317-896-9999 | 199 Maple St, Westfield, 46074
Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
Westfield Tire and Muffler
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 Westfield Tire and Muffler, 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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Evan G., 07/26/2019
Every auto shop stereotype is out of the window with this place. Every individual was professional, honest, and extremely personable. My experience here was beyond exceptional. In my entire life I've trusted one auto shop, and everywhere else has been a let down, but Westfield Tire & Muffler makes it two. I'm a small business owner whose vehicle is used for both personal and business matters, so I don't have the time or money to get the runaround when it comes to repairs. Blown away by these guys, highly recommend.