Sierra Denali RWD V8-6.2L (2009)
Torque Converter Clutch Solenoid: Service and Repair
Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness
Special Tools
J 28458 Seal Protector Retainer Installer
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair) .
2. Remove the transmission oil pan and the filter. Refer to Automatic Transmission Fluid and Filter Replacement (See: 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:
Automatic Transmission/Transaxle/Accumulator/Service and Repair) .
5. Disconnect all the internal wiring harness electrical connectors from the electrical components (1-6).