Know about why Car AC not blowing cold air after recharge. Bring the car to a reputable auto shop that specializes in car air conditioning systems. When Freon starts to get low, the A/C can start intermittently blowing out cool air—particularly when it reaches a certain speed—and blowing hot air at other times. There are many components and other systems that can cause warm air to come from the vents. Electrical issues are perhaps the most difficult problem to diagnose when it comes … But what if the car ac doesn’t blow cold air at all? If it can be located and if you think that you can fix it yourself, then go ahead with it. You also have the option to opt-out of these cookies. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. This is a substance that provides the means upon which the system can get rid of excess heat and provide the necessary element for cooling the passenger compartment. You can find refill kits at many automotive stores. To better understand where the problem lies, it is important to know a little about the components of your car AC. I stopped by a mechanic and he checked my AC motor and said from the engine area the AC is blowing cold air but the issue is the air getting into the car cabin and take it to the dealership. By addressing these problems early, it can help to ensure bigger problems do not arise in the future. When idle, the ac will work just fine and eventually start to blow hot air. Dysfunctional Thermostat. In either case find a reputable mechanic and bring it in for service. We've created informative articles that you can come back to again and again when you have questions or want to learn more! Other possible causes can be obstructions in the system, or the blend air door in the HVAC (Heating, Ventilation & Air Conditioning) unit being stuck in the ‘HEAT’ position, due to which the evaporator receives no air. To get rid of this problem, you first have to check the condenser of your car. You may require to take it to a mechanic to fix the issue. This typically happens if the engine is too hot, so be sure to check your carâs temperature. If this is the case, be sure to take it into a mechanic as quickly as you can. The problem of a car air conditioner blowing hot air on one side is mostly seen in cars which have a dual zone climate control system. Here are some things to keep in mind when you are experiencing a problem of car air conditioner blowing hot air. Why is My Car Air Conditioner Blowing Hot Air? The days are getting hotter. With that in mind, it’s possible that an electrical issue is the reason why your vehicle’s AC is blowing hot air. Collecting Initial Information Turn the air conditioning on while the car is running. Replacing Struts On A Car – Step by Step Process! Dog Car Seats Review: Small, Average and Large Dogs, Buying Convertable Car Seats: Pros and Cons. We hope you enjoy this website. The fans could actually be broken, like a burnt out motor, bad mount a chipped fan blade, or they could simply have an electrical problem like a blown fuse or burnt out relay. Most cars do not have AC vents, only climate control vents. Brian England, Mon, May 15, 2017. When this happens, it restricts the flow of the air conditioner refrigerant in the line, which means there is a leak somewhere. Here are some of the most common reasons. Take note that a clogged condenser is just a contributing factor to why the car air conditioning blows hot air and not blowing cold air. Recommended to you based on your activity and what's popular • Feedback This category only includes cookies that ensures basic functionalities and security features of the website. The refrigerant is the soul of the AC. If you discover this to be the reason why your car air conditioner is blowing hot air add Red Angel A/C Stop Leak to your vehicle’s air conditioning system to seal any leaks no matter how small they are before you recharge the system. It was added by the dealer. To ensure that you remain safe, the electrical system shuts down in an effort to prevent overheating and to avoid damaging other parts of your automobile. In summers, it can be a real nightmare. The most common cause of hot air coming from car AC vents is low levels of refrigerant. The hot air is blown directly from the engine if the blend door isn’t working properly. Ultimately, if you are dealing with air conditioner blowing hot air situation, follow these steps to determine the problem. The condenser is responsible for the removal of the heat absorbed by the refrigerant. R-134a is a new form of refrigerant which is eco-friendly, and less expensive than the R-12 coolant which was used in a few older automobiles. Like high setting of heater hot. If you've got a problem with your car air conditioner blowing hot air, then it can be a cause for concern. There can be couple of reasons for the air conditioner to blow hot air. Select Page. If your air conditioner is blowing warm air, or just not working properly, it is best to schedule service ASAP to maximize your comfort. You can clean it with a soft brush, or with forced water. But opting out of some of these cookies may have an effect on your browsing experience. These cookies will be stored in your browser only with your consent. Another way to determine why you are faced with a problem of car air conditioner blowing hot air is to see when the unit blows warm air. One of the most important components of the car AC is the compressor, which is a mechanical pump that pumps the refrigerant. If this isn’t the case, the next car air conditioning troubleshooting tip is to see if there are any leaks. It recirculates warm air from inside the cabin and replaces it with cold air. However, the best person for fixing a car air conditioner is a mechanic. The most common cause of an AC system blowing warm air is a lack of refrigerant, though, you may also have a problem with your condenser. At this point, I would usually drive away the block, and the ac would start back blowing cool air. Yet the problems that can cause an auto AC to perform in such a way tend to be the same problems. You can check for puddles under you car, as well as check the level of your Freon. If your air conditioning is blowing warm or even hot air, there are a few potential causes. Another main reason why the AC doesn’t work in a car is because of the compressor problem. If Your Air Conditioner Is Still Blowing out Hot Air. Best Car Batteries For Hot Weather – Top 5 Picks! Within your car, the AC system is sealed and thus, you should never need to top off your … If this isnât the case, the next car air conditioning troubleshooting tip is to see if there are any leaks. Thankfully, in this handy guide, we’ll review each of these car AC problems in detail. Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. If your car AC is blowing hot air, it is very likely that the refrigerant … Your car’s A/C system is made up of a jungle of wires, switches, … Within your car, the AC system is sealed and thus, you should never need to top off your … It’s that time of year again. You need to clean it properly to remove the dirt or debris on it. If you notice that your thermostat gauge stays on the “C” even after the … A refrigerant is a fluid which cools the air by absorbing heat from the interior of the vehicle, and is responsible for the cooling effect. First, the air conditioner may not be the problem. Essential Tips for Maintaining a Car You Rarely Use, Safe Driving Tips Every Car Owner Should Know. I had a 1980 Ferrari that did not come stock with AC. Electrical Issues. When it is not, which of course occurs on the most brutally hot day of the year, the A/C suddenly becomes a cruel joke, blowing warm, stale air into your vehicle. First, either the refrigerant is unable to absorb the heat from the car interiors. In this case, you need a mechanic to check the problem, bring the car to a reputable shop specializing in auto ac repair, and have it … And that is because of the low pressure safety switch (it is a part of HVAC system). This is often the case. In fact, here in Columbia, MD we are expecting the temperature to hit the 90’s this week. This website uses cookies to improve your experience. Well, the compressor is important because if it is not lubricated properly then it will wear out, causing further more car problems, Hence, it is really very important to check if the compressor engages properly while the AC is turned on. We also use third-party cookies that help us analyze and understand how you use this website. Ask the mechanic to check for leaks then repair if necessary. If you notice that it initially vents out cold air, but over the drive goes to warmer air, then the problem is likely a frozen expansion pipe. However, if the cabin air filter is fine and cleaned and still the ac vents barely blow air even if the car ac is set to "recirculate" then it is a more serious problem. If you feel that your AC is not throwing enough cool air, then it may also mean that the refrigerant is leaking out. The Refrigerant is Leaking. Best of all, fixing the system quickly will help you stay comfortable in warmer seasons. The refrigerant passes into a part called compressor, which pumps it. When it isn’t, driving in your car can be uncomfortable, especially on hot summer days. I understand how frustrating it can be if the air conditioner of your car doesn’t work and leaves you sweating. If it is a leak problem, then your mechanic will track from where it is leaking, and then fix it. One of the most common roots of this issue is a lack of refrigerant within your car’s AC system. Car Seats For Toddlers – Top 5 Models Comparison. If you find that hot air is still coming out after both recharging your refrigerant and removing any debris that may be blocking your air conditioning system’s components, you should take your vehicle to a certified mechanic. Such systems allow you to control the temperature in the passenger compartment of the cars as per your comfort level. The problem of a car air conditioner blowing hot air on one side is mostly seen in cars which have a dual zone climate control system. There are exceptions. Electrical Issues. You are driving along and notice your air conditioner is only blowing warm air. Your vehicle should have a complete relay diagram showing the location of all of the vehicle's electrical components such as … In this article we find out why this happens, and what can be done to stop it. A faulty compressor will definitely cause your car to blow warm air or—even worse—no air. The condenser looks like a mini radiator, and it is situated in front of the radiator of your car. Let’s take a look at a few of the reasons why your car’s AC could be blowing hot air. We'll assume you're ok with this, but you can opt-out if you wish. Inspect the components to determine where the leak is and seal them. Refrigerant level low. How To Attach A Blind Spot Mirror To A Proper Position? These cookies do not store any personal information. In this short auto repair article, a master automotive technician shares his experience, derived from working on air conditioners in Florida for the last couple of decades. The air conditioner … If you are uncomfortable doing the fix yourself, see a reputable mechanic. This happens to many people. Take your car to a car repair shop which is expert at AC repairing. The compressor of your car will not turn on, if there is a low level of refrigerant. Your AC Refrigerant is Leaking. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. I have tried the AC but again it doesn't work. This is done by the refrigerant, which starts as a liquid and then “boils” in the evaporator as warm air from the cabin flows across it. First of all, your electrical system might be having problems. Like having a blocked condenser, having broken cooling fans can cause a lack of cooling at your condenser and could cause your car AC blowing hot air. Over time, the AC cycles the air and turns it into a cool one. Other possibilities include a faulty compressor, broken cooling fans, or an issue in your electrical system. Such systems allow you to control the temperature in the passenger compartment of the cars as per your comfort level. Although an automotive AC system has few moving parts, diagnosing why your car is blowing warm air can be tricky. If itâs hot in a situation of car air conditioner blowing hot air , then itâs an engine problem. At a few potential causes good writers who want to spread the word user consent prior to running these on. Out of some of these cookies will be stored in your electrical system it to reputable. Pumps the refrigerant passes into a mechanic and mini Review a lack of refrigerant water and... 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