Working Hours
  • Mon 7:00AM - 5:30PM
    Tue 7:00AM - 5:30PM
  • Wed 7:00AM - 5:30PM
    Thu 7:00AM - 5:30PM
  • Fri 7:00AM - 5:30PM
    Sat Closed
  • Sun Closed
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402-333-9999 | 1307 S 120th St, Omaha, 68144

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

Jensen Service & Diagnostic

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 Jensen Service & Diagnostic, 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 Our Customers Are Saying

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I just can't say enough good things about Dave and Mike Jensen and their amazing team. A true generational family business with decades of experience (and we've been taking our cars there for a couple of those decades!), these guys are always honest and incredibly thorough. On one occasion, they researched the repair they were doing on my Buick and discovered an old service alert that meant I could possibly get reimbursed for some of the repair. They helped me submit the paperwork and remained available throughout the process until my refund was successfully processed. They didn't have to do that, I already paid them. But that's the kind of personal service and attentiveness you get from them. Highly recommend!

, 09/14/2021

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Thanks again for a fantastic job on my car. You guys are top-notch. I appreciate it. Thanks

, 09/03/2021

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I've been using Jensen for 10+ years. They shoot you straight and give the best service around. Getting to talk directly to the owners in my book is the best part. They truly care about their customers. Also their front guy Rodger is full of knowledge and I feel like I can ask him anything. I've sent all my friends to them and they get the same service I do.

, 08/04/2021

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I had a big problem with my BMW's timing chain and variable drive system, and Jensen Service & Diagnostic was able to work with my extended warranty company, keep me apprised of repair status, and complete some very difficult disassembly, reassembly and testing. Hats off to Jensen Service & Diagnostic for their professional and personable approach, they are very trustworthy and a pleasure to work with.

, 03/26/2021

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Jensen Service & Diagnostic is very trustworthy. Our 2011 Toyota Corolla was leaking oil. The dealership said it would cost $2,142 to repair. We sought a second opinion from Jensen Diagnostic. They said it was a minor repair....basically it just needed an oil change for $37. It was completed the same day and hasn't leaked oil since. Jensen Service & Diagnostic saved us more than $2,000! We are very grateful.

, 02/17/2021

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We were recommended by a different mechanic to visit Jensen Service for a big electrical problem our car was having. I am so glad we had them look into it because they were able to find the problem within the day and had it fixed and running like new again that same week. Prices are fair as well! Would recommend these friendly guys and we plan to use them again in the future for any vehicle repairs. It's a huge relief finding a mechanic you can trust! Thank you Jensen Service!

, 12/23/2020

  • ASE (Automotive Service Excellence)
  • ASE Master Technician
  • Auto Value - CSC
  • Call Us For Service: 402-333-9999