Torque Converter Clutch Solenoid: Service and Repair

Electronic Pressure Control (EPC) Solenoid





Removal

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury. Procedures

Remove the manual control lever. For additional information, refer to Manual Control Lever Shaft and Seal Manual Control Lever Shaft and Seal.

2. Disconnect the transmission internal harness from the solenoids.

1. Disconnect Shift Solenoid A (SSA) and Shift Solenoid B (SSB).

2. Disconnect the Torque Converter Clutch (TCC).

3. Disconnect the Electronic Pressure Control (EPC) solenoid.

4. Disconnect the transmission internal harness connector.

5. Disconnect the Transmission Fluid Temperature (TFT) sensor.





3. Remove the EPC solenoid.

1. Remove the bolt and EPC solenoid bracket.

2. Remove the EPC solenoid.





Installation

1. NOTE: Lubricate the EPC solenoid O-rings with transmission fluid.

Install the EPC solenoid.

1. Install the EPC solenoid.

2. Install the EPC solenoid bracket and bolt.
- Tighten to 10 Nm (89 lb-in).





2. Inspect the transmission internal harness for damage.

3. Connect the transmission internal harness to the solenoids.

1. Connect the transmission internal harness connector by pressing it in place by hand and fully seating the connector in place.

2. Connect the EPC solenoid by fully seating the connector in place.

3. Connect the TCC solenoid by fully seating the connector in place.

4. Connect the SSA and SSB by fully seating the connector in place.

5. Connect the TFT sensor.





4. NOTICE: The transmission internal wire harness must be properly routed to avoid the potential of damage to the harness. Pinched or trapped wires may result in a transmission failure.

Make sure the internal wire harness is properly routed.





5. Install the manual control lever. For additional information, refer to Manual Control Lever Shaft and Seal Manual Control Lever Shaft and Seal.

6. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury. Description and Operation

If equipped with a fire suppression system, repower the system.