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 Sparks Computerized Car Care, 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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The chief mechanic has a wall full of certifications and is an expert on safety and all aspects of auto repair even got a great deal on a new set of tires - the best auto repair co. I have ever seen 100 percent confidence in them I had neglected earlier repairs I am lucky to have found them.
Bernard Silver, 11/25/2022
Sparks accepted to do electrical work on my rare 1973 Volvo P1800 ES. Julie, the service manager, is courteous and well qualified. She asked all the right questions prior to appointment and kept in touch during the arduous search for the problem. I was allowed to talk with the mechanics when they had difficulty finding a nonstock park needed. The mechanics were were technically proficient and polite. The company was patient while I ordered parts. A few days after the work was done and I had picked the car up, Patrick gave me a follow up call. In short, the people at Sparks, admin, mechanics and owner, are all professionals and I highly recommend the company.
Harmon Heed, 09/13/2021
Great customer service. Explained all needed repairs and my car was ready at the time promised.
Joanne S. , 07/19/2021