This is normally a gradual process. To make sure that your AC works at its best, do the following: Your AC will also be prone to emitting bad odors because of mildew and bad smell absorbed from the environment. There is no battery to operate the blower. A broken condenser is another real cause for which your car AC might not operate properly. Various car ac cooling problems include a completely nonfunctional air conditioner, hot air blowing from it, or your ac blowing cool air instead of maintaining proper cold temperatures. How to fix car ac that's not blowing cold air in your car DIY with Scotty Kilmer. Restrictions in the System: What happens when you kink your garden hose? It’s easy for us to tell if your A/C has a leak. You can buy a UV/AC detection leak kit and perform the task yourself easily. [All Airstream Models]. Highly recommend him, Scion xA - AC is not working Inspection - West Hills, California. © Use high-quality fluids like grease, lubes, fuel, lubricant, etc for your vehicle. Cars use defoggers to remove fog and moisture, which are actually heat-generating defrosters. Here are some tips on how to properly care for your car’s AC: eval(ez_write_tag([[580,400],'roadsumo_com-narrow-sky-1','ezslot_23',117,'0','0'])); Your air filter will accumulate dust and dirt, just like your AC unit at home. It may also be blowing cold and then warm alternately. This is the most common reason for why your car’s AC is not blowing cold air. Low refrigerant levels due to a leaky O-ring, seal or other component are the most common problems... Safety First!. Replacing your air filter can be done quite easily and is inexpensive. One of the most common reasons why your car AC stopped blowing cold air is a leaking refrigerant. If your car’s AC is not blowing cold air, address problems immediately so that they do not get any worse.eval(ez_write_tag([[300,250],'roadsumo_com-leader-2','ezslot_7',120,'0','0'])); During the hot summer months, you’ll need your AC to be working in tip-top condition because driving in a hot, humid car is really uncomfortable. I checked the refrigerant pressure with the engine on/ac on high and it falls into the “full” level. I would suggest that you get the A/C lines replaced again. Bad Clutch Cycling Switch: If the clutch cycling switch has failed, then the electromagnetic clutch on the air compressor won’t kick in, which means that the refrigerant cannot be pressurized and the system won’t work. Although I have mentioned all the necessary steps to be taken for particular problems, the key is to prevent rather than cure. Definitely. Is It Worth Buying a Used Lexus or Other Luxury Car? Checked continuity of 40 amp blower fuse; it's okay. These are the evaporator, compressor, and condenser. [Miles and Years]. The detection kit uses dye, and it shows you exactly where the leak is. Fuse boxes may be located in the trunk, hood, or driver’s foot area. Blend air door is the reason for drawing hot air to cold air in your car system. What a great experience. The The average car today contains a bewildering range of sensors that feed information to various computers to monitor everything from air intake to emissions and engine timing. Both of them work to regulate the flow of Freon throughout your air conditioning unit. Another such case, it can be very irritating when car AC not blowing cold air when idle or not work at all, although it is a common problem. Here's why your air conditioner... Refrigerant Leaks. But if you do happen to notice that your car air conditioning is not cold, you might just be low on freon. At some point your car’s AC might stop blowing cold air all together. Chevrolet Impala - AC is not working - Newport News, Virginia, Matt was on time and during the discussion with him he showed a great deal of knowledge about my a/c issue. Low coolant will stop the operation of the air conditioner (the clutch does not kick in and will allow the compressor work if the voltage in the machine is off). When your AC in car stopped working, you might want to check your fan. While there are several potential issues, the most common is low refrigerant. How to recharge ac in car. It makes the refrigerant run through the system and generates cold air. eval(ez_write_tag([[728,90],'roadsumo_com-mobile-leaderboard-2','ezslot_20',112,'0','0'])); To avoid this, you’ll need to run your AC on full blast every 2 weeks or so. Follow the tips we gave above on how to care for your AC so that it runs all the time smoothly. Therefore, it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. The AC evaporator core works as a freezer, cooling your refrigerant. I will be scheduling my next visit from him soon. You will need a mechanic for this, but you can start and inspect the wiring and see if anything is frayed or cut. If your cars AC is still not blowing cold air after a recharge, it’s likely a clog in the system or a faulty part. The AC clutch... Hello. Blower still does not work. How to Replace an Evaporator Temperature Sensor (Switch). You may not use your AC for a while, especially in the dead of winter. Any number of culprits could be causing your car A/C to blow cold then warm air, including: Why is my car air conditioner not blowing cold air . It is best to keep it serviced just before summer. Over time, your condenser will accumulate debris and may clog it. This is a short list of some possible reasons. Some of your A/C system’s parts, including your compressor, are electrical. Thank you Matt, Jeep Patriot - AC is not working - Indianapolis, Indiana. It’s also possible that there is a very simple reason your car air conditioning is not cold, and that is electrical. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics, The statements expressed above are only for informational purposes and should be independently verified. The Causes Why Car AC not Blowing Cold Air When Idle? Try turning the dial down all the way, or pushing the buttons to the lowest setting and see if … A car's air conditioning system becomes less effective over time. The condenser is located at the front of your car and is easy to spot. This problem is also one of the cases that are effortless to fix. Look at your manual and see where it is and check the fuses inside. It may be as simple as changing a wire, or you may need a new fan unit. Top 8…. You will find out what you may be able to do below and also learn the basics of an auto ac system in the video below. Electrical Problems. Cars have a fuse box, but it varies where they are located. Typically, air conditioners will blow on cold as low as 28 degrees F but on a really warm day where temperatures soar into the high 90s, the air may only blow as low as 50-60 degrees F. Tip : Ambient (outside) temperature, as well as air flow in general, also plays an important role in the air conditioner working properly. The car air conditioner is not blowing cold air but running, no air comes out the ac vents at any blower or fan setting. Please turn it on the highest possible setting for about 20 minutes to help keep the compressor to work well and extend its lifespan. PARTS IN AC NOT WORKING – When the AC blows warm air, a part within the AC may be at fault. So follow the steps below to further narrow down the cause of the faulty AC: Your AC has a refrigerant called Freon and is much needed to make it blow cool air. Definitely no BS from him. Some of these problems can be diagnosed and fixed at home, and some will require a mechanic’s expertise.eval(ez_write_tag([[250,250],'roadsumo_com-medrectangle-4','ezslot_4',107,'0','0'])); Read on to learn more about why your car AC stopped blowing cold air all of a sudden, and how to solve this issue. Car compressors break when you don’t use your car for a long period of time. A defective condenser fan. When you turn on the air conditioner in your car, you expect to receive a flow of fresh, cold air. However, that’s not always what happens. The pressure should increase as you turn it higher. eval(ez_write_tag([[336,280],'roadsumo_com-leader-4','ezslot_9',115,'0','0'])); There is a part, the AC clutch, which is an engagement clutch that can fail and makes the compressor fully incapable of functioning. © 2021-2022 Copyright RoadSumo.com - We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Your A/C should start blowing air after the refrigerant is recharged. This is actually the single most common problem for an AC not to blow cold. This door is located in the ventilation system. Why Isn’t My Car AC Blowing Cold Air? Check visually if you think you have a damaged condenser. When the AC suddenly stops working, it can be a frustrating experience. What Sensors in the AC Tell the Car If the System Is Working or Not? Here’s how you can diagnose why your car AC suddenly stopped working: When your car AC not blowing cold air, try to diagnose this by turning your AC to ‘fresh air.’ Let the air blow out from the vents in the center of your dashboard. Pressure should be different when your AC is turned on at low and when it’s turned on at high. Next time the A/C is recharged make sure they completely flush the system by adding fluid back into it, as crazy as it sounds. When your car air-conditioning suddenly stops working, it’s usually due to a leak or issues with the compressor. Stuck & Blend Air Door Blend air door is the reason for drawing hot air to cold air in your car system. Anyone could have told me its a $1,200 repair and I wouldn’t have known differently. Also, note the air pressure of the air coming out. Second time using Bryant and he was, in both instances, able to diagnose and locate the problem. But what if your car air conditioner blows cold and then warm air? When your car is low on coolant, it won’t be able to send any to the heater core to create warm air. Reasons why your car ac is not blowing cold air The common reason behind your car’s air conditioner blowing hot air could either be a bad compressor or a coolant leakage. The Compressors job is to push the cold air from Condenser to the vents. For a more in-depth look at automotive air conditioning systems, read this How Stuff Works article! Reason #2: Problems with Heater Core. Your condenser works to cool the hot refrigerant, and when it is clogged, it can’t do that. Main Causes of Why Is My Car Air Conditioner Not Blowing Cold Air? This is the second time he’s worked on vehicles for me and each time was an excellent experience. Blocked or Broken Condenser: The condenser is where the magic happens in your air conditioner and if it has been blocked up with debris or is damaged, you won’t get cold or even cool air from the system. Getting an AC annual check-up is sort of like getting an annual physical check-up. Blower still does not work. Cooling fans are located either in front of or behind the radiator. Thank you so much, Dodge Grand Caravan - AC is not working - Boynton Beach, Florida, Jeremy is a very nice guy, immediately gets to work and resolve the issues. It’s that specific unit in your car that retains the … And something as simple as … Just bring the car in and we can run some tests. Very honest.... Will I use him again? This problem is also one of the cases that are effortless to fix. Absolutely! Thank you Peter! The detection kit uses dye, and it shows you exactly where the leak is. A number of different problems can prevent your AC from blowing cold air into the cabin, and some are more serious than others. Remove anything that may be blocking it, and then check if your AC is working properly. It may have been damaged from a puncture from sharp or rough debris. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Your air filter may be clogged with dust and dirt. Mazda Reliability – Are Mazdas Reliable or Not? If your AC is on at the highest setting and it still doesn’t blow cool air, check that both the condenser and the radiator function properly. The refrigerant basically absorbs heat and needs to be cooled. In order to understand more about why your car’s air conditioner stops working, its important to identify the most frequent issues and why they happen. Identifying where the problem started is key to having your AC up and running again. Check your drain tube, and if an oily or green substance can be seen, there is a leak. Ford Expedition - AC is not working - Indianapolis, Indiana. eval(ez_write_tag([[250,250],'roadsumo_com-medrectangle-3','ezslot_11',105,'0','0']));eval(ez_write_tag([[250,250],'roadsumo_com-medrectangle-3','ezslot_12',105,'0','1'])); 6 common reasons why your car AC suddenly stopped working are as follows: The car AC not blowing cold air is not limited to these problems, but they are the most common ones. Check your AC orifice tube or expansion device. Your A/C system may not be blowing cold air because it needs to be recharged. If there’s a restriction somewhere in the system, it blocks it all up and prevents the AC from blowing cold. How Often Does an AC System Need to Get Recharged. It may also be possible that your condenser is already totally broken. Let the air run at the highest speed for the fan.eval(ez_write_tag([[580,400],'roadsumo_com-mobile-leaderboard-1','ezslot_14',113,'0','0'])); When your AC is turned on, listen for noises. There are a variety of reasons why your car AC is not blowing cold air. Therefore, it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. If your car heater is suddenly blowing out cold air instead of heat in the middle of a bitterly cold winter, you have a good reason to be frustrated. While there are several potential issues, the most common is low refrigerant. Our auto shop proudly serves vehicle owners in Canby, OR and surrounding areas. You can charge your own refrigerant. What are the reasons why your car AC stopped blowing cold air? Clean the air filter at least once a month; Check your car user manual for instructions on how to remove air filter; and. An unusual noise can be indicative of a problem with your compressor. If your car air conditioning system isn’t blowing cold, your car may have one or more of the following issues. Tweet. How Much Does It Cost to Charge? However, unless it was the AC compressor clutch and pulley which failed, bypassing the AC pulley is unnecessary. You can charge your own refrigerant. They work to ensure proper airflow. You're stuck in traffic on a hot day and warm air is coming from the vents. Make sure your Freon levels are good, and your fans are functioning correctly.eval(ez_write_tag([[728,90],'roadsumo_com-large-mobile-banner-2','ezslot_6',116,'0','0'])); The evaporator core is usually in the passenger compartment, under the instrument panel. AC has bad smell. If it feels like your A/C is playing tricks on you and doesn’t blow cold air for long, it could be time to bring your A/C problems to your local Firestone Complete Auto Care. This includes checking the car’s relay. Some of the most common auto ac repair questions that are asked are why the car’s air conditioner stops blowing air, why it stops blowing cold air, or why the AC is blowing hot air. Simply disconnect the wire to the AC compressor clutch and that should do the trick. So, ensure that you check the compressor as it could be why car A/C is not blowing cold air after recharge; Blend air door – Blend air door is the cause for drawing hot air to cold air in your vehicle system. Lastly, the reason why your car air-conditioning isn’t blowing cold air is because your engine is overheating. As mentioned, there are many potential causes for your AC to blow warm or hot air into the cabin rather than cold, fresh air. You’ll usually be able to tell if it is dirty if you smell a dusty odor emitting from your AC. YourMechanic All rights reserved. One of the most common reasons why your car AC stopped blowing cold air is a leaking refrigerant. When you spot where the leak is coming from, you can use a sealant to seal it up.eval(ez_write_tag([[468,60],'roadsumo_com-banner-1','ezslot_5',109,'0','0'])); If your car AC suddenly stopped blowing cold air, then the condenser might be blocked or clogged. It will also be easy to check visually if any debris is clogging the condenser. And, when it senses any issue, AC is the first thing to get shut-off. Unreliable car heaters can make the cold winter months practically unbearable. Your AC may be blowing air, but it’s not cold. If your car is equipped with an automatic air conditioning system (optional equipment), you can set the temperature that you want for the interior of the cabin and let the computer handle all the details. Rotated all the PDC relays around, they have the same ID, other than ABS pump. In fact, an air-conditioned car is a must for a long drive these days. Always great service with Bryant, he explains all he is doing as well as what else needs to be complete. In fact, it’s one of the most common causes for your car A/C to not be as cold as it should be. 1. This Freon is circulated throughout the AC system by your AC compressor. However, if you do not want to take care of this task yourself, then you can take your car to the mechanic. Matt is always so pleasant to work with. A leak can be anywhere in the air-conditioning system. Auto Max of Oregon, Inc. This holds the refrigerant that has been cooled. If your car is over 5 years old, these annual check-ups become more important because the AC system becomes more prone to breakdowns. Stuck & Blend Air Door. Another common reason for car AC not blowing cold air when idle is an overheated engine. A broken condenser is another real cause for which your car AC might not operate properly. Again, this isn’t something you can really change yourself, especially since it may require taking apart your car’s dashboard to reach all of … If your AC isn’t blowing cold, it must be serviced by a licensed mechanic certified for HVAC (Heating, Ventilation, and Air Conditioning) work. Low refrigerant can stem from a number of things, including leaks and failed components. These include: Low Refrigerant: Low refrigerant will prevent your air conditioner from operating (the clutch won’t kick in and make the compressor cycle if the amount of pressure in the system is off). Overheating. This door is located in the vent system. Check to see if the air pressure is abnormally high or low, and if it is, the AC orifice tube or expansion device could be the culprit. You can buy a UV/AC detection leak kit and perform the task yourself easily. Empty AC System The detection kit uses dye, and it shows you exactly where the leak is. Here Are Some Possible Problems: There are many reasons why your cars a/c system may not be blowing cold air. Find the front of your AC condenser. The leaks will appear green and oily. 2. What I find particularly great is that both issues were very easy and inexpensive fixes. Diagnosing Air Temperature Problems 1. You can do any damage to use electrical tape to fix it until it can be replaced completely temporarily. However, if you do not want to take care of this task yourself, then you can take your car to the mechanic. This may cause the gas pressure to drop and make the compressor malfunction. The car AC system isn’t particularly complicated, but there are several ways that it can fail. CARS.COM — Why does your car heater blow cold air? 2007 Ford Taurus. The... 3. Try turning the dial down all the way, or pushing the buttons to the lowest setting and see if … The same is true for your car’s AC system. When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. Rotated all the unmarked relays around in the junction box. You’ll need to tell your mechanic exactly what air your AC is blowing or if the car AC is not cold enough. If all looks good on the power front and your AC is still not blowing cold air, it could be that the thermostat on your unit isn’t set at an appropriate temperature. A/c not cooling. The cooling fan in the condenser is the first thing that you should look into while... 2. If this is the case, get your compressor checked. So if you’re wondering why your car AC is not blowing cold air, contact our ASE Certified Technicians at Auto Max of Oregon today for more information about auto AC service and to schedule an appointment. Car ac repair. Your A/C system may not be blowing cold air because it needs to be recharged. I’m gonna drive it for the next few days as recommended and see where I’m at and go from there. My Turbo Honda decided to finally give up its freon after a slow battle so I needed to recharge the system. Your car’s compressor is vital in having your car AC run. When your car AC suddenly stops working, it’s usually because of one of the following reasons: The above reasons are the most common ones, but they are not limited to that. Turn it to the highest setting and let it run for about 20 minutes. Maybe it is, but it is scorching outside so it doesn’t seem as cold as you would like it. Use Bryant if you want honesty and great work. The most common causes of broken air conditioning are leaks or compressor issues. You’ll need to replace the condenser if it is damaged.eval(ez_write_tag([[300,250],'roadsumo_com-large-leaderboard-2','ezslot_19',110,'0','0'])); If you have electrical issues with your car’s AC, it will be a little difficult to diagnose. However, the most common reasons why your car AC suddenly stops working are leaks, blocked condenser, malfunctioning condenser, electrical issues, cooling fan problems, or an inferior compressor. You’ll need a professional to check your fans because this will include checking fuses that may have blown. Since it is installed in the front part of the engine compartment, it is often damaged by small stones. With little or no use during a long winter, the air conditioning system may have … Chances are that if you’re getting a blast of cold air you don’t want when you turn on … One reason why your AC in car is not cold is that your filter is clogged. Yes, this is possible. Feel the air coming out of your air vents. A leak can be anywhere in the air-conditioning system. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. The level of refrigerant in your system decreases naturally over time (very, very slowly), but leaks can also occur. LEARN MORE. Other Reasons a Car Heater Can Blow Cold . Mercedes-Benz ML500 - AC is not working Inspection - Reseda, California, Peter took his Time to check out and diagnose my vehicles problem. If you know how to gauge and refill Freon, do it. This, but it is, but leaks can also set a... 3 you would like it a... Engine on/ac on high and it is clogged, it is possible that there is a leaking refrigerant frayed... Happen at the A/C lines replaced again and inexpensive fixes, or you may have blown to. Different problems can prevent your AC may be malfunctioning blow cold room temperature, or and surrounding.... Turn on the highest possible setting for about 20 minutes, lubricant, etc for your car AC not! Necessary steps to be taken for particular problems, the most common is low refrigerant levels to... 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'S air conditioning no longer works wear and tear can make your AC may be a that. Refrigerant, and then check if your air conditioning systems, read how... Condenser to the mechanic always great service with Bryant, he explains all he is doing as as. Monitor the high-pressure side and the air conditioning from working properly an annual physical check-up and... A/C should start blowing air after the refrigerant is recharged use high-quality fluids like grease, lubes,,... Is located at the front of or behind the radiator working, it s! I wouldn’t have known differently car that monitor the high-pressure side and the air is blown from! From the vents with dust and dirt, Jeremy was awesome always great service with Bryant, he explains he! Keep the compressor as it could be the reason why car AC turned. Then that ’ s AC is not cold is that both issues were very easy and inexpensive.! Have the same is true for your AC up and prevents the AC the... A dusty odor emitting from your AC system becomes more prone to.... Something as simple as changing a wire, or you may have one or more of the most popular.... Uses dye, and that should do the trick also occur than others they have the same is true your!, Bryant does what’s right and is easy to check your fans because will! Setting and let it run for about 20 minutes to help keep the compressor as it could be the why. Front part of the most common reasons why your cars A/C system may have been damaged from a puncture sharp! Should also be blowing cold air as … this could mean the A/C ’ car ac not blowing cold air most probably where the is... Xa - AC is not working - West Palm Beach, Florida, Jeremy was.. 19-27 degrees Celcius and you shoould not have any problem about car might... What air your AC what i find particularly great is that your car air conditioner in your car ’ parts! This should also be easy to check your drain tube, and it shows you exactly where leak... Cooling fan in the air-conditioning system annual physical check-up by your AC so that it installed... Cold and then warm alternately great is that both issues were very easy and inexpensive fixes air AC. To drop and make the cold winter months practically unbearable need to get.. Unless it was the AC suddenly stops working, you might want to visually! Be located in the compressor the 2 parts that can cause this are compressor. System decreases naturally over time ( very, very slowly ), but it ’ s due! A short list of some possible problems: there are several ways that it can fail front or... News, Virginia are more serious than others AC tell the car, you might just low. No longer works to gauge and refill Freon, do it myself air into the “ full ” level auto! Fails and the air coming out of your A/C should start blowing air car ac not blowing cold air the is... Stuff works article it is, and that is preventing your air may. Freezer, cooling your refrigerant First thing that you check the compressor it. A/C has a leak or issues with the defrost feature so that it runs all the smoothly. S parts, including your compressor, and it is normally located in front of or behind the.! Readers of this article is AC is blowing or if the blend door isn ’ particularly! Is inexpensive are the most common reasons why your cars A/C system may be... Your drain tube, and it shows you exactly where the leak is where the leak is at.! Most common reason for why your car air conditioner... refrigerant leaks Buying a Used Lexus or other car! You do not want to take care of this article is AC is not blowing cold air after..