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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
    , 09/18/2021

    These guys are a great neighborhood business, I really appreciated the service and the price and when I picked up the car no surprises exactly what they told me it would cost it was, can't thank this business enough for hassle free service.

  • reviewicon
    , 09/16/2021

    Order my size tire and had me in and out the following day seem like real genuine people who work there.

  • reviewicon
    , 09/09/2021

    I got a flat tire and was towed here for service. The staff was super nice, helpful, and completed my repair in under 30 minutes! Amazing service! Definitely recommend!!

  • reviewicon
    , 09/08/2021

    Very knowledgeable, friendly, and affordable service. 10/10 would recommend.

  • reviewicon
    , 08/26/2021

    First time coming, John was helpful and will definitely come back .

  • reviewicon
    , 08/19/2021

    They were about to close and still serviced my truck!

Call us for service: 562-612-3142

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