2003 Chrysler Town and Country AC PROBLEMS

Tiny
MCAUTODOC
  • MEMBER
  • 2003 CHRYSLER TOWN AND COUNTRY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
VIN #2C4GP44R64R507071

Need to know if this system has a orifice tube or an expansion valve & where either is located.
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Tuesday, August 25th, 2009 AT 5:25 AM

2 Replies

Tiny
BMRFIXIT
  • EXPERT
Expansion valve

YOU HAVE AN EXPANSION VALVE

The front "H" valve-type thermal expansion valve (TXV) is located at the dash panel between the liquid and suction lines, and the evaporator coil. The assembly consists of an H-valve body and a thermal sensor. High-pressure, low temperature liquid refrigerant from the liquid line passes through the expansion valve orifice, converting it into a low-pressure, low-temperature mixture of liquid and gas before it enters the evaporator coil. The expansion valve is a factory calibrated unit and cannot be adjusted or repaired. If faulty or damaged, the expansion valve must be replaced.

TO REMOVE
Recover the refrigerant from the refrigerant system. (
Disconnect and isolate the battery negative cable.
Remove the air cleaner housing from the right side of the engine compartment.
Disconnect the drain tube from the wiper module drain on the right side of the engine compartment.
Disconnect the headlamp and dash wire harness connector for the A/C pressure transducer from the transducer on the front liquid line rear section
Remove the screw that secures the front liquid line rear section fitting to the top of the filter-drier.
Disconnect the liquid line fitting from the filter-drier outlet port.
Remove the seal from the liquid line fitting and discard.
Install plugs in, or tape over the opened liquid line fitting and the filter-drier outlet port.
Remove the nut that secures the suction line and liquid line fittings to the stud on the expansion valve.
Disconnect the suction line and liquid line fittings from the expansion valve and move the lines out of the way.
Remove the seals from the suction line and liquid line fittings and discard.
Install plugs in, or tape over the opened suction line and liquid line fittings and both expansion valve ports.
Remove the two screws that secure the expansion valve to the evaporator tube tapping plate.
Disconnect the HVAC wire harness connector for the evaporator temperature sensor from the sensor on the top of the expansion valve.
Remove the expansion valve from the evaporator inlet and outlet tube fittings.
Remove the seals from the evaporator inlet and outlet tube fittings and discard.
Install plugs in, or tape over the opened evaporator inlet and outlet tube fittings and both expansion valve ports.


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Tuesday, August 25th, 2009 AT 5:44 AM
Tiny
MCAUTODOC
  • MEMBER
Thanks a lot for the info & quick response!
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Tuesday, August 25th, 2009 AT 6:10 AM

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