Grand Caravan V6-3.3L VIN R (2005)
Expansion Valve: Service and Repair
Front
REMOVAL
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE
FOLLOWING OPERATION. FAILURE TO FOLLOW THE WARNINGS AND CAUTIONS COULD RESULT IN POSSIBLE PERSONAL
INJURY OR DEATH.
1. Recover the refrigerant from the refrigerant system.
2. Disconnect and isolate the negative battery cable.
3. Remove the air cleaner housing and the air inlet tube.
4. Remove the drain tube from the right end of the wiper module.
A/C Expansion Valve - LHD Shown, RHD Typical
5. Disconnect the wire harness connector from the A/C pressure transducer.
6. Remove the screw that secures the liquid line to the receiver/drier outlet port.
7. Disconnect the liquid line from the receiver/ drier outlet port and remove and discard the seal.
8. Install plugs in, or tape over the opened liquid line fitting and the receiver/drier outlet port.
9. Remove the nut that secures the suction line and liquid line fittings to the stud on the A/C expansion valve.
10. Disconnect the A/C suction and liquid line fittings from the A/C expansion valve and remove and discard the seals.
11. Install plugs in, or tape over the opened suction line and liquid line fittings and both expansion valve ports.
12. On RG models, disconnect the HVAC wire harness connector from the evaporator temperature sensor.
13. Remove the two screws that secure the A/C expansion valve to the evaporator tube tapping plate and remove the expansion valve.
14. Remove the seals from the evaporator inlet and outlet tube fittings and discard.
15. Install plugs in, or tape over the opened evaporator inlet and outlet tube fittings and both expansion valve ports.
16. On RG models, remove the retaining screw and evaporator temperature sensor from the A/C expansion valve, if required.
INSTALLATION
NOTE: Any grease removed with the evaporator temperature sensor must be replaced. Failure to do so could result in poor A/C performance.
1. On RG models, install the evaporator temperature sensor and retainer onto the A/C expansion valve, if removed.
2. Remove the tape or plugs from the evaporator inlet and outlet tube fittings and both ports on the back of the A/C expansion valve.
3. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the evaporator inlet and outlet tube fittings.
4. Position the A/C expansion valve onto the evaporator inlet and outlet tube fittings.
5. Install the two screws that secure the A/C expansion valve to the evaporator tube tapping plate plate. Tighten the screws to 11 N.m (97 in. lbs.).
6. On RG models, connect the HVAC wire harness connector to the evaporator temperature sensor.
7. Remove the tape or plugs from the front liquid line rear and suction line fittings for the expansion valve and both ports on the front of the
