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(502) 203-0454 for Bashford Ave or (502) 230-4279 for the Preston Hwy location | 3435 Bashford Ave Ct, Louisville, 40218

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 American Brake Centers Inc., 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 Our Customers Are Saying

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Jamie was great; both polite and helpful! My car was fixed for the amount quoted and was ready before the estimated time.

, 09/29/2023

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Very helpful and knowledgeable. Short handed they went above and beyond. Great place.

, 09/23/2023

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The best in town. Excellent costumer service and recommended to everyone!

, 09/03/2023

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This place is the best! My brother in law refers me to Scott, for my car inspections and when I came in the shop. Scott is so approachable and he really explains everything! He explains what to be needed and give a reasonable price! No hidden charges.

, 08/25/2023

Several months ago I had front pads and rotors replaced on my Lexus LS460. Recently I started getting pulsating when stopping at high speeds. I explained this to Scott and he checked it out and replaced the rotors under warranty at no charge. Fabulous customer service! Scott is amazing! I would Highly recommend American Brake Center on Preston Hwy!

, 08/08/2023

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Great service as always. I highly recommend.

, 08/07/2023

  • ASE (Automotive Service Excellence)
  • BBB Accredited Business - Bashford
  • Enterprise Fleet Management
  • Emkay Fleet Management
  • Car Care Aware
  • TWO LOCATIONS TO SERVE YOU!