GMC Workshop Manuals
Savana 3500 V8-4.8L (2009)
Powertrain Management > Transmission Control Systems > Actuators and Solenoids - Transmission and Drivetrain > Actuators and Solenoids - A/T > Torque Converter Clutch Solenoid, A/T > Component Information > Diagrams > Page 3905
Torque Converter Clutch Solenoid: Service and Repair
Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness
J 28458 Seal Protector Retainer Installer
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and Replacement).
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.
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 (See:
Transmission and Drivetrain/Automatic Transmission/Transaxle/Accumulator/Service and Repair/4L60-E/4L65-E/4L70-E - Automatic
5. Disconnect all the internal wiring harness electrical connectors from the electrical components (1-6).
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