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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: TCC Solenoid (With O-Ring Seal) And Wiring Harness
    GM2035537Courtesy of GENERAL MOTORS CORP.
  1. Install the wiring harness and TCC solenoid assembly (66) with a new O-ring seal to the transmission.
  2. Install the pass-through electrical connector to the transmission case.
    3. Fig 2: View Of TCC Solenoid Bolts & Valve Body Bolts
    GM298139Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install the valve body bolts which retain the internal wiring harness and install the TCC solenoid retaining bolts.
    1. Tighten the control valve body retaining bolts to 11 N.m (97 lb in).
    2. Tighten the TCC solenoid retaining bolts to 11 N.m (97 lb in).
    4. Fig 3: Exploded View Of Solenoid Components
    GM2041450Courtesy of GENERAL MOTORS CORP.
    CAUTION: Be sure all solenoids are installed with the electrical connectors facing the non-machined (cast) side of the valve body; otherwise, the solenoids will bind against the transmission case as the valve body bolts are tightened and damage may occur.
  4. Install the following items:
    1. The actuator feed limit valve (374)
    2. The actuator feed limit valve spring (375)
    3. The bore plug (376)
    4. The bore plug retainer (395)
    5. The pressure control solenoid (377)
    6. The solenoid retainer (378)
    7. The solenoid retainer bolt (364)

      Tighten the solenoid retainer bolt to 11 N.m (97 lb in)

    5. Fig 4: View Of TCC PWM Solenoid & Retainer
    GM298154Courtesy of GENERAL MOTORS CORP.
  5. Install the TCC PWM solenoid to the control valve body.
  6. Install the TCC PWM solenoid retainer.
    7. Fig 5: Identifying Electrical Connectors
    GM2035534Courtesy of GENERAL MOTORS CORP.
  7. Connect all the internal wiring harness electrical connectors to the electrical components (1-6).
  8. Install the 1-2 accumulator. Refer to Accumulator Assembly, Spacer Plate, and Gaskets .
    9. Fig 6: View Of Transmission Harness 20-Way Connector
    GM173661Courtesy of GENERAL MOTORS CORP.
  9. Connect the transmission harness 20 way connector to the transmission pass-through connector.

    Align the arrows on each half of the connector and insert straight down.

  10. Install the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement .
  11. Lower the vehicle.
  12. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .
    13. NOTE: It is recommended that transmission adaptive pressure (TAP) information be reset.
    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, the engine control module (ECM), powertrain control module (PCM) or transmission control module (TCM) will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  13. Reset the TAP values. Refer to Transmission Adaptive Functions (TCM) .
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