To learn other issues that might be causing your car's AC to not work properly, keep reading. Thank you. The heater, however, is a different story. Important Tip: If your car heater stops working, schedule an appointment to have us check it out. About Car Heater Fans. Check the fuses under the hood, and check under your glove compartment for a cylinder shaped motor. What do I do if the air in the vents is coming out hot when the AC is on? There are other components that could also be bad. While you may be getting hot coolant/antifreeze into the heater core, the heater fan, the part that actually blows the heat into the cabin, can break or suffer an electrical short. Easy to understand. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. relays is under the hood I've put coolant in it, and it works for a few seconds, then stops. Very informative, thank you. My answer will add some very needed physics here. I've check he fuses they all look ok, the fluid level is ok. The AC system is a completely separate entity; the only connection it has to the engine is at the compressor pulley, which derives its power from the crankshaft. Usually it works the 1st time you commence the vehicle up for the day, and occasionally after that (if its not sweltering hot outside, I dwell in Florida), and also it will normally work at night. I have an interest in, "I love it. To learn other issues that might be causing your car's AC to not work properly, keep reading. By using this service, some information may be shared with YouTube. I can't do, "My 2009 Honda Civic AC stopped working when the outside temperature was around 92F and then I went online on, "I am currently buying a car with AC problems, and was just interested to learn more about what to look for. Checked for battery at the blower, when the car is running. I feel we need some clarification from Courtney. Need help please. Freezing can also be caused by an oversaturated receiver/drier or accumulator. Diagnosing the reason that your air conditioning isn’t working will help you determine whether the problem is one that you can fix yourself or if you need to take it to a repair shop. someone. Wear long sleeves and gloves whenever possible. ", auto mechanic myself, just wanted more information. Got Climate control? Your air conditioning system uses a refrigerant, a compressor, an expansion valve and two heat exchangers to manage air flow and cool the air inside the cabin of your vehicle. If you have been driving for sometime and you noticed the system stops working the first thing to check it the engine temperature gauge or warning light. ", "Good knowledge for diagnosing problems. Check coolant levels by inspecting: ", "Suggestion about the AC compressor clutch helped, thank you. If changing the selected vent does not alter the flow of air, you likely have a blend door problem, which will require replacing the doors inside the dash that determine the direction of the air flow. Never touch your eyes or mouth after handling Freon or other chemicals. The air conditioner … Hey! This button also won't turn off unless the fan is not on at all, and there is not cold air blowing for the AC. If you do find a leak, you will likely need to hire a professional to repair the leak. This article has been viewed 1,398,749 times. There could even be a puddle of liquid under the front of the vehicle. This article has been viewed 1,398,749 times. My heater is not that hot on the driver side and on the passenger side car in t is cold. There are a number of different underlying causes that can lead to these situations where a car heater suddenly stops working, but you’re typically going to be dealing with either one or the other. wikiHow marks an article as reader-approved once it receives enough positive feedback. Oily spots may indicate a refrigerant leak. The cabin heater has stopped blowing warm air, the a/c works fine but just cold blows when I turn the heat up. If there's low air pressure coming out of the vents, you may need to replace the cabin air filter or fix the blower motor. Take it to an AC specialist and tell hm that. Becouse of the audi/machintosh system that overloads when you use a frequency of over 5,4 ghz. If it doesn’t, try searching online for “replace cabin air filter” followed by the year, make, and model of your car (for example, you might search for “replace cabin air filter for 2006 Toyota Camry”). ", any of this myself, but it will help understand more what I am told by repair shop. Faulty Heater Fan. ", knowing more about this career, thanks a lot! If you notice that your thermostat gauge stays on the “C” even after the … I'm not sure what else to check. Why is the Heater Not Working? It only blows hot air on 3 and 4. When I turn my a/c on it blows hot air and the fans don’t run. My truck heat works; it defrosts, but only on 3 and 4. It made it so nice, and I could understand it way easier. The heat worked in the entire car. How do I diagnose a 2008 Crown Victoria police model with no air conditioner or heat? I checked for leaks, and it doesn't have any. Can u please tell me what the problem of s. My car does not over heat. ", How to Diagnose a Non Working Air Conditioning in a Car, http://www.agcoauto.com/content/news/p2_articleid/256, http://www.motor.com/article.asp?article_ID=1874, http://www.firestonecompleteautocare.com/cf/maintenance/car-air-conditioning-repair-troubleshooting/, http://www.youfixcars.com/blower-motor.html, https://www.youtube.com/watch?v=PMM80xlon3U, http://www.agcoauto.com/content/news/p2_articleid/258, http://www.youfixcars.com/automotive-air-conditioning-safety.html, diagnosticar un aire acondicionado de automóvil descompuesto, Diagnosticare il Problema del Condizionatore non Funzionante dell'Auto, диагностировать неисправность автомобильного кондиционера, diagnostiquer une climatisation qui ne fonctionne pas, Eine defekte Klimaanlage im Auto diagnostizieren, Mendiagnosis Penyejuk Udara Mobil yang Tidak Berfungsi, Achterhalen waarom de airco van je auto niet werkt, Tìm nguyên nhân máy điều hòa ô tô không hoạt động, अपनी कार के एयर कंडीशन के नहीं काम करने की वजह पता करें, Arabanın Kliması Çalışmıyorsa Hata Tespiti Nasıl Yapılır, consider supporting our work with a contribution to wikiHow. My car is Renault 2015,now I am in in journey,my ac is not working ,and even not blowing air also what to do,is there any emergency solution for this.or ,what to check if to know the problem is ? You are also less likely to be taken advantage of at a repair shop if you already know why your AC is not working. Blend doors change position when the temperature selection is changed, blocking the flow or permitting the flow of either hot or cold air. You will probably need new parts too, as many of the components cannot be repaired or patched. Call the utility company to see if there is a problem with your account or if there is an outage in the … I’m guessing yes. ", "It has explained all the issues that may be wrong with the air. heater control switch switches in between air conditioning unit and heat not the identical system air conditioning unit device runs by freon well did and heater operates off coolant high temperature from heater center the swap in between scorching and chilly not switching swap red to blue or air conditioning to high temperature / heater management.