Replace Your Car's AC Thermal Expansion Valve or Orifice Tube

JD Auto Service & Repair LLC


Your car or truck's AC system is under extreme pressure and the thermal expansion valve or orifice tube monitors the amount of pressure and the temperature of your A/C system. It calculates the precise amount of refrigerant that can safely go into the evaporator. A failing expansion valve or orifice tube often causes a vehicle's air conditioner to blow hot air.

Replace or Repair

  • Expansion Valves: Too much refrigerant causes your evaporator to get too cold whereas too little refrigerant would result in inadequate cooling. The expansion valve is a complex valve that regulates refrigerant flow. This process of metering the refrigerant adjusts the flow according to the temperature of the refrigerant in the evaporator coil. Talk to one of the pro mechanics at JD Auto Service & Repair LLC, as this part can be replaced on its own and does not require the entire replacement of the AC assembly.
  • Orifice Tubes: Unlike the expansion valve, the orifice tube is a simple fixed device with no moving parts. It therefore cannot vary the flow of refrigerant into the evaporator, but rather causes a permanent restriction in the system. However, like the expansion valve the orifice tube regulates refrigerant flow through the system and filters debris which may come through in its screen. Often fixing a "bad orifice tube" requires replacing the entire evaporator assembly.

More AC Repair Services:

Truck and Car AC Repair Services

Freon Recharging Services For Your Car Or Truck

AC Evaporator Services


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Honest and efficient. Took my Jeep in for a brake problem, it was repaired quickly and they explained the problem well. Will return.

, 07/31/2021

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Same day repair. I didn't expect that.

, 07/28/2021

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If you want honest, affordable and people who listen and care, GO HERE! Had issues with my car for a week, tried to fix it myself to no avail, gave them a call on Thursday evening, dropped the car off Friday and all my issues were fixed by the afternoon and at such a reasonable rate! I will ALWAYS come back here. Too many other places are out for themselves, not this place, not at all!! Keep up the amazing service! This is what this world needs! Thanks for getting me back on the road so quickly!

, 05/21/2021

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