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  • Mon 7:30AM - 6:00PM
    Tue 7:30AM - 6:00PM
  • Wed 7:30AM - 6:00PM
    Thu 7:30AM - 6:00PM
  • Fri 7:30AM - 6:00PM
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434-239-8473 | 21632 Timberlake Road, Lynchburg, 24502

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

AID Tire & Auto Repair

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 AID Tire & Auto Repair, 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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They got me in fast in an emergency situation and were very helpful. Prices are reasonable.

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Kid friendly staff! My 2 year old loves to pretend he's a mechanic and run! They were great with him! I was also involved in the process of getting tires on my jeep and they were happy to answer any questions I had! A++!

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Great people, great work and a great price. They even shuttle me back and forth to work, while the work on my car. Fantastic Customer service.

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Great work. Very competitive prices. Woody is the man.

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Good work fair price. First come first serve so get there early . Great prices on tires .

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Always a excellent place. Fair price and great service.

  • ASE (Automotive Service Excellence)
  • Jasper
  • BBB Accredited Business
  • BG Products
  • Interstate
  • Car Care Aware
  • Call Us For Service: 434-239-8473