Working Hours
  • Mon 7:30AM - 5:30PM
    Tue 7:30AM - 5:30PM
  • Wed 7:30AM - 5:30PM
    Thu 7:30AM - 5:30PM
  • Fri 7:30AM - 5:30PM
    Sat Closed
  • Sun Closed
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803-775-1277 | 930 N Lafayette Dr, Sumter, 29150

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

Ace Parker Tire

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 Ace Parker Tire, 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


What Our Customers Are Saying

VERY FAMILY ORENTIED

, 06/02/2022

Been taking my vehicles here for 8 years now and so dose my children; service is good and dependable. I Would recommend Ace Parker tire Service to anyone

, 05/25/2022

Excellent Service as Always!

, 03/04/2022

Excellent customer service. Fast and friendly service!!!

Had my truck engine replaced here. Some of the best mechanics in the area! My truck runs like a new vehicle I don't go anywhere else!

Amazing service. Had a flat tire after work and had tried to pump it back up myself, but heard the air leaking from another part of the tire. I called them at 7:50am. They came to my car, took the tire off, showed me what had punctured it, and recommended a new tire. They even offered to drive me to the place I originally purchased the tire from and put it on themselves. Needless to say, by 8:30am I had a new tire and was on my way home. Would definitely recommend them to anyone. Very friendly, patient and efficient.

  • ASE (Automotive Service Excellence)
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  • Call Us For Service: 803-775-1277