM1758098Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Inspect the 4 filter plate retaining tabs on the control solenoid valve assembly. A broken or missing tab may not adequately secure the filter plate to the control solenoid valve assembly.
  1. Install a NEW filter plate assembly (1).
    2. Fig 2: View Of Control Solenoid Valve Assembly Bolts
    GM1758104Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note the locator pin on the control valve lower body assembly.
  2. Align the control solenoid valve assembly (1) to the control valve lower body assembly.
  3. Install the 2 bolts (2), through the "heat sink" side of the control solenoid valve assembly (1). Hand tighten only.
    4. Fig 3: View Of Bolts
    GM1758109Courtesy of GENERAL MOTORS CORP.
  4. Install the 4 bolts (1) and 5 bolts (2) securing the control solenoid valve assembly to the control valve lower body assembly. Hand tighten only.
    5. Fig 4: View Of Manual Shift Shaft Position Switch Assembly
    GM1758114Courtesy of GENERAL MOTORS CORP.
  5. Install the manual shift shaft position switch assembly (1). Align the switch activator slide with the manual valve link. Secure with 1 bolt (3). Hand tighten only.
    6. IMPORTANT: The wiring harness clip (4) on the manual shift shaft position switch does not need to be replaced if damaged or missing. The clip functions only as a manufacturing assembly aid to keep the harness clear during an automated bolt installation process. If the clip is damaged, simply remove and discard.
  6. Connect and lock the manual shift shaft position switch electrical connector (5) to the control solenoid valve assembly and attach the wiring harness clip (4).
    7. Fig 5: Bolt Tightening Sequence
    GM1758116Courtesy of GENERAL MOTORS CORP.
  7. Install the 5 remaining bolts (1) and 1 remaining bolt (2). Hand tighten only.
    8. Fig 6: Bolt Tightening Sequence
    GM1758118Courtesy of GENERAL MOTORS CORP.
    NOTE: Bolt torque sequencing is critical to the proper function of the control solenoid valve assembly. Failure to follow the required sequencing may result in transmission malfunction.
    NOTE: Refer to Fastener Notice .
  8. Tighten all bolts in the sequence shown. The 2 "heat sink" bolts (17,18) must be tightened last.

    Tighten:  Tighten bolts to 8 N.m (6 lb ft).

    9. Fig 7: View Of Control Solenoid Valve Assembly
    GM1754911Courtesy of GENERAL MOTORS CORP.
  9. Inspect the contact area between the "heat sink" area of the control solenoid valve assembly (1) and the valve body. There should be no visible gap. If a gap exists, loosen all 18 bolts and retighten in the sequence shown.
    10. Fig 8: View Of Output Speed Sensor Wiring Harness
    GM1758854Courtesy of GENERAL MOTORS CORP.
  10. Inspect the 2 input and output speed sensor wiring harness clips (1) for damage. Replace if damaged.
    11. Fig 9: View Of Speed Sensor Electrical Connector
    GM1758085Courtesy of GENERAL MOTORS CORP.
  11. Connect the speed sensor electrical connector (2) to the control solenoid valve assembly.
    12. Fig 10: Valve Body Assembly
    GM1685819Courtesy of GENERAL MOTORS CORP.
  12. Install the upper and lower control valve body assembly. Refer to Control Valve Lower Body and Upper Body Replacement .
  13. Install the electrical connector passage sleeve. Refer to Automatic Transmission Electrical Connector Passage Sleeve Replacement .
    14. Fig 11: View Of Transmission Oil Pan And Filter
    GM1649733Courtesy of GENERAL MOTORS CORP.
  14. Install the transmission oil pan and filter. Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement .
    15. IMPORTANT: After an internal transmission repair or internal part replacement, the Service Fast Learn Adapt procedure should be performed. Refer to Service Fast Learn Adapts .
  15. Reset the transmission TAP values. Refer to Service Fast Learn Adapts .
  16. Refer to Control Module References for programming and setup information.
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