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

Working Hours
  • Mon 7:00AM - 6:00PM
    Tue 7:00AM - 6:00PM
  • Wed 7:00AM - 6:00PM
    Thu 7:00AM - 6:00PM
  • Fri 7:00AM - 6:00PM
    Sat Closed
  • Sun Closed

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 Ruffing Automotive Services, 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

What People Say About Us

  • reviewicon

    Jeff and his crew do a great job fixing my SUV. They are very professional in what they do. I would refer them to anyone.

  • reviewicon

    Jeff and crew are great Wouldn't go anywhere else and will refer them to everyone.

  • reviewicon

    Excellent work. Very knowledgeable. Very Friendly. Highly recommended.

  • reviewicon

    Great friendly service. Very knowledgeable have been going there for over 20 years. Highly recommend them!

  • reviewicon

    I have been going to Ruffing Automotive Service for the last 8 years. I like working with Jeff Ruffing. He is honest and down to earth. His recommendations are based on what needs to be done and he will always tell me if something can be put off for a while. I can always get my vehicle in and even get a courtesy vehicle if needed. He makes me feel like a family member is taking care of my vehicles.

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    I've known Jeff for a long time. Very honest with the work that needs to be done. Very happy with taking my vehicles to him!

Call us for service: 920-325-4087

ASE (Automotive Service Excellence)
IATN (International Automotive Technicians' Network)
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