(360) 458-1421 | 10615 Bald Hill Rd SE, Yelm, 98597
Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
Emerald Car Care & Tire Center
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 Emerald Car Care & Tire 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.
More AC Repair Services:
Mark Bennett, 03/22/2021
Mike and his workers are very professional and honest about the work they do. Also the prices are extremely reasonable and Mike actually walked back to the garage with me and pointed out an issue with the battery cables in my 2005 Honda Odyssey which were about to fall off. This is the way ALL auto repair shops should operate and I HANDS DOWN will be back in the future whenever I need service. Thank you Mike and crew for making this stop by Emerald Car Care Center such a great experience!