Refrigerant Control Solenoid Valve: Service and Repair

Rear A/C Solenoid Valve

REMOVAL
1. Recover the refrigerant from the refrigerant system.
2. Disconnect and isolate the battery negative cable.

Rear Roof Duct Panel:

3. Remove the rear dome light from the rear roof duct panel.
4. Disconnect the dome light wire harness connector and remove the dome light from vehicle.
5. Remove the six push-pin roof duct panel fasteners and remove the duct panel from the vehicle.
6. Remove the five evaporator panel screws at the front of the panel.

Rear Evaporator Panel:

7. If equipped, remove the interior motion sensor from the evaporator panel, disconnect the wire harness connector and remove the motion sensor from the vehicle.
8. Remove the three push-in evaporator panel fasteners at the rear of the panel.

Rear A/C Solenoid Valve:

10. Remove the nuts that secure the liquid refrigerant lines to the solenoid valve.
11. Disconnect the refrigerant line from the outboard side of the solenoid valve.
12. Disconnect the solenoid valve wire harness connector.
13. Remove the two solenoid valve retaining screws and remove the solenoid valve from the vehicle.
14. Remove the seals from both liquid line fittings and discard.
15. Install plugs in, or tape over the opened liquid line fittings and both solenoid valve ports.

INSTALLATION
1. Remove the tape or plugs from the opened liquid line fittings and solenoid valve ports.
2. Lubricate two new rubber O-ring seals with clean refrigerant oil and install them on the liquid line fittings.
3. Align the solenoid valve to the liquid line going to the rear evaporator and to the mounting bracket. Remove the two solenoid valve retaining screws and remove the solenoid valve from the vehicle.
4. Install the two solenoid valve retaining screws. Tighten the screws to 10 N.m (89 in. lbs.).
5. Connect the solenoid valve wire harness connector.
6. Connect the refrigerant line to the outboard side of the solenoid valve.
7. Install the nuts that secure the liquid refrigerant lines to the solenoid valve. Tighten the nuts to 16 N.m (142 in. lbs.).
8. Install the rear evaporator panel and the three push-in fasteners.
9. If equipped, connect the interior motion sensor wire harness connector and install the motion sensor into the rear evaporator panel.
10. Install the five evaporator panel screws at the front of the panel. Tighten the screws to 2 N.m (17 in. lbs.).
11. Install the rear duct panel and the six pushpin fasteners.
12. Connect the dome light wire harness connector and install the dome light into the rear roof duct panel.
13. Reconnect the battery negative cable.
14. Recover the refrigerant from the refrigerant system
15. Evacuate the refrigerant system.
16. Charge the refrigerant system.