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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 Appointment Only
  • 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 Hammers Auto Service Shop Inc., 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
    , 05/12/2020

    I'm a business owner myself, having a place to take my vehicles that makes life easy is very important. They are always super friendly, efficient, professional, they were so accommodating and I totally trust the work they do.

  • reviewicon
    , 05/12/2020

    I was able to get my car looked at right away, the staff was very courteous, and the explanation of services was detailed. I felt they were looking out for my best interests the whole time.

  • reviewicon
    , 05/12/2020

    The service manager and his entire team at Hammers Auto Service Shop did an excellent job with customer service and maintenance of my daughters vehicle. They have a beautiful new state of art shop, it was very clean and inviting, the waiting area was awesome! I would highly recommend Hammers Auto Service Shop to all my friends and family!!

  • reviewicon
    , 05/12/2020

    Very professional all around, I highly trust the quality of work preformed.

  • reviewicon
    , 05/12/2020

    Very happy with Hammers' service, expertise, and honesty! Just had my brakes done on my Jeep, and they did an excellent job. Definitely recommend!

  • reviewicon
    , 05/12/2020

    Very happy with Hammers' service, expertise, and honesty! Just had my brakes done on my Jeep, and they did an excellent job. Definitely recommend!

Call us for service: 608-244-9090

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  • Car Care Aware