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TX 78736

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Replace Your Car's AC Thermal Expansion Valve or Orifice Tube

Jerry Dixon's Automotive & Klassic Kars


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 Jerry Dixon's Automotive & Klassic Kars, 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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Service way above and beyond. They came in on a Sunday to receive my 1930 Buick from the shipper even though they're closed on Sunday. They fixed my car the very next day because it was an "easy" fix and they wanted such a valuable car returned to me expediently. It started right up. The repair seemed a little expensive, but maybe things are just more expensive in Austin. Next, they drove me back from the storage facility. Then they helped me lift a heavy load. See what I mean about above and beyond? I'd recommend them with your beloved vehicle too.

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Really too notch place for your vintage vehicle. Family-owned from forever ago, and stocked with ace gearheads who love to breathe life into old things. Took my 1972 Ranger there and got a thorough and honest assessment of my needs, along with straight up pricing. When I went to pick it up, Steve walked me through what he had done and gave me a primer on how to love and care for the truck. Essentially he schooled this newbie on stuff like manual chokes and carburetors and exactly how amazing the thing I bought actually was. The very best option around Austin for bringing a classic back to life.

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My girlfriend suggested that I take my 2001 Ford Expedition to Jerry Dixon's and I have never been happier about anyplace that has ever worked on any of my cars, ever... If I could give them 10 stars, I would.

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