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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.

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

  • reviewiconHonest Mechanic


    Nate was great, very clear on work and finding and on the time required. Regular updates and quick notification and in person review of any changes. He pretty much completely rebuilt my VW TDI anyone who has worked on these understands the challenges the mechanic meets with VW. Rare find Mechanic with the needed skills.

  • reviewiconHonest Mechanic


    AMAZING WORK AND CUSTOMER SERVICE. I have not had such great service in years! They picked me up, dropped me off at my nail appointment down the street while it was serviced, and dropped my car off after! They provided photos of suggested future service issues but no pushy attempts at more money and more service. Honest fair and kind people. Jim the owner is a wonderful human and sincere in his intentions at honest and fair service to their clients.

  • reviewiconHonest and Dependable


    My check engine light came on. I took my car in and in less than an hour the codes were cleared. Received a detailed explanation and was sent on my way without being charged a penny! Two days later Jim called to advise me of just released manufacturer's service bulletin related. He shared info he didn't have to, especially when they hadn't charged me for diagnosis. I'm more inclined to use Concierge Auto the next time my vehicle needs service because they didn't just claim to be honest, they demonstrated it!

  • reviewiconHonest and Dependable


    We have taken many vehicles here, if you are looking for a mechanic you can actually trust, come here. They do great work, and will let you know if something is wrong, but unlike some shops don't just "find" things to be wrong. They let you know when something is actually wrong, and explain it. They do excellent work, and I highly recommend them.

  • reviewiconGreat Experience


    If you need work done on your auto this is the place to go. They are great to work with and they are honest and work to get you the best price they can on the work you need. This is the only place we will take our BMW's from now on.

  • reviewiconGreat Experience


    Service was excellent, courteous and helpful. They will be seeing me again!

Call us for service: 832-404-2682

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