LEMON Manuals: Even more car manuals for everyone
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 >> Removal Procedure

Removal 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.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transmission oil pan and the filter. Refer to Automatic Transmission Fluid and Filter Replacement .
    3. Fig 1: View Of Transmission Harness 20-Way Connector
    GM173659Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the transmission harness 20 way connector from the transmission internal harness pass-through connector.

    Depress both tabs on the connector and pull straight up. Do not pry the connector.

    4. NOTE: Removal of the valve body is not necessary for the following procedure.
  4. Remove the 1-2 accumulator assembly. Do not remove the spacer plate. Refer to Accumulator Assembly, Spacer Plate, and Gaskets .
    5. Fig 2: Identifying Electrical Connectors
    GM2035534Courtesy of GENERAL MOTORS CORP.
  5. Disconnect all the internal wiring harness electrical connectors from the electrical components (1-6).
    6. Fig 3: View Of TCC PWM Solenoid & Retainer
    GM298154Courtesy of GENERAL MOTORS CORP.
  6. Remove the TCC PWM solenoid retainer.
  7. Remove the TCC PWM solenoid in order to access one of the TCC solenoid retaining bolts.
    8. Fig 4: Identifying TCC Solenoid Retaining Bolts
    GM2035536Courtesy of GENERAL MOTORS CORP.
  8. Remove the TCC solenoid bolts (68).
    9. Fig 5: TCC Solenoid (With O-Ring Seal) And Wiring Harness
    GM2035537Courtesy of GENERAL MOTORS CORP.
  9. Remove the TCC solenoid and wiring harness (66).

    Turn the wiring harness over so the wiring harness hangs down.

    10. Fig 6: Exploded View Of Solenoid Components
    GM2041450Courtesy of GENERAL MOTORS CORP.
  10. Remove the solenoid retainer bolt (36A) and the solenoid retainer (378).
  11. Remove the pressure control solenoid (377).

    Note the orientation upon removal.

    12. Fig 7: View Of TCC Solenoid Bolts & Valve Body Bolts
    GM298139Courtesy of GENERAL MOTORS CORP.
  12. Remove the TCC solenoid retaining bolts and the valve body bolts which retain the internal wiring harness.
    13. Fig 8: TCC Solenoid (With O-Ring Seal) And Wiring Harness
    GM2035537Courtesy of GENERAL MOTORS CORP.
  13. Using J 28458  , release the pass-through electrical connector from the transmission case.
    1. Use the small end of the J 28458  over the top of the connector.
    2. Twist in order to release the 4 tabs retaining the connector.
    3. Pull the harness connector down through the transmission case.
  14. Remove the TCC solenoid (with O-ring seal) and wiring harness assembly (66) from the transmission case.
  15. Inspect the TCC solenoid and wiring harness assembly for the following defects:
    • Damage
    • Cracked connectors
    • Exposed wires
    • Loose pins
scientia non olet · About LEMON Manuals