Grand Caravan FWD V6-3.8L VIN L (2001)
Expansion Valve: Service and Repair
Rear
REMOVAL
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE
FOLLOWING OPERATION.
1. Remove the rear heater-A/C unit housing from the vehicle. Refer to: "Housing Assembly HVAC : Service and Repair" See: Housing Assembly
HVAC/Service and Repair
2. Carefully remove the foam insulator wrap from the rear expansion valve. Refer to: "Expansion Valve : Service and Repair" See:
3. Remove the rear evaporator line extension from the expansion valve.
Fig.4 Expansion Valve
4. If the vehicle is equipped with the optional Automatic Temperature Control (ATC) system, disconnect the expansion valve solenoid pigtail wire
connector from the rear HVAC wire harness connector.
5. Remove the two screws that secure the expansion valve to the evaporator tube sealing plate.
6. Remove the expansion valve from the evaporator tubes.
7. Remove the seals from the evaporator tube fittings and discard.
8. Install plugs in, or tape over the opened evaporator tube fittings and both expansion valve ports.
INSTALLATION
1. Remove the tape or plugs from the evaporator tube fittings and both expansion valve ports.
2. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the evaporator tube fittings.
3. Position the expansion valve onto the evaporator tubes.
4. Install and tighten the two screws that secure the expansion valve to the evaporator tube sealing plate. Tighten the screws to 11 Nm (97 in. lbs.)
5. If the vehicle is equipped with the optional Automatic Temperature Control (ATC) system, reconnect the expansion valve solenoid pigtail wire
connector to the rear HVAC wire harness connector for the solenoid.
6. Reinstall the rear evaporator line extension onto the expansion valve.
7. Install the foam insulator wrap over the rear expansion valve.
8. Reinstall the rear heater-A/C unit housing into the vehicle. Refer to: "Housing Assembly HVAC : Service and Repair" See: Housing Assembly
HVAC/Service and Repair
