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Replace Your Car's AC Thermal Expansion Valve or Orifice Tube
Byrd Automotive Repair
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 Byrd Automotive Repair, 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:
Monica Contreras, 04/20/2022
I had called around to many places for my repairs and some of these places were just so astronomical in pricing for a problem that I thought was electrical. Byrd had beaten every price that I was quoted by a lot. One company quoted me $400 just to find the issue. I couldn't imagine if I would have had to pay $400 for an issue that wouldn't even have been an electrical problem, on top of whatever else they would have charged me. Come to find out it was just my bad luck that things were going wrong all at once and had nothing to do with an electrical problem. Byrd fixed my issues, didn't overcharge, and got the job done in a timely manner. I knew nothing about Byrd and had never even heard of their shop but I am glad I called and took that leap for my repairs. Thank you! I plan to use them going forward for any other repairs I may need.