C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Torque Converter Clutch Solenoid: Service and Repair
4L60-E/4L65-E
4L60-E/4L65-E
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid, TCC Solenoid, and Wiring Harness
*
Tools Required
-
J 28458 Seal Protector Retainer Installer
Removal Procedure
1. Remove the transmission filter.
2. Disconnect the transmission harness 20-way connector (1) from the transmission internal harness pass-through connector.
Depress both tabs on the connector and pull straight up; do not pry the connector.
Important: Removal of the valve body is not necessary for the following procedure.
3. Remove the 1-2 accumulator. Do not remove the spacer plate.
4. Disconnect the internal wiring harness electrical connectors from the following components:
-
Transmission fluid pressure switch (1)
-
1-2 shift control solenoid (2)
-
2-3 shift control solenoid (3)
-
Pressure control solenoid (4)
-
Torque converter clutch pulse width modulation (TCC PWM) solenoid (5)
-
3-2 control solenoid (6)