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

Gary Wille's Auto & Tire Center


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 Gary Wille's Auto & Tire Center, 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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Still the best around. Great service from a place you can trust!! I won't go anywhere else for my car maintenance and repair needs. The professionalism and attention to detail is outstanding. I keep my cars until their last gasp, and I trust Gary Willie's to keep them running well and tell me when it's time to let them go. Thanks for everything!

, 05/28/2022

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Sent in my 2013 VW GTI which had a plethora of issues. They quickly diagnosed and quoted the repairs necessary. They worked with me on adjusting the quote to fit the repairs I needed most. The repairs were done very quickly, and the issues all seem resolved. Priced very reasonably, kind and helpful customer service, convenient and worked around my schedule for drop-off, pick-up and payment. All-in-all, the easiest and most painless auto repair experience I've had. 10/10 would recommend. 10/10 will use again. (Hopefully not needing to often.)

, 05/26/2022

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As someone who knows little to nothing about cars, I had often struggled to feel like I could fully trust an auto service center, until I found Gary Wille's. Tyler, Hunter and the team are hands-down the most genuine and professional auto experts that I've ever had the pleasure of working with. Tyler even took the time to show me how I can check and keep my engine oil full. Gary Wille's is the real deal. They provide that trustworthy, detailed, caring expertise that everyone looks for. After a service, they send a detailed report and include pictures and explanations of their recommendations and your options. They have never tried to sell me on something I don't need and explain my options in clear, understandable language. I'll be a customer as long as I live in the area.

, 04/08/2022

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