Torque Converter Clutch Solenoid: Service and Repair

TCC PWM SOLENOID, TCC SOLENOID, AND WIRING HARNESS REPLACEMENT

REMOVAL PROCEDURE

- Tools Required
- J 28458 Power Piston Seal Protector and Diaphragm Retainer Installer





1. Remove the three-way catalytic converter heat shield. Refer to one of the following procedures in Exhaust System:
- Catalytic Converter Replacement.
2. Remove the oil pan and the oil filter.
3. Remove the external wiring harness connector from the transmission pass-through connector.
Squeeze the fore and aft flats on the connector in order to release the locking tabs. Pull the connector.
4. Remove the accumulator cover bolts.





5. Remove the 1-2 accumulator cover.
6. Remove the piston.
7. Remove the springs.
8. Remove the component electrical connectors.





9. Remove the Torque Converter Clutch (TCC) PWM solenoid retainer.





10. Remove the TCC PWM solenoid from the control valve body.





11. Remove the pressure control solenoid retainer bolt/screw.





12. Remove the pressure control solenoid retainer.
13. Remove the pressure control solenoid.





14. Remove the TCC solenoid valve bolts.
15. Use the J 28458 in order to remove the pass-through electrical connector from the transmission case.
Place the small end of the J 28458 over the top the connector.
Twist the J 28458 in order to release the four tat while pulling the harness connector from the transmission case.
16. Remove the TCC solenoid valve with the wiring harness from the transmission case.

INSTALLATION PROCEDURE





1. Install the Torque Converter Clutch (TCC) solenoid with the wiring harness to the transmission case.
2. Install the pass-through electrical connector to the transmission case.
3. Install the TCC solenoid bolts and screws.





4. Install the pressure control solenoid.
5. Install the pressure control solenoid retainer.





6. Install the pressure control solenoid retainer bolt and screw.
- Tighten the TCC solenoid bolts/screws to 11 Nm (97 inch lbs.).
- Tighten the pressure control solenoid bolt/screw to 11 Nm (97 inch lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.





7. Install the TCC PWM solenoid to the control valve body.





8. Install the TCC PWM solenoid retainer.
9. Connect the component electrical connectors.

IMPORTANT: The piston legs must face toward the case when installed.





10. Install the 1-2 accumulator piston to the accumulator cover.
11. Install the 1-2 accumulator springs onto the piston.
12. Install the 1-2 accumulator cover.





13. Install the 1-2 accumulator cover bolts.
- Tighten the bolts to 11 Nm (97 inch lbs.).

14. Install the wiring harness connector to the transmission pass-through connector.
15. Install the oil pan and the oil filter. Refer to one of the following procedures:
16. Install the oil pan and the oil filter.
17. Install the converter heat shield. Refer to one of the following procedures in Exhaust System:
- Catalytic Converter Replacement.