how to fix car ac not blowing cold air

In the distant past, the car AC systems were standard equipment only in expensive luxury models. Depending on what kind of car you have, the blower motor can be relatively difficult to get to, but they are usually located behind the dashboard on the passenger side. It is possible that your cooling coils are freezing up which will reduce the air flow through your vents. Low refrigerant levels due to a leaky O-ring, seal or other component are the most common problems associated with a poorly performing AC … Cabin air filters serve as a filter to the outside air coming into your car to make sure it is clean and not filled with contaminants. If your car AC blows cold air when driving at highway speeds but turns warm at stop lights or when driving at slow speeds, you may have a bad radiator fan or radiator fan relay. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. If it isn’t flush the system and see if that fixes the problem. Changing them can be as easy as removing two screws and one electrical connection and installing a new set of resistors or a new module which are available at your local parts store. How to fix car ac not blowing cold air: When you activate the air conditioning in your car, you expect to receive a flow of fresh, cold air. It sounds most like you’re having some sort of electrical problem with your ventilation controls more than with your AC system or heat. And, when it senses any issue, AC is the first thing to get shut-off. My car AC is not blowing cold air, what could be wrong? This is the most common reason for why your car’s AC is not blowing cold air. The most common cause of frozen cooling coils in your car is a dirty cabin air filter. Tracking down electrical issues like loose wires can be very tedious. How to fix car ac not blowing cold air: When you activate the air conditioning in your car, you expect to receive a flow of fresh, cold air. it is good practice which is beneficial for us. I have a 2010 mercury Milan. Intermittent problems like you are describing are most often caused by a faulty sensor in the system. How much does an AC system repair cost? Why is My Car Air Conditioning Not Blowing? First, there should be a small drain hose in the bottom of your air box. A car’s air conditioning repair really encompasses a lot of different operations. I checked the refrigerant pressure with the engine on/ac on high and it falls into the “full” level. The last day or two neither has helped the air blow. The a/c stopped blowing cold air about a year ago. Red Angel will seal leaks in A/C systems that can hold 5 inches of vacuum for 25 minutes or 15 inches of vacuum for 5 minutes. A new door actuator costs less than $100. Thanks for your question about the AC in your SL2. Hi we have a dodge neon 2000 & when we start the car and leave it runnin, turn on the heat, hot air blows out but its not enough heat to warm the entire car before it begins blowing cold air again... We've replaced the thermostat, addded coolant, checked the radiator and controls, but we can't seem to find the problem nor fix the "no heat" problem Sometimes, the vehicles air conditioning needs to be recharged if the air isn’t blowing enough cold air. Leaking or Low Refrigerant. Many cars are equipped with two radiator fans, while others have one fan that can run at different speeds. From your description it sounds you’re having trouble with the blower in your car. What could this be? However, that’s not always what happens. Thanks for your question about your Dodge Ram. I thought about charging the system but would like some advice first. All Brands Auto repair shop in Mesa combines high quality work with superior car knowledge. Have a ’03 cavalier. A new door actuator costs less than $100. However, this repair can be as simple as changing a wire, or you may need your blower or condenser fixed. If your car is still under warranty then we definitely recommend taking it to the dealership for repair. The heating system in your car is supposed to keep the atmosphere warm. Sometimes it works and sometimes it doesn’t the last couple of days it has been working fine except it will randomly as I’m driving switch between the vents to the defrost vents on top of the dash and back to the regular vents on its own. Most likely one of the 2 will be the culprit and the problem can be fixed by addressing them. The 2 parts that can cause this are the Compressor and or the Condenser. First, let’s get your air blowing again in you equinox. Welcome to the BlueDevil Products Auto Blog! -BD Auto Pro. If it sits for awhile there’s water underneath it like it froze up and thawed. I checked the refrigerant pressure with the engine on/ac on high and it falls into the “full” level. A clogged filter will restrict air flow into your home. Front and back, all vents. Most window air conditioners use a capacitor to help start the compressor. So your car's AC was doing fine for the longest time. The fact that it doesn’t blow at all is an indication that something is wrong with your blower motor. If you’re confident and have the time to do that work, changing the burnt out servo motor or realigning the duct door is a relatively easy job. the ac is still cold. Is this going to cost me an arm and a leg to fix Be sure to leave a comment or question on anything that may interest you. Fortunately, the technicians at All Brands Auto Repair have many years of experience and can help repair any A/C fan issues at an affordable price. Repair Shop Location If your car AC is blowing hot air, it is very likely that the refrigerant in the unit is low. 2007 Ford Taurus. There’s no fan blowing at all and the fan doesn’t even turn on for the vent to defrost, what could this be and is it expensive to fix? For more information on how to track down the electrical problem, check out our article about that here: https://gobdp.com/blog/diagnosing-electrical-problems/. So, make sure that you check the compressor as it could be the reason why car AC not blowing cold air after recharge. As well as a general AC performance check. Our experienced professionals can check your car for a freon leak. Replacing that actuator is difficult as it requires the removal of a lot of the interior of your car so it may be best left to a mechanic. Thanks for your questions. After a few months it only blew hot air. For your Grand Prix it is possible that your hear core is clogged so check your coolant color and make sure it’s bright green and clear. No matter what time of year it is, you expect the air conditioning system in your car to be working properly. Let’s see what could be the probable reasons for car AC not blowing cold air when idle. Thanks for your question about your air conditioner! What could it be? As these doors move they direct cabin or outdoor air over the heater core or straight through the ducts. Would appreciate any knowledgable input. To get you started, check out our article about that here: https://gobdp.com/blog/diagnosing-electrical-problems/. 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. Due to where the lines are located, inspecting each of them can be quite the project, and the vacuum hose is relatively cheap so we would recommend simply replacing the old vacuum lines while you’re inspecting them to make sure you don’t have any leaks. Because it’s intermittent it is difficult to get diagnosed. Choose All Brands Auto for: Honesty, Affordability and Quality! If you can get to the bottom of the dashboard there should be a plastic panel on the passenger side you can remove to expose the blower motor. Now it has stopped blowing all together both hot and cold air, what can I do? We recommend recharging the system to the “full” level and then test it. variety of various problems can prevent your AC from blowing cold air into the … You Feel the Cool Air, but There is None Blowing. The fact that things changed when you slammed the door makes us think it is probably a wiring problem. it would only work some of the time. Thanks for any input. The main issues that occur with the car’s air conditioning system are due to poor maintenance. There is an electric fan controlled by your fan switch that blows air through your ventilation system in your car. However, the condenser is unable to cool the coolant if it is blocked or isn’t working correctly. It controls the speed of your fan and if it brakes it will only work on high. If you don’t see anything wrong there, you can try starting at your AC compressor and finding the wires going to it and trace them back to the wiring harness again looking for burnt spots or anywhere they may have shorted out. Your problem might be caused by a leak in one of the vacuum hoses attached to the actuators or a broken check valve somewhere in the system. A car heater blowing cold air could be a symptom of the failure of the heating unit.. Thanks for your question about your AC. Need advice on a dealing with a blown head gasket? It is also possible that the fan switch, fan motor, fan resistor or the wiring is causing the problem. When things get hot, like when your car has sat in the sun all day, often electrical issues can show up due to higher resistances and expansion of components. It is possible that while washing your car you got some water down into your ventilation system and that has caused a short in the blower motor. Freon Leak. My AC was working fine til today I just started my car an the AC just shut off. The noise you heard was probably the fan blades hitting the side of your ventilation ducts and it suddenly stopped when either the motor failed or the fan finally got stuck. I also noticed the heat wont even turn on back there now too. It will work when you get up to speed and blow out cold air or heat but if you are just idling nothing at all blows out. There is no battery to operate the blower. Fortunately, if the system is low on refrigerant, you can recharge it to regain access to ice cold air within just a few minutes. Usually when you get different temperature air from different sides or areas of your car the problem is with your dual climate control system. Cracked block or leaking radiator? Potential causes of hot air. I thought there might be a leak so I bought some freon with stop leak ib it. Your AC only working while you are driving might have to do with a low refrigerant level, or it may be an indication that your electric fans are not turning on. I’ve been told it’s a rather time consuming job to tear apart the dash and replace the heater core so I’d like to be more certain that’s the issue before I delve into it. I have a 2008 Altima, 140,000 miles. Since the condenser is usually at the front of the car, a quick visual check may reveal the … Thanks. Other Reasons a Car Heater Can Blow Cold Most of the reasons that a car heater will blow cold have to do with the heater core, but you can also have a mechanical, electrical or vacuum problem. Wiring problems can be a lot of work to chase down, but if you have patience and the right electronic meter you can do it. Replacing your blower motor will get your air blowing again and shouldn’t be too difficult of a job depending on what kind of car you have. If your fan stops blowing on one speed but works on another, then you have a bad blower motor resistor. While there are multiple causes of AC that is blowing warm air, the fixes can follow a logical order: firstly check if you have a good system pressure – if the pressure is too low you need to add refrigerator in the system; secondly you can do a visual inspection of all the … Now it will randomly blow out heat when the air conditioner is selected and your driving. It just stopped blowing completely. It could be an unexpectedly warm fall day or an overly wet and humid day where you just want to dry out your car or defog your windshield. Nobody enjoys driving a vehicle that needs repairs, especially if it’s something as vital as your AC system. The Cost of AC Repairs. Then another day, It blew but after slamming the door hard after getting in the truck. Stay in touch with new products, promotions, free stuff and more! The fact that it is intermittent and no air blows at all when it breaks makes us think it is an electrical issue. Computerized Wheel Alignment/Balancing Services Mesa AZ, Alternator Repair Service Phoenix Metropolitan, Buying a Previously Flooded or Salvaged Car from the Experts. However, if this air filter isn’t changed, it can become clogged which can prevent full force air circulation through your car’s ventilation system. Now it blows semi-cold, but not cool. Actually blows on driver and passenger side vents only. Damaged receiver/dryer: If, in addition to your air conditioner not blowing cold air, moisture is accumulating on your windows that isn’t resolved by defrosting, the receiver is likely in need of replacement. variety of various problems can prevent your AC from blowing cold air into the cabin, and a few are more serious than others. Some window air conditioners utilize a run capacitor in the fan motor circuit as well and will often combine both devices in the same package or can. Blend air door is the reason for drawing hot air to cold air in your car system. So, I assumed I needed a new resistor. The problem you’re having sounds like an electrical issue with your ventilation blower motor. I would like the different setting to work in my van. The air is blowing from the vents and it is cool air, not hot air, but its not blowing enough cold air to lower the temperature inside the car. Red Angel A/C Stop Leak and Conditioner can accomplish the most difficult part, sealing the leak, all in an easy to use aerosol can. I’ve asked multiple mechanics and no one has an idea and haven’t had the time or money to take it somewhere yet. the air conditioner is working intermittently. https://www.wikihow.com/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car If that doesn’t work then your problem is most likely with your air blend door actuator. In a properly working air conditioner, a fan will draw air over the evaporator coils, where it is cooled, and then be re-circulated back into the room. Thanks again for your question! Leaking or low refrigerant is the most common reason you might have an issue with a car A/C not blowing cold air. It sounds like your blower motor or fan is damaged. This door is located in the ventilation system. Thank you for your question about your 2008 Altima. All you need is a shop manual, a 1/4-in.-drive socket set and screwdrivers. You can try calling a local Chevy dealership to see if this is a common problem for your truck or you could try finding another ventilation control module from a junk yard or Ebay and see if it fixes some of your problems. I am kind of stumped on what the problem might be. Today my a/c has stopped blowing completely. There could be several reasons behind this problem. Find your fuse panel and check the fuse for the “blower motor” or “vent fan” or something like that. The a/c seems to blow just fine in the mornings, but when she gets in her car to head home from work in the afternoons, it doesn’t work. The temperature differential at the leak will activate the leak sealer in Red Angel, sealing the leak permanently. As mentioned, there are many potential causes for your AC to blow warm or hot air into the cabin rather than cold, fresh air. There are a series of doors and flaps inside the vents in your Jeep that control which vent the air blows out of and whether it goes over the cooling coils, the heater core, or both. Based on your description, it sounds like you may have a vacuum related issue. These include: Low Refrigerant: Low refrigerant will prevent your air conditioner from operating (the clutch … 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. It blows a little bit and it’s still cold but will not blow like it should. Blower still does not work. You can usually diagnose and fix the problem yourself in about an hour. This problem has to do with your air conditioning system itself. Car issues can make people scratch their heads. Lastly, have your AC system checked for a proper refrigerant charge to make sure everything is working properly there as well. I don’t suppose blue devil can seal something as large as a big leak in an evap core if that’s def where it’s leaking? The most common cause of a vehicle's air conditioner not getting cold enough is that it needs to be recharged. How To Fix a Leak in Your Car’s AC System To fix your air conditioning system, you must first seal the leak and then replace the lost refrigerant. The air is blowing from the vents and it is cool air, not hot air, but its not blowing enough cold air to lower the temperature inside the car. Thanks for your question about your Toyota Camry. You can also here The pump kicking on in the engine compartment. Occasionally there could be problems with the compressor, but usually, the problem is a slow leak that has caused enough refrigerant to leak out causing your air conditioner to malfunction. PARTS IN AC NOT WORKING – When the AC blows warm air, a part within the AC may be at fault. You may be low on refrigerant. Road debris can easily block the condenser, which will cause the A/C unit to expel hot air and make it very uncomfortable inside the vehicle. A lack of heat can be a symptom of a much larger problem. then it just stopped working. About a month ago, my ac started blowing warm air. Any suggestions on why and/or what I could do to remedy it myself, other than take it in to an expensive mechanic? Cleaning the coil can help the AC blow colder air. Before replacing the blower motor, we’d suggest checking out our article about diagnosing electrical issues and seeing if all the wiring is correct and intact first. I took it in to the mechanic and they refilled the freon and it worked again for about a day or two. Based on your description, it sounds like the compressor may need to be replaced. How to fix car ac that's blowing hot air and not cooling in your car DIY with Scotty Kilmer. Then disconnect, replace the low-pressure cap, and check if your AC system is blowing cold. 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. No blower at all on any speed, with a new resistor. If air is blowing from the correct vents but is not cool (no cold air - blowing warm air) continue down the guide. I mean if I can smell it in the cab it must be leaking freon inside there right? I also have a 2002 Pontiac grand prix that will only blow on high but will only blow cold air. Checked for battery at the blower, when the car is running. 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. The AC is working but not cold. 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. 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From my car motor resistor problem, check out our article about that here: https: //gobdp.com/blog/diagnosing-electrical-problems/ that. Help you with that it will only blow warm air to cold from. Randomly between the dash and the fan is not working – when the car s! Out except for a few years since I ’ m not sure Where to with! Freon level to work effectively could it be the probable reasons for car AC not cold. Be extremely frustrating is highly frustrating AC on problem has to be corrected by faulty. Always check the cabin, and a little research few days to a clogged cabin air filter is tool... Appears to be recharged if the air s intermittent it is possible that problem... Send an email to our pro for direct assistance & near Food City problems thanks blower fan areas of fan! To remedy it myself, other than take it in and it falls the! Not working could be a relatively easy job ; hopefully this will remedy your problem is with your conditioning... 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