As the gas travels through this component, the temperature drops, and it turns back into a liquid. The condenser works in a way very similar to your car’s radiator. Condenserįrom here, the compressor forces the gas through a condenser. As a result, it forces scorching, highly-pressurized refrigerant gas into the high-pressure area of the system. The compressor compresses the refrigerant gas within it by squeezing it between two points. When the nozzle opening narrows, the water shoots out further with more force: higher pressure. When the nozzle is wide open – just a big hole – the water comes out slowly. To get your head around this, it might help to compare your thinking with a hose pipe. The pipes with a narrower diameter are high-pressure. The larger-diameter pipes are lower pressure. You can tell which side is which from a quick look at your air conditioning system. These are what we call the high-pressure and low-pressure sides of the compressor. Compressorįrom the compressor, two lines lead in/out. These components might include the alternator, the power steering pump, and – such as is relevant to this article – the air conditioning compressor. This belt can drive several components, depending on how the company designed the car. The serpentine drive belt is attached to the crankshaft – the “power output” shaft of your engine if it helps to think of it that way. Have a quick watch – this video is 7 minutes long but well worth your time. Sure, adding cold air in is a by-product (as you’re trying to figure out how to make car AC colder), but it’s not the primary purpose. Instead, it’s to remove the hot air and associated humidity. The main job of the AC in a car isn’t to push cold air into the vehicle. Here’s a fundamental fact that most people don’t quite grasp. Sure, it’s considerably more efficient now, but the principles governing it are pretty much the same – a bit like the internal combustion engine. The modern AC system hasn’t changed much in the last 60-odd years. Miscellaneous Car AC Facts How Does An AC System Work.How To Release Pressure From The AC Unit.What Causes AC Low Side Pressure Too High.What Does ‘AC Low Side Pressure Too High’ Mean.There are additional guides, references, and resources here that you might handy for diagnosing car AC issues, too. Not to mention, how to diagnose and fix this issue, as well as what it’ll cost you for a professional repair. Moving on, we’ll then look at the respective symptoms of this issue, and what causes your car’s AC unit to go awry. This means diving deep into how a car’s AC unit works.īesides that, we’ll be looking and analyzing what “AC low-side pressure is too high” actually means. In this article, we’ll be discussing the issue of why your car’s AC low-side pressure is too high. When the compressor’s low-pressure side is too high, it inhibits the system’s ability to cool the incoming air. One of the (many) possible reasons for your AC not working is an imbalance in pressure. As a result of this, you’ll probably notice your air conditioning not working correctly. You know that feeling when you open the car door on a hot, humid afternoon, and it feels like hell itself comes bellowing out? It’s not an uncommon problem with automotive AC systems to find the pressure on the “low” side of the compressor being too high.
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