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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 Closed
  • 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 Blacksmith European Motorworks, 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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    The folks at the Blacksmith European Motorworks really take care of their customers and their cars. I have a 1986 Volvo that has needed many repairs in the last year and they helped me every step of the way. Stephan and his team rebuilt my whole exhaust system so that I could pass smog for a fraction of what I thought it was going to cost. They really look out for the customer and never give up on the cars that they love. This will always be my first choice for any service big or small.

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    Blacksmith European Motorworks provides honest, reasonable priced service, with great results. My Volvo S40 just had it's tune up the the guys there are very honest with you. If it is just an oil change that is what you get. If they detect upcoming problems, you are informed and are given the information needed to either have work done then or wait a couple months. This honesty is something I treasure, plus they outstanding job they have done with my car.

  • reviewicon

    I came from Seattle, and my 9.5 Saab started oil leak. I took my car to Blacksmith European auto shop and received warm welcome. Immediately my car checked and diagnosed and source of problem found. I recommend this shop to all Saab owners.

  • reviewicon

    They repaired my car as scheduled, helped me understand the safety features, and followed up as promised. I don't feel crazy for owning a Saab in this shop, or at least I feel comfortable with it. It is a very comfortable waiting area, and there are a variety of good restaurants nearby, so I would go back for regular service from people who I believe would notice anything else that might become a problem.

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    I can't say enough good things about our experience at this shop. My teenage daughters just bought a used Volvo a few months ago, and when it needed repairs we brought it in to Ken. As usual we were extremely satisfied from start to finish. We have known him for many years and he is always very professional and trustworthy. His shop is clean and the waiting room is very pleasant. The repairs were done quickly and the girls were happy to be back in their car! I highly recommend Blacksmith European Motorworks

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    Blacksmith European Motorworks is the poster image of authentic customer service. At the front counter, Ken gives attention to ensuring that the customer understands the work order and that the pricing is fair. Behind the scenes, Blacksmith's highly-qualified mechanics are treating every car like it is their own. If your need is major work or simply a tune-up, stop in, you won't be disappointed. And, no, I am not family or friend; I am, truly, a super satisfied customer. Thanks Blacksmith European Motorworks!

Call us for service: 949-753-1575

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