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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 Closed
  • 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 X-Pert 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

Tucson
  • , 04/04/2023

    I'm very satisfied with the ease of making an appointment, the communication and fair pricing.

  • , 02/15/2023

    Good job as always.

Tucson
  • , 11/01/2022

    I've been using Joe and all the guys at X-Pert Auto for at least 5 years (maybe more!). I Have a 20 yr old SUV that they keep running in tip top shape and 2 diesel trucks. Can't be happier. Always knowledgeable. Have recommended to many of my friends and they use them now too!

  • , 07/08/2022

    I have been so pleased with the service and support that I receive at X-PERT Auto each time I go. They are professional and very thorough. Work completed on the car is explained clearly and the office staff is welcoming and efficient.

Tucson
  • , 06/03/2022

    I brought my car into XPert Automotive for servicing. Wanted to use an independent business close to home. Found the team to be very knowledgeable and pleasant. My battery was low and instead of selling me a new battery, Joe Pate, the owner, called to say he could charge the battery for a few hours and retest it. Turns out that did the trick. Saved me money. I was impressed with his honesty and integrity. Will definitely be going back for my next service!

  • , 11/19/2021

    Warning light came on. Filled out appointment form at 9pm. 8:10am next morning received a call. Brought car in that day. They said they would get to it asap based on workload. Received a call next day stating what the problem was, repair options and pricing. Gave the go ahead. Another call about parts availabilities and when this was resolved. Next call was that vehicle was ready. Communication was the key to my high rating for them.

Call us for service: 520-818-1780

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ASE (Automotive Service Excellence)
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