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 AutoMedic Total Car 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:

Truck and Car AC Repair Services

Freon Recharging Services For Your Car Or Truck

AC Evaporator Services


Reviews

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Omar is likely the most upfront shop owner around. Been here several times over the past 5 years. Honest and reliable.

, 11/15/2022

Omar is amazing. Super personable and always makes time for me to bring my car in with my tight work schedule. I currently live in North Port but continue to use his services in Bradenton because they are extremely dependable. Highly recommend going to AutoMedic for any car problems.

, 11/04/2022

Took my 2006 Ford F150 in to Omar and his guys. They replaced my lower control arms+sway bar links. Quoted me a very reasonable price especially compared to other shops in the area! Very satisfied with the work they done and thankful for the frame of time they got it done also! Omar is a good guy with good customer service! Easy guy to communicate with! Will definitely recommend AutoMedic to others and I will be returning for any future work.

, 11/04/2022

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