Best Auto Repair, Akron

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 Irace Automotive & Highland Towing, 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.


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Miscellaneous Services, near Akron, OH

As always, honest and helpful. This time they checked out a car I wanted to buy (and did). They got me in right away, and did a total check. A great group of guys I trust.

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Tires, near Akron, OH

Had a flat... they got a new tire, mounted it on the car and properly stowed my spare back in the trunk. They've always taken good care if me there no matter what the problem I've had with my cars!

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Car & Truck Care, near Akron, OH

Highly recommended for auto repair and towing. Jim and the employees here have treated me with respect and helped in assisting any questions I had. When the tow driver was running a few minutes behind, he made initial contact with me and called with updates of their location.

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