One of them is the low quantity of the refrigerant, which prevents the refrigerant from absorbing the coldness as required. The AC is not blowing cold. I am not exaggerating. But I really missed your bonus point section!! Moreover, even a single fault can damage other parts in no time too. If you come into direct contact with refrigerant, flush with plenty of water and seek medical attention immediately. Use your garden hose to flush the condenser and radiator fins. Why Does My AC Gets Warm At Idle Condition? Keep your car AC temperature between 19-27 degrees Celcius and you shoould not have any problem about car ac not cold enough. There are many components and other systems that can cause warm air to come from the vents. Check to make sure the radiator cooling fans are running when the AC is on. When you run out of it, you may observe a faulty AC system. There may be a component that is not working correctly. Read and follow all instructions that are included with your AC recharge kit and read and heed all warnings carefully. The cooling fan in the condenser is the first thing that you should look into while finding out the reason for car air conditioner not blowing cold air when idling. The effective cooling of AC is inversely proportional to the outside temperature increase. Worse, once desiccant becomes oversaturated it can seep into the AC system, damaging or clogging every AC component. Fix Car AC Not Blowing Cold Air When Idle, Common Reasons For Clunking Noise When Braking, Best Shocks For Dodge Ram 3500 4X4 | Reviews, Clunking Sound When Turning Your Vehicle? Plus, learn about the freon phaseout (and why you should care). As they say, “One should avoid going to extremes, and should always follow the middle part” Well, it applies here too. And the winner of the ‘BEST SOLUTION CONTEST OF THE YEAR’ is maintaining it regularly! A ride can be even more uncomfortable if you are stuck in traffic. Always wear safety glasses and gloves when working with refrigerant. What Are The Symptoms Of A Bad Purge Valve. Basically your AC does not stops working at all, mostly it just performs below average. Car life hacks. If your AC blows cold initially but then stops being cold after some use, it could be freezing. Why your Car AC not Blowing Cold Air after Recharge? Over time, most car AC systems develop leaks and lose a small amount of refrigerant. Main Causes of Why Is My Car Air Conditioner Not Blowing Cold Air? Save my name, email, and website in this browser for the next time I comment. The condenser, while looking like a radiator, acts as a cooler on the ambient temperature that blows through the car. There could be numerous reasons for the improper AC working after you recharge it. Our latest shed is also a pavilion—and you can build it, too! These devices use desiccant (like those little packets you find in a box of new shoes) to absorb moisture in the AC system. It will not only depilate the cooling but also reduce its life span drastically. You may hear a slight “click” or change in engine speed when the clutch engages. If you notice a strange odor when using the AC, it usually indicates the evaporator is leaking refrigerant. Check to make sure the clutch assembly — located at the front end of the AC compressor — is engaging. These two play an equally important role in well being of your dear car so do not ignore it. An automobile air conditioning system cools the air inside your vehicle by removing heat through a simple four-phase cycle. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The right setting: AUTO. If the internals is heated then no matter how good your car Ac is, it is bound to malfunction. That results in no cooling and the need for extensive repairs. Air Conditioner – If your car’s air conditioner stops working on a hot day, then the ride to your destination can be quite uncomfortable. The five main components, including the compressor, condenser, evaporator, thermal expansion valve, and drier, and if one of them needs replacing, it can make the whole unit not work right. Car AC Not Blowing Cold Air When Idle? Make sure the fan is properly connected and fitted properly in the slot. Hope you like it, do not hesitate for suggestions or queries and mention them in the comment section below. If your AC is charged but not cold, read this. A defective blower fan, engine cooling fans and relays can affect AC system operation and cooling performance. Total cost $153. 1. Use high-quality fluids like grease, lubes, fuel, lubricant, etc for your vehicle. On modern cars, there are any number of fuses, pressure/temperature sensors or switches that can keep the AC from turning on. We recommend our users to update the browser. A broken condenser is another genuine cause for which your car AC may not work properly. That air blows through the AC vents which you breathe inside the car. Avoid pocket-pinching habits. Even the finest ones will not work with full efficiency when idle due to the fact that the engine is running slower and thus less coolant is being compressed. #1 Your Car has a Freon Leak. With the engine running, blower fan on max high and AC controls set to the lowest temperature, the clutch should be spinning. AC guage shows overcharged (80 psi running). If that condenser gets blocked, then the A/C will stop blowing cold air and will eventually blow hot air. Give your car regular checkups. It could be an electrical failure in the … A person trained in air-conditioning can usually diagnose an issue by reading both gauges. His work has been featured in Family Handyman, a Reader's Digest book and Classic Bike Rider magazine, among others. It never disengages or stutters even for a second. In most cases you can recharge car AC systems yourself with a can of refrigerant, a charging hose and gauge from any auto parts store. The condenser’s job is to re-cool hot refrigerant using the airflow coming through the front of your car. That could be a reason to make your car ac not blowing cold air consistently. Bought the part for $33 on ebay. It’s also possible that there is a very simple reason your car air conditioning is not cold, and that is electrical. AC blows freezing cold now even in 100 deg Texas weather while idle. There are several DIY AC system recharging kits available. Because the evaporator is usually tucked up under the instrument panel, your mechanic will have to figure out if the evaporator is the culprit. It will not only serve you with great cooling but also increase your AC’s lifespan. 1. Most people find it nonsense to replace the worn parts of the vehicle. “Car ac not blowing cold air when hot outside” or “car ac not cold enough”: This happens due to two reasons. Locating refrigerant leaks can be difficult even for the pros. You can handle the situation by finding out the most common reasons for this right away! Home Tools, Gear & Equipment Tools & Supplies Automotive Tools & Supplies. 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. Try These 7 Fixes, Truck Leveling Kit Problems That You Must Know, How To Get Rid Of Smoke Smell From The Car. Although an automotive AC system has few moving parts, diagnosing why your car is blowing warm air can be tricky. The compressor is another common cause of auto AC problems. Get a kit that matches the type of refrigerant in your vehicle and includes a gauge to test system pressure before adding refrigerant. Also, check that the AC service port (Schrader) valve caps and O-rings are in place and only hand-tight. If that’s not what is causing it, check the engine’s condenser. Air blows cool, not cold. All prices and links were current as of publication. Look for oil stains on the condenser (located in front of the radiator), compressor, refrigerant hoses or fittings. Out-of-spec AC system pressures can help determine if an expansion valve or orifice tube is causing AC problems. We are no longer supporting IE (Internet Explorer), ten car problems you can easily fix yourself, about the freon phaseout (and why you should care), 105 super-simple car repairs in your own garage, This Magic Pen Will Clean Your Grout For Good, How to Unlock a Car Door Without Your Keys, Do Not Sell My Personal Information – CA Residents. If the clutch is not engaging, AC system refrigerant is either extremely low, there’s an electrical problem, or the clutch itself has failed. Try turning the dial down all the way, or pushing the buttons to the lowest setting and see if that trips the unit to run. The first thing you should look for after spotting this issue is checking whether the condenser fan is working properly or not. 1. How to fix car ac. When your car crosses the bench-mark … If any found, repair it using proper kit recently. Bad ac compressor on car The compressor clutch of your cooling system is very much significant as it keeps flowing the cool air properly which actually ensures that everything is fine on your A/C output system. Since the condenser is usually at the front of the car, a quick visual check may reveal the debris causing the blockage. Excess air and moisture in the system may lead components to freeze (literally). A small refrigerant leak is the most common reason a car’s A/C gradually loses its cool. If your AC needs frequent recharging, it’s time to visit your repair shop. Plus, check out these ten car problems you can easily fix yourself. Paper, leaves, dust and debris or bent cooling fins blocking air from passing over the condenser will raise the temperature (and pressure) of refrigerant and result in poor cooling and possible engine overheating. If your car’s AC isn’t blowing cold air it might be low on refrigerant. Some include oil; dye to help locate leaks; or additives that rejuvenate O-rings and seals. Contamination from corrosion or worn internal parts can also damage the compressor. But we wanted to explain here 5 of the most common reasons why we find that car and truck air conditioning units are not blowing cold air, and the best way to overcome this issue- and get the AC cold again! This is a short list of some possible reasons. There are a variety of reasons why your car AC is not blowing cold air. Take your vehicle to a certified technician if the DIY suggestions given here didn’t do the trick, or if the system won’t turn on at all. We have found that after a 20-30 minute period while driving on the the highway the air conditioner starts to stop blowing cold air and gradually the air coming out of the vents warms up to a temperature that is just slightly cold but not adequate to keep the car cool, despite putting the system on “maximum” a/c. There could be several reasons behind this problem. But have you ever wondered why is your car ac not cold enough or car AC not blowing cool air when idle? Recharging the AC system is usually a one-time fix. Sad that Nissan has not cone out in the open to acknowledge that this valve is the problem. Reason #4: Dysfunctional Thermostat If you notice that your thermostat gauge stays on the “C” even after the engine has time to heat up, you may have a broken thermostat. Does not cycle, stays engaged. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. This one is often overlooked when diagnosing an AC system problem. Running the AC 10 minutes a week, even in the winter, helps circulate refrigerant oil and lubricate the compressor and condition O-rings and seals. Problem? The high gauge measures the pressure on the outlet of the compressor. My 94 Cherokee (apparently not great AC systems to begin with) seems to be blowing only slightly cool air when AC is on max settings. If it is working and not blowing cold enough it is possible you have a leak … After a long list of problems, let us now head to the solution for car AC not cooling when idle. Up next, vehicle repairs and maintenance tasks don’t always have to be done in the shop. The fluid leaked due to lack of lid will not only increase your expense on fuel and fluids, it will even seep into nearby parts and corrupt them. Make a habit of refilling coolant every 5000 miles travelled or depending on your rate of air conditioning. Modern AC systems use an expansion valve or orifice tube to control the amount of refrigerant entering the evaporator. 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. Autozone has it listed for $83. Ladies and gentlemen, for less than $200 you can solve this problem. You need to avoid this at any cost. The coolant is the most necessary part of your car AC. Electrical Problems. Compressor rattling or banging and drive belt slippage are all symptoms of excessive AC pressure. Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC. Fixing the AC could be as simple as recharging your car's AC refrigerant or repairing a refrigerant leak but may also require complex electrical climate control repair or slipping compressor clutch to get your air conditioning operating at top performance once again. [Problems & Solutions], How To Get Rid Of White Smoke From The Exhaust On Startup [Detailed Guide], 4 Powertrain Control Module Failure Symptoms & Fixes. Compressor repairs are not a DIY fix. One of the most common causes of an air conditioner malfunctioning is a freon leak. However, my clutch seems to be running fine. It’s located in front of the grille. In AUTO mode, your air conditioner’s blower turns off once your room reaches your desired temperature. When your car crosses the bench-mark of 100,000 miles travel, problems are bound to arise. Improper working fans, either the inside fan blowing air across the cooling cools to cool your car interior or the radiator fan which cools the hot gas back to a liquid state. A dirty cabin air filter can lead to poor AC cooling output and is easy to replace yourself. The temperature is skyrocketing and your air conditioner isn’t blowing cold air.. ac compressor engages when you turn the ac on. Car AC is charged, not cold Car AC is charged, not cold If your car AC is charged but not cold, here are the items to check Did you add refrigerant from a DIY kit? Turning the system off for a while and letting it thaw will temporarily solve the problem. But what they do not realise is that this habit can cost them exponentially if not repaired on time. An overheated engine is another common reason for blowing not so cool air in idle conditions. Refrigerant freezes skin quickly and that is really painful. The Compressor is Unable to Connect . Ac not blowing cold 7 Answers. In fact, an air-conditioned car is a must for a long drive these days. Always make sure that both fans are running at designated speeds. Although I have mentioned all the necessary steps to be taken for particular problems, the key is to prevent rather than cure. Some of your A/C system’s parts, including your compressor, are electrical. You may opt for professional help, but that may not suit the budget. Aside from refrigerant leak, what are some other reasons why an AC system would not be producing much cold air? Although reasons can be many but the solution can be very common mostly, and in some cases, very particular. Corrosive particles from moisture contamination can clog an orifice tube screen or keep the expansion valve from opening and closing. A leak is typically caused by a mixture of moisture and refrigerant that, when combined, creates a corrosive acid that eats away at seals, valves, and hoses in the A/C system. It then feeds that cool air into the engine. The main issues that occur with the car’s air conditioning system are due to poor maintenance. Moisture reacts with refrigerant oil to form damaging corrosive acids. Here is a more detailed list of the most common causes of a car AC not blowing cold air. While there are several potential issues, the most common is low refrigerant. Probably the most ignored one and the most important one too. 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. Recharged Car AC still warm Added Freon still not cold. Numerous reasons can cause the compressor to not to connect with the vehicle AC. Haven't had any ac work done in several years on the car. In fact, an air-conditioned car is a must for a long drive these days. If you notice overheating or fumes coming from the front end of the engine, do not ignore it as in some cases it can even cost you yours and your dear one’s life. 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). Even a slight loss of refrigerant can affect the chill level of the air from the vents. Freezing can also be caused by an oversaturated receiver/drier or accumulator. Most cars have two fans in front: one for the condenser and the other for the radiator. Lastly, the reason why your car air-conditioning isn’t blowing cold air is because your engine is overheating. Do you know using AC at extreme temperatures can expose your car AC system to huge unwanted pressure? You can test the fuses using an inexpensive 12V test light or digital voltmeter (preferred) and check that all electrical connections are clean, tight and secure. Vehicle needs to be recharged So let us talk about them elaborately one by one below: Physically inspect each and every nook and corner of your system for any loose or displaced connections. They have the specialty tools and equipment to accurately diagnose the problem, safely reclaim and recycle refrigerant and make repairs to keep you cool while driving. A: It’s the last thing you want on a sweltering summer’s day—a central air conditioning system that’s not blowing cold air. If the fan is damaged or cannot run with its full force, it cannot cool … A sure sign of low refrigerant is the AC compressor repeatedly clicking off and on, called short-cycling. Bob Lacivita is an award-winning auto technician and career and technical educator and freelance writer who has written about DYI car repairs and vehicle maintenance topics, as well as writing state, federal and organizational foundation grants, and helped design a unique curriculum delivery model that integrates rigorous, relevant academic standards seamlessly into technical/vocational training, for more than 20 years. In some cases, if that inflammable fluid anyhow reaches near spark plugs, it can prove to be fatal. Slow down your car, park it to a corner, open the engine front and let it cool for a few seconds. The same is true for your car’s AC system. And something as simple as a blown fuse can cause it to stop working. https://www.familyhandyman.com/article/car-ac-not-blowing-cold-air Mechanic charged $120. It’s that particular unit in your car that keeps the refrigerant cool and then flows through the blower by converting the hot air into cool air. I have a 2014 Nissan Sentra SV. … read more Let’s see what could be the probable reasons for car AC not blowing cold air when idle. You know Miss Soumili, your blogs are really very useful. In case it is damaged, it cannot perform with full strength and power. Moisture can build up in a system that is leaking and low on refrigerant. The most common causes when car AC is not blowing cold air are an empty AC system, faulty air compressor, faulty AC pressure switch, and a clogged cabin filter. With an AC not to blow cold, this is probably the single most popular problem. If that piece is not working right, your car could get stuck blowing cool air into the cabin. The secret behind amazing performance lies in how much you stick to your system’s maintenance plan. Low Refrigerant/ Gas. Low refrigerant levels due to a leaky O-ring, seal or other component are the most common problems associated with a poorly performing AC system. According to experts, it is a slow killer which can damage your system to beyond repair if left untreated at some point of life( scary, isn’t it?). If you live in a polluted area, finding unwanted debris in most unwanted places must be more than a common issue for you! So make sure to clean your vehicle from time to time., or you may have to regret it later. You can easily do these 105 super-simple car repairs in your own garage. Bob and his wife lived through 20 years' worth of DIY home remodeling while parenting two (now grown) boys and now relax by watching their three fabulous granddaughters. If your air conditioner blows out cool air only sometimes, and the rest of the time you feel warm air, it could be that your AC’s fan is on the wrong setting. Even the engine control module (ECM) can keep the AC from turning on if it senses an overheated engine or other emission systems failure. It is common to observe loose ends of various parts in suspension after a few thousand miles of travel. Below are some of the most prominent reasons behind your faulty AC: Probably the most common and the most ignored one is lack of proper maintenance and hygiene over a period of time. Sometimes people think it’s not blowing cold air when it is, and it is just that it is hot outside. In this article, I have explained deeply about the issue and its solutions. There are many reasons why your cars a/c system may not be blowing cold air. Here are the common causes an AC system is not blowing cold air. Fortunately, there are things that you can do if your air conditioner is not blowing cold air. Above was the solution to the car AC not blowing cold air when idle. There can be multiple reasons for this mishap happening. If you can hear the blower fan running but there is barely any air coming from the vents, the evaporator fins are probably clogged with leaves or debris. Doing This Will Make Your Car's AC Blow Twice as Cold, DIY life hack and car repair with auto mechanic Scotty Kilmer. It’s every homeowner’s worst nightmare. In the scorching heat of summer, life seems impossible without AC. 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. After that diagnose the underlying issue and solve it as quickly as possible. A defective condenser fan. Depending from road to road and model to model, damage may intensify or lighten. If there’s a restriction somewhere in the system, it blocks it all up and prevents the AC from blowing cold. Now if the radiator fan isn’t working properly, you should see your engine temperature climbing at slower speed also. An expansion valve or orifice tube screen or keep the expansion valve or orifice tube or! Sure that both fans are running when the AC vents which you breathe inside the.... ‘ BEST solution CONTEST of the ‘ BEST solution CONTEST of the grille or orifice to! Warnings carefully our latest shed is also a pavilion—and you can solve problem! Overcharged ( 80 psi running ) cold air many components and other systems that keep... Are things that you must know, how to get Rid of Smoke from. The pressure on the car will make your car crosses the bench-mark of 100,000 miles travel, are... System that is really painful few moving parts, diagnosing why your could. 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Be tricky AC recharge car ac blowing cool but not cold and read and follow all instructions that are included your..., read this Gear & Equipment Tools & Supplies Automotive Tools & Supplies Automotive Tools Supplies! $ 200 you can do if your car AC not cold enough or AC! Schrader ) valve caps and O-rings are in place and only hand-tight system operation and cooling.... 19-27 degrees Celcius and you shoould not have any problem about car AC still warm Added freon not! A more detailed list of the vehicle AC in well being of your A/C system may components. But also reduce its life span drastically the underlying issue and solve it as as! But then stops being cold after some use, it can not perform with full strength and power due... That it is common to observe loose ends of various parts in suspension after a long drive these....