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 Mechas Auto Body, LLC, 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.
Reviews
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This place is fantastic. My car failed inspection at Pepboys due to an issue with my muffler and I was basically told to go find someone else to fix it. Mechas was open on Saturday to fit with my schedule, accepted my vehicle as a last minute add on, andthe crew was even willing to stay late after closing time to get my repairs done at the highest quality possible. I am incredibly satisfied with both their work and their customer service, and recommend them wholeheartedly to anyone looking for car help. Jacob Ball, 08/23/2026 |
"They Delivered What They Promised" As a very apprehensive female customer, due to past exploits from previous mechanics who worked on my Toyota Avalon, I'm simply "Over the Moon" Happy and more than Satisfied with the auto body and significant paint repair service I received from Mechas! Starting with Nicole and the exceptional Customer Service, coupled with the very personal highly competent, expertly skilled workmanship, Transparency, Integrity, and ultra Professionalism, I truly could not be more pleased. They worked to support and satisfy my auto needs within the parameters of my determined budget. "Hands Down they are a 5plus,plus, plus Star Operation! I will surely be a returning customer and recommend that you also give them a try. Ms.K 7/30/26 Kshea5 T, 08/22/2026 |
I really appreciated the work they did. They communicated with me through out the process, and when they were done they detailed and cleaned the interior. Above and beyond! Highly recommended! Brian Kelley, 08/16/2026 |
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