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

Working Hours
  • Mon 8:00AM - 6:00PM
    Tue 8:00AM - 6:00PM
  • Wed 8:00AM - 6:00PM
    Thu 8:00AM - 6:00PM
  • Fri 8:00AM - 6:00PM
    Sat 8:00AM - 5:00PM
  • 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 4th Street Auto & Tire, 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
    , 02/03/2023

    I shopped around for a while ever since moving to long beach and these guys by far are the best. pricing for services are competitive along with high quality customer service and work. I Will be coming back for all my car needs in the future.

  • reviewicon
    , 02/02/2023

    Had a very quick and helpful service, they ordered my tire and within an hour they had me back on the road without any issues. Will be using their services again in the future if I need to.

  • , 01/29/2023

    They did an oil change and fixed my brakes and now my car feels like new! Super friendly staff, would definitely recommend them if you need any work done.

  • , 01/24/2023

    Great customer service

  • reviewicon
    , 01/24/2023

    Oil/filter change, diagnostics, tire rotation

  • reviewicon
    , 01/22/2023

    I won't take my car anywhere else. Trustworthy, honest and affordable.

Call us for service: 562-612-3142

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