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

Working Hours
  • Mon 7:30AM - 6:00PM
    Tue 7:30AM - 6:00PM
  • Wed 7:30AM - 6:00PM
    Thu 7:30AM - 6:00PM
  • Fri 7:30AM - 6:00PM
    Sat 8:00AM - 4:00PM
  • Sun Closed

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

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 AnA Tire & Automotive, 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 People Say About Us

  • reviewicon
    , 05/17/2022

    Went in to have my air conditioner on my car recharged after replacing the compressor they got me in really fast same day within an hour I was already leaving and the price was better than anybody else I could find not to mention the staff were professional knowledgeable and courteous will definitely see more of me

  • reviewicon
    , 02/25/2022

    Awesome staffing and love the service!!!

  • reviewicon
    , 02/07/2022

    Honest, no bs or upselling, reliable and warranties their work. I've used a lot of repair shops and AnA rocks.

  • reviewicon
    , 02/04/2022

    Great customer service.

  • reviewicon
    , 01/29/2022

    Stopped by this shop today in search of quick help with an emergency flat tire. The guys as well as the lady at the desk were all SUPER helpful and very patient and understanding. Will definitely make them my regulars for all my car needs from now on!

  • reviewicon
    , 01/26/2022

    Great service! Went in because my engine light came on. They diagnosed it quickly, luckily it wasn?t serious, and I had my car back the next day. Also had them top off my AC coolant. Well priced and quick repair! Definitely recommend.

Call us for service: 713-741-4555

ASE (Automotive Service Excellence)
BBB Accredited Business
ASA Member (Automotive Service Association)
Advance Auto Parts
  • Car Care Aware