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 Trend Auto, 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:
I love taking my car to Trend Auto they inspect my car whenever I take it in there to make sure everything is running right even if I just need an oil change and filter, Robert is awesome as is Tony and all the technicians. Prices are great a lot cheaper than taking them to the dealership. Well so they are very honest and very easy to deal with. Best place to go when you have a problem with your vehicle.
I want to deeply thank this auto location for taking the time for figuring out my car that I've had a issue with these past couple months the last auto place told me misinformation that caused me to lose $180 for a repair not needed within minutes this location figured out my problem with a simple milewise plug in causing my car to have misfires and hesitating after they unplugged it my car is back to driving like it should and my oil change was done within minutes I absolutely will be coming back for my car needs. T H A N K Y O U !!!!!!!
I came here a few months ago because the belt in my truck shredded. They replaced it, but the Owner noticed I was still under powertrain warranty and went to bat for me with my dealership when they said the issue would not be covered. I had an oil leak in my truck this time and since I was due for an oil change anyway, I went in. Again, owner pointed out that I was still under warranty and if it's a big issue dealer would cover it. They did my oil change and my filter was just loose. They didn't try to oversell me on anything. They got me in and out. I truly feel they actually care about their customers and don't just try to get them to spend the most money they can. The staff is very friendly and knowledgeable. As a woman, I feel very comfortable going in and know that I will not be taken advantage of. Also, the oil change price was great, better than most places around here. Definitely check them out.