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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 Foreign Auto Clinic, 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

ASSOCIATIONS

  • ASE (Automotive Service Excellence)
  • BBB Accredited Business
  • BG Products
  • Car Care Aware

Testimonials

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    Great place of business with friendly customer service. Prices are very affordable compared to dealership prices.

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    These people are honest and fast! I trust them to do the work I want and only suggest work that really needs to be done.

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    Experienced staff,quick on the schedule,timely notification if accessing parts is a problem.Highly recommended!

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    Great service very detailed on information. With great prices here in Waco!! Will start recommending.

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    More than helpful! Great place!

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    Had a great experience with Luikart's! I have a 2011 Volvo C30 with over 110K miles and one day the engine started whistling and vibrating badly. Took it over and Ken immediately knew what was wrong and did a great job repairing- no problems since. The price was very fair after a search online. The folks are very friendly as well- would highly recommend to anyone.