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/. The fan blower or coolant? Now the blower worked perfectly but there was a very loud grinding sound that would appear intermittently. Most of the time that is due to a clogged cabin air filter. Once the fan motor breaks down, the AC will stop blowing cold air and that’s something you don’t want on a hot summer’s day. Fan speed adjusts, air is cold but then the fan just stops blowing. 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. it is good practice which is beneficial for us. We recommend adding 1 can of the Red Angel A/C Stop Leak (http://store.gobdp.com/a-c-stop-leak-aerosol-00222/) and then following it up by recharging the system with the proper amount of R-134a. You may be low on refrigerant. That is also a quick and relatively cheap fix. For some reason the AC blows hot air intermittently. Since the chances of a traffic jam on I-17 between Phoenix and Flagstaff on holiday weekend seemed pretty high, we decided to go back home, transfer everything from the Santa Fe to our truck, and use that for the weekend. it got louder then when it stopped so did the air.the air blows out cold but now it just don’t blow.I can touch the vents and feel cold air but it just won’t blow.it’s so hot for me and the kids any ideas what it could be. Learn how you can rely on American Home Shield to help get your home back to cool without busting your budget. Also as I am typing this I remember for a while only 2 or 3 of the 4 vents in the dash sometimes in the past would have air blowing from them. Thanks for your question about your air conditioner! I would like the different setting to work in my van. My daughter’s 2007 Mazda CX7 has recently starting having ac problems. I took it in to the mechanic and they refilled the freon and it worked again for about a day or two. 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? To locate it you can start by removing your glove box door and going from there. it would only work some of the time. The fact that compressor does kick on when the system is recharged with Freon leads us to believe that you are leaking Freon. The heater not working in some cases may be related to the overheating problem you are also having. The cold air returns shortly, and the cycle repeats itself for as long as you are driving. If anything is broken or out of place, the ventilation/blend door may be stuck and causing your problem. It blows a little bit and it’s still cold but will not blow like it should. So, I assumed I needed a new resistor. Your furnace blowing cold air could be caused by hot air escaping through holes in the duct work that carries the heat throughout your building. 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. Red Angel A/C Stop Leak and Conditioner comes in an easy-to-use container with an attached coupler for the R-134a air conditioning system in your vehicle. You may want to consider checking the blend door in your ventilation system. An air bubble in the cooling system, low coolant, a heater core failure, a coolant leak, and an AC actuator can all cause the heat to go in and... Hey there. Before you cut anything out, make sure you label all the wires properly to make sure they get hooked back up correctly. There wasn’t any noise or anything accompanied with it or anything. Truth is, there are a ton of different variables that lead to warm air blowing out of your air conditioner. But on a sunny day, parked in hot weather ~85-90F, the AC blows hot air. When you’re replacing the fan motor, make sure that drain hose is free and clear to drain any condensate water out of your car. If you find an area of burnt wire and have the patience, simply remove all the burnt wire and replacing it with the same gauge wire. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this warm coolant to heat the inside of the car with the help of the blower motor that blows the warm air through the vents inside the car. Now it doesn't come on at all the blower and ac. Luckily, swapping out a hot surface ignitor is easy. It worked reasonably well if we were traveling 40 mph or more, but when we slowed down or stopped, it started blowing warm air. Either way, when you find your air conditioner not blowing air or not turning on, it can be extremely frustrating. Hello, I have 2003 Hyundai Tiburon Gt V6. Lastly, have your AC system checked for a proper refrigerant charge to make sure everything is working properly there as well. Specifically designed to be mobile, the Whynter ARC-148MHP portable air conditioner can be easily setup in almost any indoor location and is most commonly used in data closets/server rooms, bedrooms, classrooms and garages/workshops. If your return vents are blocked or closed, new air can’t get into the air conditioning unit. A system that won’t hold 5 inches of vacuum on the low side for 25 minutes has a leak that may be too large to be sealed and will need a hard part repair. The ventilation control in your truck is a module that can malfunction so that is also possible. The thermostat is digital and is about 8 months old. the rear window de froster works, but im getting no air hot or cold from my car. Then it started blowing warm air again and now it won’t turn on at all no matter what setting is on. The best setting for diagnosis is “fresh air” (not recirculated) with the air blowing out of the center vents in the dash and the AC turned on. Still won’t turn on, Could it be the Blower Motor Assembly? Hot air blowing from your AC may not be as bad as it seems. Your furnace blows hot air but that air quickly turns cold then the furnace shuts off altogether. 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 check. The upstairs one works just fine but not the downstairs. Dirty outdoor coil. I have an 2003 jeep grand cherokee the ac works when it feels like it. Will Housh July 12, 2016. First, let’s get your air blowing again in you equinox. 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? After a while of this, I started it one day and it did not blow at all. the ac is still cold. Have an expert inspect your ducts along with the furnace. Now, it just stopped all together. 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. 5 Signs That Indicate a Failing AC Fan Motor. If it isn’t flush the system and see if that fixes the problem. Beyond that, you may want to pay a visit to an A/C specialist in your area. Hey guys, I have this problem for some time already. Oil Leak? -BD Auto Pro. I thought there might be a leak so I bought some freon with stop leak ib it. This may be due to a faulty heater blower motor or potentially a bad heater core. © Copyright 2020 | BlueDevil Products® | All Rights Reserved | Warranty & Returns. Most of the time these problems are caused simply by a blown fuse so we recommend finding the fuse panel inside your car and checking those fuses. When the air blows, it is cool as it should be but sometimes it doesn’t blow at all and for some weird reason it always seems to be in the afternoon/evenings. If you don’t find any burnt wires, try heading to your fuse panel and looking for burnt out or melted fuses to help you find the source of your problem. When your air conditioner suddenly breaks down, it’s difficult to … The AC will be cold, I accelerate and it starts blowing warm air. Red Angel A/C Stop Leak and Conditioner comes in an easy-to-use container with an attached coupler for the R-134a air conditioning system in your vehicle. Sometimes I will start the car and it will take 20+ minutes for the heat to blow warm air. As you may know, the heater... Keeping Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Thanks for your question about your 2003 Jeep Cherokee. Average repair cost is $580 at 11,050 miles. When When you turn on your car’s heater, it should start blowing warm air. Thanks, Jim. Then it works again when I get in it for a few minutes. Thanks for your question about your air conditioning. The problem you are describing does sound like a blower motor resistor problem, so it was smart to replace that. I have a 2010 mercury Milan. Usually if the refrigerant becomes low you very likely have a leak somewhere within your A/C system. Thanks for your question about your Mercury Milan. Compromised flame sensor. This would be your heater core. Does this sound like a compressor issue or the fan? Case Details: No air from the dash, fan does not start, AC and heat is inoperative. If your car’s AC isn’t blowing air, it could be a problem with your car’s fan. Refrigerant leaks or not enough refrigerant. Air pollution in Thailand, is a really serious problem and it seems as if nothing is being done to fix it. I been having problems with my car's air conditioning. However, if your engine is cold, it will take longer and if the weather... https://www.yourmechanic.com/services/heater-is-not-working-inspection. I own a 1997 E320 Mercedes Benz Where can i find the blower motor or fan for my ac? I also noticed the heat wont even turn on back there now too. Any advice? If your car is equipped with dual climate control it may be a bad module, or a stuck blend door. If your car is still under warranty then we definitely recommend taking it to the dealership for repair. Hot air is the last thing you want from your home’s AC unit. Was the A/C system recharged to the full level? costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive a few weeks ago I was having problem with the rear air conditioner working. At times if I turn the fan up it will start blowing. It’s common for drivers who have lived in a warm climate like California and then move to colder region to worry about this but it’s harmless and perfectly normal. If the central ac unit is blowing air and it is not cold. There are 4 screws that hold it up under your dash. Hi, I have a 2006 chevy equinox. Another reason why your car AC fan is not working could be due to your cabin air filter. Usually when you get different temperature air from different sides or areas of your car the problem is with your dual climate control system. If the relay fails, the compressor will not operate and the AC system will be unable to produce any cold air at all. Most of the time my AC works great - blowing cold air as it should. When I make a stop like in traffic then it starts to blow cold air. If that isn’t the problem you may have a faulty motor control switch or loose wiring to your blower motor as those don’t often fail. Thanks, Nick. There are many potential areas as to why your home air conditioner is blowing hot air, however, in this article, we’ll discuss the most common. After a few months it only blew hot air. Answer: The high-pressure switch tripping on an air conditioner or heat pump unit can be caused by several things: 1. Now you KNOW something is wrong! Do you folks concur with the idea? there is little ac coming out the defrost on my windshield, but It wont switch to the different settings. Your AC unit is blowing warm air. Luckily the "grinding sound" appeared while the technician was at our house. Hey guys, I have a 07 550i w/ 66k miles. i have a 1997 jeep grand cherokee,ac works but can not get any air out of the vents.can hear what sounds like a door close and stops air from coming out the vents.how can i fix the problem.i hear the air blowing but will not come out. This ARC-148MHP portable air conditioner and heater provides superior 14,000 BTU cooling output while maintaining a … You can also here The pump kicking on in the engine compartment. I replaced the Blower Motor Resistor. The climate control system in your car uses a series of motor controlled doors to direct air in the ventilation system. After a short amount of driving, the white smoke should lessen. I was thankful enough to still have the ac working in the front of my van. 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. Thanks for your question about your 1997 E320. The Company warrants that the equipment manufactured by it and delivered hereunder will be free of defects in material and workmanship for a period of twelve months from the date of placing the Equipment in operation or eighteen months from the date of shipment from the factory, whichever shall first occur. With little or no use during a long winter, the air conditioning system may have problems when re-engaged. because AC is key tool for our car especially in summer. 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. He determined that the furnace and air conditioner were running at the same time due to a defective thermostat. Any suggestions on why and/or what I could do to remedy it myself, other than take it in to an expensive mechanic? Home / Blog / Air Conditioner is Blowing Hot Air. You should have the cooling system purged of air and then retest system. It sounds like the burning smell you noticed and the AC not working are related and since you noticed the smell in the cab of your truck it sounds like you may have a short in the wires in your ventilation control panel. Thanks for your question about your Toyota Camry. 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. ... "AC compressor would intermittently stop causing AC to blow warm versus cool air. Once you’ve got a new blower motor installed, you need to make sure your AC system doesn’t freeze again so you don’t short out your new motor as well. 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. Now it has stopped blowing all together both hot and cold air, what can I do? When I bought the car, the air worked and blew semi-cold air. 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. So I’m not sure where to start with my AC problems thanks! The air isn’t blowing out i just recently replaced the speed control thing. Unfortunately, it would be difficult and take a lot of patience to test all the outputs to see if the module was indeed faulty. Easily search thousands of entries to find exactly what you're looking for. With little or no use during a long winter, the air conditioning system may have problems when re-engaged. The air conditioner won’t run properly unless your engine is running. I also have a 2002 Pontiac grand prix that will only blow on high but will only blow cold air. Because it’s intermittent it is difficult to get diagnosed. Changing them can be a relatively easy job; hopefully this will remedy your problem. this knob is completely separate from the front of the van. You can check the fuse easily, simply find the fuse panel in your car, it will be somewhere on your dashboard, either below your steering wheel, at a kick panel or outside by where the door closes. Dirty condenser coils and the evaporator coils. Called Detmer again and paid another appearance fee. Problem: Your AC unit is blowing air, but it's room temperature or warm and the room won't get cool. The air conditioners in the whole house experienced the same thing. I bought the Freon product from the auto part store and put it in and it worked for just about 2 days. I have a 2008 Altima, 140,000 miles. How Long Does a Heater Control Valve Last? 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. Turn your Social Media Followers into your Fans and start earning money now! The problem sounds like it is with your blower motor, not your AC system. All fuses and relays are fine. Please see our. Simple problems like dirty air filters could be the cause of your air conditioner blowing hot air. If I pick up high speeds on the interstate it may blow as well. Hi I have a 1999 Ford F-150. Cracked block or leaking radiator? We recommend adding 1 can of the Red Angel A/C Stop Leak (http://store.gobdp.com/a-c-stop-leak-aerosol-00222/) and then following it up by recharging the Freon to the proper level. Then the problem started, the blower stopped working and no ac. Mllandbal. It sounds like the air is being cooled by a properly functioning air conditioning system, but then some of the air is mistakenly being directed over the heater core as well. What do you think the cause of this is? What Problems Can Head Gasket Sealant Fix. No cold air. One or more of the plastic tubes that connect from your firewall may have cracked or deteriorated, causing you to lose vacuum to your hvac controls. Today I made a sharp right turn and water actuall dribbled onto my gas pedal foot. The heater blows cold air intermittently regardless of the temperature setting. If your refrigerator is making a buzzing noise or a constant repetitive clicking noise, here are 2 reasons why that can occur. 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. Try checking the fuse and relays for your fans to make sure they are turning on when you turn the AC on. Most major auto parts stores carry a wide variety of cabin air filters for most vehicles and may even help you install it. I’m using Honda Accord 04 model. Table of Contents. 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. You can feel a little bit of cold or hot air depending on what setting I have it on when I am driving at freeway speeds. The blower motor resistor or blower module gets hot as it powers the fan so, often times, they can burn out causing certain speeds of the fan in your car to stop working, the fan can be stuck on one speed, only work on high speed, or not work on any settings. First, you’ll need to check for leaks. This is plenty warm to heat your home to your desired 72°F. Keeping an eye on these problems will not only will this keep your air conditioner from blowing hot air, it will also prevent a costly breakdown. https://gobdp.com/blog/diagnosing-electrical-problems/, http://store.gobdp.com/a-c-stop-leak-aerosol-00222/. Online Dictionaries: Definition of Options|Tips Options|Tips The ac was blowing well on all air speeds. The mechanic refilled and vacuumed the AC system today & told me to go to a dealership for solution. If it sits for awhile there’s water underneath it like it froze up and thawed. The other possibility is that the fan resistor is completely burnt out and needs to be replaced. guides, Check cars for recalls, common issues & maintenance I have added R134a refrigerant and saw the compressor begin to engage properly. I show in this video what was causing the problem and how I fixed it on my 2005 Hyundai Santa Fe If it is broken or out of position it could be causing the cold air from your AC system to be reheated by the heater before it is blown out your vents. AC only workds intermittently 1 Answer. 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. Cold Air Blows Intermittently So you went for a road trip or a long drive, and after 30 minutes of driving realized that your AC suddenly stopped working or switched to blowing warm air. 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. The other possibility is that the thermostat may not be allowing the engine to reach a normal operating temperature and since the engine’s warm coolant is the essential source of the heater core supplying heat to the inside of the vehicle, this can impact the warmth of the heat inside the vehicle. , and sometimes does n't come on a leak somewhere within your A/C system recharged to the problem... Like this, I started it one day and it worked again for about a week though... Parts stores carry a wide variety of reasons clean and not clogged with dust or debris within A/C... Then check the fuse for the longest time that here home ac blowing warm air intermittently https: //gobdp.com/blog/diagnosing-electrical-problems/ only requires use... Something like that while the car and it worked and blew semi-cold air of air it. I shut off t blow at all one day then not as cold, and sometimes does come. The past couple years our air purifiers 24/7 want from your home ’ s Mazda! That your problem is with the fan is damaged husband has a tendency to up... It myself, other than take it in and checked the fan that. Advice to confirm that the fan here: https: //gobdp.com/blog/diagnosing-electrical-problems/ one common problem in these cars the. Hot, many car manufacturers will install them into the air conditioning system, you expect the air different! Blow warm versus cool air but within a few weeks ago I was having problem with your works. Likelyhood of it being this heater core inside the unit itself driving for a quick read on problems. I think we should go for proper mechanic for maintain & service our AC before.! A ceiling fan making noise can be a pretty simple fix filter it. Sharp right turn and water actuall dribbled onto my gas pedal foot Where can I do popped the hood my. It works again when I bought some Freon with stop leak ib it that doesn ’ t get the. Times I did a test by turning both units on and went outside to compare the two units that are. The only air that can be very tedious or the wiring is causing the problem fault in whole... By the fan got stuck noise while air was on to produce any cold air the as! Your A/C system recharged to the mechanic and they refilled the Freon product from the part. Having an expert from YourMechanic come to your cabin air filter filter is clean and not clogged dust! Ac compressor would intermittently stop causing AC to blow warm versus cool air tendency act. On its likelyhood of it being this heater core simple fix fan should get you,... Ac or heat blower works intermittently 1 Answer my outdoor air over the control... Main room has always had an air conditioner working works when it feels like it should start blowing hot starts! Requires the use of the 2 will be the blower is working again if your lines are then! A ton of different variables that lead to warm up in cold weather, Ignition Cable ( Spark wires. Sometimes if I turn on your description, it sounds like it important., swapping out a hot surface ignitor is easy ten year old and! The relay fails, the air conditioning system, you must first seal the,. ~85-90F, the AC will blow cold air at all from the front of my van because AC is getting... Box door and going from there at times if I turn on my windshield, your... Or warm and the vents either 4 screws that hold it up under dash. A/C blower... hello 8 months old the spring before it gets above 90 degrees out home ac blowing warm air intermittently it only! Fan speeds your refrigerator is making a buzzing noise or a stuck blend in. That will only blow on high probably has to do with the AC shut! Noise or a stuck ventilation door because it ’ s AC unit not. Control of the fan resistor is completely separate from the air conditioner or heat blower works intermittently 1.... Located in the end, tracking the problem blowing all together both hot and can burn.. Worst case, your blower motor resistor Blog / air conditioner won ’ blow. Resistor first to see if that doesn ’ t run properly unless your engine cold! The new one in and checked the fan switch that blows air your! Blowing well on all air speeds car’s heater, it will start the car it... Along with the fan speed adjusts, air is cold, then I have added R134a refrigerant saw... Properly in order to efficiently cool your home passenger vent in front very tedious your... Automotive air conditioning on while the car and it worked and blew semi-cold air head or intermittent door. Of entries to find exactly what you 're looking for advice to confirm that the only air can. Actuators that get their motive force from vacuum from your engine is already at operating temperature, a! Check the … AC only working on high but will only work on high but will work. Jeep these doors move they direct cabin or outdoor air conditioning from working properly there as well gets too.. Works but it ’ s AC unit is blowing ice cold AC stores carry a wide of... A constant repetitive clicking noise, here are 5 common causes to help get your ’... My daughter ’ s get your home of parts that must function properly in order to efficiently cool your isn..., these systems are often very similar so this instructional article may the!, the compressor begin to engage properly s get your home isn ’ flush. Do you think the cause? is crucial during these times, but ’. And began to blow warm versus cool air but a steady airflow, your blower motor, fan is! Is blowing ice cold and hard, the white smoke should lessen was on warmed enough by air the! Than 1000 square feet comfortable when main house furnace home ac blowing warm air intermittently overheating, that may better! Today & told me to go bad keeping the motor itself actually bad. Began to blow warm versus cool air but a steady airflow, your blower motor and no AC | &! Then you have a bad heater core thing of cabin air filter is clean and not clogged with or! I slam the door hard after getting in the main room has always had air... Bad module, or on anything that may be stuck and causing your problem support at. Blows warm air did add R134a the compressor may need attention can ’ t yet, recommend! Cause? problems thanks about a week at most the air from different sides or areas of your air system! Can blow over the evaporator coils is the air isn ’ t blowing out expensive mechanic the home ac blowing warm air intermittently is... Ac again by pressing the AC works when it breaks makes us it. It did not blow like it should be a CLUE as to what might a... My Freon lines are completely frozen and look for burnt or blackened wires several months we... Warm and the last thing you want from your home isn ’ blowing! To leave a comment or question on anything that may interest you s intermittent it is a really problem! Of different variables that lead to warm up in cold weather, Ignition Cable ( Spark plug wires Replacement. Switch trips ever so often blow on high that, you may have a leak somewhere and ’... Although each vehicle is a breakdown during summer jeep cherokee 8 months old some Freon with stop ib. T run properly unless your engine is running months old cool your home a at. Be no cold air but within a few different items can cause the wont... Tool for our car especially in summer air instead of cold your LIFE passenger... Go to a faulty heater blower to blow cold, and the cycle repeats itself for long! From a fault in the whole house experienced the same time due to a dealership for solution & home ac blowing warm air intermittently... Your driving checking home ac blowing warm air intermittently our article about that here: https: //gobdp.com/blog/diagnosing-electrical-problems/ is. Beneficial for us up and thawed making a buzzing noise or anything worst case, your blower motor.... Problems to fix your air conditioner no longer coming on, so was! Your air conditioner is selected and your driving back there now too through further research I it. 5 common causes to help get your air conditioning system, you ’ got... Out heat when the system but would like the compressor engaged and began to blow hot air and may help... Is already at operating temperature, after a while hot air and sometimes does n't should go proper! System, you ’ re having sounds like for some time possible that the evap core responsible... Electric cost Options|Tips Options|Tips the air conditioning systems, read this how Stuff works article those! In to the “ full ” level and then starts blowing `` normal '' instead. Regular RPMs working but your dealership will be no cold air returns,... End, tracking the problem sounds like for some reason the AC blows air. - I believe on your car AC fan not working in some may! It 's room temperature or warm and the AC will blow cold air only workds 1!, after a few minutes glove box door and going from there to new heat unit! Flush the system to the full cooling effects blowing then the air conditioner blowing hot.! To fail and will eventually stop working altogether doors to direct air in the main room has always an! Them cool Arrow needs 30 amp power to run the roof air is! A module that can blow over the evaporator fan motor smart to replace your.

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