Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat 8:00AM - 5:00PM
  • Sun Closed
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303-751-0901 | 16810 E Iliff Ave, Aurora, 80013

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

Autoworks Service & Repair

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 Autoworks Service & Repair, 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

It has never happened to me until today!! I have owned different cars for 25 years and I never have gone to a mechanic that quote me a repair only for that same mechanic call me back and tell me he found a cheaper way to fix my car and save me money!! WHAT!!! JUSTIN YOU ARE AWESOME!!! Great customer service, taking your time to find the right parts and the right way to do and excellent job! Honesty that's what many business lack today, doing their job well and with honesty! I have found a special needle in a stack of needles called Autoworks Service and Repair!

, 07/20/2021

reviewiconNick and Johnny are awesome!
Denver, CO

Folks, if you have a vehicle you're done making payments on, take it to these guys. My car drives and sounds the same as the day I drove it off the lot. Nick and Johnny are awesome!

, 05/27/2020

reviewiconVery Satisfied

My son had an intermittent issue with his Jeep. Another mechanic could not find the problem. Living out of town, I did not know of any reputable repair places where my son could get his problem resolved. I searched the internet, read reviews and decided to take a chance here. Very satisfied that they were able to get him in next day. Even thought it took a little longer than hoped for to get it repaired, they found and fixed the issue. I am even happy with the price. As my son said: "It drives better than it ever has before" Thank you Autoworks

, 11/22/2019

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Extremely helpful and honest.

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Guys are friendly and knowledgeable. They were up front with everything, and the quoted me an accurate price. I will most likely go back.

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The guys here do great work and keep you informed on what's going on. Honest work and very affordable prices. I would recommend this place to anyone.

  • NAPA AutoCare Center
  • UHaul Authorized Dealer
  • Amerigas
  • ASE (Automotive Service Excellence)
  • Car Care Aware
  • Call Us For Service: 303-751-0901