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

Working Hours
  • Mon 8:00AM - 5:30PM
    Tue 8:00AM - 5:30PM
  • Wed 8:00AM - 5:30PM
    Thu 8:00AM - 5:30PM
  • Fri 8:00AM - 5:30PM
    Sat 9:00AM - 12:00PM
  • 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 Arnst Ocean 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

What People Say About Us

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    Great guys!!

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    This place is by far one of the best shops I've taken my car to. Very clean shop, experienced mechanics and people who went the extra mile. Thanks Arnst Ocean.

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    Arnst Ocean Automotive has saved the day for me quite a few times now on my 1966 Mustang. Whether you have a classic car or a modern car, I highly recommend this shop. They are upfront and honest, and they are completely transparent with the work that is needed and the price to get the job done.

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    Just a great shop! I drove in after hours with a flat and the 90 degree sun stalking me. The owner came out, didn't gouge me price-wise, and made a bad day a little less terrible. A reminder of how things used to be. I recommend.

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    Dave Clayton and his son make getting your car fixed a pleasure. Have total confidence in them.

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    Dave is the best!

Call us for service: 561-265-1374

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