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

Working Hours
  • Mon 7:30AM - 5:00PM
    Tue 7:30AM - 5:00PM
  • Wed 7:30AM - 5:00PM
    Thu 7:30AM - 5:00PM
  • Fri 7:30AM - 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 Hays 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

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    Our go to place for servicing our company vehicles.

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    Great shop always take all 3 cars there from Honda to Ford to Lexus. Will get the job done.

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    I just moved to the area and I needed to find a new mechanic that I could trust because I've had some horrible experiences in the past. I had heard about Hays from a co-worker and thought I would try them out.The first thing that I noticed was that it was a very clean facility. They offered me a ride home and picked me up when the car was finished. Pricing was very reasonable and I'm honestly very happy with my luck in finding this place!! I would recommend to anyone who wants honest work done with good prices.

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    Fast and Excellent services from the guys at Hays Automotive, very upfront and polite. Best believe I'll be back whenever any of my vehicles need maintenance and inspection.

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    I had them do my alignment and they took care of me like family. Explained it all in detail and double checked when I asked. Will definitely be back. Thanks guys!

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    Our go to place for servicing our company vehicles.

Call us for service: 805-658-8811

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