Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
J&T's Auto Cafe
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 J&T's Auto Cafe, 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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Very honest people. They will definitely do right by their customers. I would go there again. I give them 5 stars!
Sue Curreri, 11/05/2021
This is my go to garage. Plenty of variety for garages in Corning, and 9/10 times I'll go with J&T!
Trey Wilkins, 09/28/2021
Fast service, great prices and well experienced mechanics. One of the only garages I'll take my vehicles to!
Trey W, 09/24/2021