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11986 Colmans Way Broomfield
CO 80020

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

Randy's Auto Service


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 Randy's Auto Service, 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


Reviews

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These guys are the best. Even though I live far away, I take my car there because I know it will be fixed right, for a reasonable price. The staff is outstanding and friendly, and you can always be confident that it will be fixed right the first time. I have a lot of confidence in these people and once you start using them, you will too! Thanks to everyone at Randy's for helping me with my car from appointment to driving it away!

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I just wanted to say a quick Thank You to Randy and Caleb for coming out to my home on their day off to handle an issue with my Tacoma . I've been a customer for about 5 yrs now and have always experienced nothing but great service !!! . Thanks again....

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I was very impressed with the level of service at this shop and didn't feel that I had been taken I was kept informed about my vehicle being serviced and the price was very reasonable I will take my vehicle there again.

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