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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
    , 10/05/2022

    Great service and the trucks were very nice and clean, I would use there services again. Check them out when you need to move I'm sure they will be able to accommodate you.

  • reviewicon
    , 10/05/2022

    If you live in Long Beach or the surrounding area … this is where you need to go! I have been coming here for years and am happy every single time, they’re friendly, have great services and rates, very quick too, Jacob and Art do great work, you can’t go wrong here!

  • reviewicon
    , 09/26/2022

    I always have a great experience at 4th Street Auto when I need auto service. Jake is a real pro! Helpful, friendly and knowledgeable. I appreciate him everytime. I will definitely go back if needed!

  • reviewicon
    , 09/23/2022

    Quick and personable. I've been going here for almost 10 years.

  • , 09/23/2022

    My car was leaking coolant and had to have unexpected repairs. Jake got to the root of the issue and also worked with my budget! Go see Jake and Art at 4th Street Auto.

  • , 09/20/2022

    Knowledgeable, nice, fast and affordable. Thanks Guys.

Call us for service: 562-612-3142

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