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

Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat Appointment Only
  • 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 Concierge Auto Repair, 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.

What People Say About Us

  • reviewicon
    , 12/03/2023

    Jim and the Concierge Auto Repair team are Phenomenal! I have been a customer since 2015 and only trust my Mercedes with them! If you have a luxury or any other type of vehicle l highly recommend Concierge Auto Repair!!!

  • reviewicon
    , 11/10/2023

    Great work explaining what I was wrong fix vehicle in timely matter and did a great job

  • reviewicon
    , 11/08/2023

    Great Great staff and service. I love the convenience and communication with the customer. Most important of all the transparency. Concierge Auto repair is a great shop.

  • reviewicon
    , 11/06/2023

    My 2008 Lexus LX 560 with 344,000 miles was treated like Gold. I have searched high and low for a repair service that is not only honest, but knowledgeable. At Concierge Auto Repair, you ask a question, and they will provide so much information that you could almost rebuild it on your own. They did not care that, as a woman, my knowledge in this field was limited. I lost my husband this year but promised I would get his car fixed while he was in the hospital. He never came home, but a promise is a promise. He inherited it from his brother who passed away in 2013. A 2008 Lexus LX 570. Far superior to his little Ford Pickup Truck. After 300,000 miles the shocks finally gave out. Driving it was like riding on a 3-legged horse. Getting parts for air-shocks was no simple task. Jim & Scott combed the internet to get parts at a reasonable price. They also changed the oil, replaced the windshield wipers, and made sure it would pass inspection. I was so stunned when I drove it home. It was such a smooth ride. I had forgotten what that felt like. A big shout out to Concierge Auto Repair! You guys are amazing. Two months later they did a follow-up call to make sure everything was still working perfectly. Who does that??? They do!

  • reviewicon
    , 10/31/2023

    Honest dependable service at a good price!

  • reviewicon
    , 10/31/2023

    Great service, super friendly and helpful

Call us for service: 832-404-2682

ASE (Automotive Service Excellence)
MERCEDEZ
bmw
  • Car Care Aware