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 Affordable Auto and Truck 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:
This is the third time, we have used Affordable Auto and Truck Repair. They are honest. After looking over our vehicle, they told us what needed to be repaired. They did not try to add items, or get money for repairs that were unnecessary. They were very efficient, and on point with price and completion. We highly recommend and will continue to use this company.
I recently had a serious emergency with my Toyota tundra and the dealership really lied to me and try to take me for a ride almost $5000 until I found Affordable Auto they checked everything out so many things were over embellished from the dealership and or just a straight lie. They saved me $3000 plus I got brakes out of it as well as the things that needed to be fixed so I'm pretty happy and they've been very very responsive and have checked on me after service to make sure I'm happy with everything really means a lot that they follow up definitely will recommend this place to anybody.
The guys who work here are great at what they do. I came to them to get my compressor fixed under my car dealership warranty. Troy took care of the entire thing & even spent hours on the phone negotiating with my warranty company to make sure that I had the most affordable price & my car back as soon as possible (as he knows I have children & need a vehicle) They even threw in a desperately needed free oil change. I can't thank them enough. This is my new favorite spot to take my car & I will be recommending all of my friends & family to come here. Thank you so much to this crew for fixing my AC in the middle of summer!
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