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    Tue 9:00AM - 5:00PM
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801-444-3787 | 1681 W Gordon Ave, Layton, 84041

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

Extreme Auto

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 Extreme Auto, 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 Our Customers Are Saying

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...I want to give a huge kudos to Lael at Extreme Auto for his honesty and professionalism. Lael has my business for any future problems and I highly recommend Extreme Auto for anyone that needs an honest, hardworking, reasonable & fair expert mechanic for their vehicles. Integrity is hard to find these days. Thanks Lael.

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I am a car enthusiast and mechanic and usually take care of my own cars. However, after I completed an engine overhaul for my daughter's car, I kept getting a service engine light code that prevented me from getting her car registered. After spending hours on the problem and still not corrected, other priorities took precedent and I wanted to find a place I could engage to have them focus on the problem while I tended to more pressing issues. I found Extreme Auto and gave them a call. I was immediately impressed with their willingness to help and their knowledge about the situation. Extreme Auto invested the time it took to correctly diagnose the problem without throwing new parts at it in hope of solving the problem like most dealerships would. They followed through and methodically chased down the problem until they had an answer. I was very happy with the service, the expertise, the dedication and the cost. They went way above and beyond on this one, and for that I am grateful. Nice work Extreme Auto!!!

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They have worked on my car multiple times in the last 4 plus years, and I always get excellent service and good honest work. Nobody else works on my car, period!

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Very honest, which is hard to find in an auto repair shop. They have worked on multiple vehicles of ours and other family members, and we have all been very satisfied. I even took my car in once for a check engine light, and they did a full diagnostic for free. They really take care of you once you're a customer. Not to mention, Cindy at the front desk, is an absolute sweetheart.

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Because of Extreme Auto, my car has over 230,000 miles and runs great. I get cost effective problem solvers with repair service I can depend on.

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Finally found high quality and confidence from a team I can trust.

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  • Call Us For Service: 801-444-3787