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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 Greg Bailey Automotive, 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

ASSOCIATIONS

  • ASE (Automotive Service Excellence)
  • Jasper
  • NAPA
  • Car Care Aware

Testimonials

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    This place is the best in the Bay area. They can fix anything!

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    Honest, Fair, and great quality service. Been going there for years. Very knowledgeable staff and great family owned business.

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    They are the best on the Bay!

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    Won't sell you something you don't need.

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    I find Greg to be a knowledgeable and straightforward guy with no inclination to rip off his customers. He offers a warranty on his work (inquire with him for specifics) and unlike other mechanics I have dealt with, he actually honors the warranty without a hassle or undue grief.

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    Greg Bailey is the best mechanic I have ever used. Honest, contentious and a straight up nice guy. Greg will take care of your car.