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 AutoChoice Service 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.


Reviews

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Lloyd and the guys are great! My wife and I were unsure about finding a repair shop, and after reading the reviews, we decided to give AutoChoice a try. We took a car we were thinking of buying for a pre-purchase inspection and already liked the service from the start: fair prices, transparency, and clear communication. You don't feel like you're being taken advantage of at any point (unlike many other shops). Today, we brought in another car for some inspections and repairs and once again received excellent service! It's our go-to place in Bloomington for repair services! They really deserve the high reviews they have everywhere. We highly recommend it!!!

, 02/24/2024

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Adam, Lloyd, James and Gary are all incredible guys. The whole crew over there is wonderful! Repairs are fairly priced. The guys are all honest, kind, and very good at explaining the work. Auto Choice is a professional, service-oriented local business and I’ve been coming to them for repairs, auto advice, and service for 10 years! I recommend Auto Choice HIGHLY. I once went to another chain/corporate garage for a major repair (timing chain) only because they offered 0% interest financing. Long story short, this ended up costing me almost $16k and I didn’t have a working car to show for it. Expensive lesson. I haven’t gone anywhere but Auto Choice since. I can’t recommend Auto Choice highly enough!

, 02/09/2024

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Awesome people friendly service done right

, 02/02/2024

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