After turning the furnace on,... Wonder if anyone can share some tips. First thing is to start with checking the freon pressure. In order to find out why your AC compressor is NOT turning ON, I recommend that you, first of all, check the components that are outside the compressor first (AC electrical circuit), and then start checking the compressor itself. With the car turned off, open your hood and take a look at your AC system. Turn on your AC even if it isn't working, and go to the front of your car to listen to the compressor. Check the belt to see if it's loose or missing. submitted to our "DoItYourself.com Community Forums". One of the most common problems in the car’s AC systems is that the compressor isn’t working properly or not working at all. suggestions. This will make your AC system lose Freon so cooled air flow is noticeably warmer. Pieces of debris and mud can hinder airflow under the hood of the car, which will prevent your AC from working. Even though we recommend products that we like, some of them are linked to our affiliate partners that will pay us a small commission at NO cost to you! We use cookies to ensure that we give you the best experience on our website. A key component of any car air conditioner system is the compressor. David enjoys racing cars, playing tennis, and running in his free time, and he is always on the lookout for new and interesting innovations to improve his business. You are using the information provided at your own risk which includes, but is not limited to, maintenance or repair, operation, installation, and safety precautions. problems contact [email protected]. You need to know these things before you take your car to the shop and go for the most expensive solution, which would be replacing your compressor. Before making any final decisions, you need to perform a little troubleshooting and try to find out the source of the issue. It’s impossible to troubleshoot problems with your air conditioning if you don’t know much about how it works. The cold Freon then goes through an evaporating core, where the cold air it creates is released into the car. This prevents from engaging the whole mechanism when the AC is OFF. When the compressor doesn’t turn on at all, it can mean a couple different things. You may freely link If it's silent, you may have a fuse that has burnt out or disconnected. The Freon goes through expansion valves where the gas/liquid combination expands or contracts based on how much air conditioning is needed. Depending on the ambient temperature (air temperature of outside atmosphere), the static pressure of a full system should be around 90-110psi assuming you are checking the A/C when it is actually hot outside. He built several cars that ran successfully in his Country drag racing circuit and is currently working on a brand new car to be raced on the 2021 season. Website operating Get to know your own AC system, and you’ll find out that it’s not as complex as you think it is. ElectricProblems.com also participates in other affiliate programs and is compensated for referring traffic and business to these companies. Can’t figure out what's wrong with your air conditioner? 2. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. One of the most common problems in the car’s AC systems is that the compressor isn’t working properly or not working at all. Compressors have a pulley that rotates along with the crankshaft pulley by the accessories drive belt (also called “serpentine belt” or “poly-V”).