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314-423-0011 | 8601 Lackland Rd, Saint Louis, 63114

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

Epic Automotive

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 Epic 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

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TESTIMONIALS

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This was my first time having my vehicle serviced at Epic Automotive... The service was superb... and very professional.. If my vehicle is in need of service in the future I will be returning to Epic Automotive.
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In case anyone was thinking of another establishment to trust your car with, don't! Epic not only is the only place my entire family takes their vehicles, but the only place any of my friends do as well!I could go on for hours where John has dropped what he was doing to ensure that I came first. Do not waste your time with anyone else.. Epic is the only home you need to know for your car!
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Great service. Great price. Great people. Highly recommended!
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Would definitely recommend Epic Automotive. Very friendly and has always done great work on my car.
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I have no complaints whatsoever. The staff was respectful, friendly, and down to earth. The facility is pretty clean and the service was great. It's refreshing to find a place that actually fixes the problem instead of selling you stuff that you probably won't need just so they can make a few bucks off of you. I drove from Granite City, IL to check them out and it was worth the drive. I'll definitely be coming back if I need anything done to my car stereo.
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Best experience I've ever had, Great customer service, quality of their work is excellent, and the shop feels welcoming, had my brakes and rotors replaced for a very good price, they answered any questions I had about my vehicle parts warranty's and more, I'll be back for a tune up my brakes are awesome and quite lol..they really do care for there customer's, Epic Automotive is #1, I would recommend them to all my friends and family. THANK YOU EPIC TEAM!! ....