Best Auto Repair, Warner Robins

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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 Calhoun's Automotive 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

Warner Robins
  • reviewiconVery trustworthy and effective!
    Car & Truck Care, near Warner Robins, GA
    , 05/18/2020

    Friendly, professional mechanics that don't rip you off--a godsend in this day and age. They explain to you what went wrong and how they can fix it and give you options as far as parts go, with their own honest opinions.

  • reviewiconVery trustworthy and effective!
    Car & Truck Care, near Warner Robins, GA
    , 03/23/2020

    They make you feel like family.

Warner Robins
  • reviewiconKeep it up and don't change.
    Car & Truck Care, near Warner Robins, GA
    , 03/06/2019

    Calhoun Automotive, Bryan= Owner, has been working on my vehicles for many years, the latest being today. He has always performed in a professional manner with outstanding knowledge of diagnosing the problem. Never has he accomplished any work that was not needed. In fact he has advised not to replace an item that I thought had failed. That is true honesty. Something that is very difficult finding in todays market with attitudes of being selfish so why should I consider others. Bryan has always done what he thought was right by the customer and vehicle. Great work Bryan. Keep it up and don't change.

  • reviewiconKeep it up and don't change.
    Car & Truck Care, near Warner Robins, GA
    , 05/29/2018

    Fast, friendly and fair.

Warner Robins
  • , 05/04/2018

    Calhoun has worked on several cars of mine over the years. Great work.

  • , 05/18/2020

    Friendly, professional mechanics that don't rip you off--a godsend in this day and age. They explain to you what went wrong and how they can fix it and give you options as far as parts go, with their own honest opinions.

Call us for service: 478-929-0620

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  • Car Care Aware