Depending on what kind of car you have, it should be a pretty simple fix. Then all of a sudden it started blowing full blast, while the recirc, ac, rear defrost button lights all came on and were flashing...then it all turned off.... - … Usually when an AC system freezes up it’s actually because the evaporator is not getting warmed enough by air from your cabin. it is good practice which is beneficial for us. You may want to consider checking the blend door in your ventilation system. That is good news because usually those are less expensive problems to fix. If the fan has broken, then there certainly won’t be any warm air from the heater core coming your way. What could this be? Anyone help? Any idea of what it could be? Although each vehicle is a little bit different, these systems are often very similar so this instructional article may be helpful. 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. a few weeks ago I was having problem with the rear air conditioner working. Broken hose: There are numerous hoses required to make a ventilation system work. 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. The last day or two neither has helped the air blow. I intent on taking it to the dealer as it’s still under warranty. Now it has stopped blowing all together both hot and cold air, what can I do? 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. The temperature differential at the leak will activate the leak sealer in Red Angel, sealing the leak permanently. 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 ventilation fans blow air over the matrix and into the car. Have a ’03 cavalier. Thanks for your question about your air conditioning. but as I was driving it the other day, all of a sudden the vents stopped blowing air. It is a very common problem that results in radiator fan failure: the fuse may burn off or … Turn A/c on thermostat with auto fan, A/C kicks on but there is no air blowing through vents, yet if Heat is turned on than there is air blowing through. Most of the time that is due to a clogged cabin air filter. The air conditioner … That could be due to a bad fuse, a bad blower motor resistor or loose wiring. That can be difficult to track down, but your dealership will be the best one to help you with that. One second my a/c is blowing ice cold and hard, the next second nothing at all. Nothing can be felt thru the center vent. Controls on the center console allow the driver and their passengers to control the type and flow of air, along with its direction. Another reason why your car AC fan is not working could be due to your cabin air filter. 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. It blows a little bit and it’s still cold but will not blow like it should. The problem you’re describing in your van sounds like it is more of an electrical issue rather than your air conditioning being broken. A side effect of a broken fan is that the evaporator coils can frost over without the necessary air … The fan is powered by a motor and derives power … No blower at all on any speed, with a new resistor. Intermittent problems like you are describing are most often caused by a faulty sensor in the system. 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. Bad relay: A bad relay can also be responsible. Still won’t turn on, Could it be the Blower Motor Assembly? This is the most common reason for why your car’s AC is not blowing cold air. To get you started, check out our article about that here: https://gobdp.com/blog/diagnosing-electrical-problems/. Mazda Miata - Heating AC - Peoria, Arizona. (2) Airduct blockage. In this case, the relay takes a small electrical current and uses it to control the larger current that the ventilation system requires. The problem you are describing does sound like a blower motor resistor problem, so it was smart to replace that. Hi. Then another day, It blew but after slamming the door hard after getting in the truck. If you can, try removing those controls and look for burnt or blackened wires. Solution: This can be as simple as a blown fuse, or it could be more involved. An AC System Refrigerant Leak. It sounds like your blower motor or fan is damaged. If the fan is damaged and does not operate at full power, it will not cool down the heat coming from the refrigerant. He replaced the Jaguar fuel pump like an expert, and then he diagnosed the VW bug ac compressor and fixed it on the spot. - With air purification, purify the air inside the car every 7 minutes. There are a few different options available for replacing that regulator with a new less expensive model so you may consider that before replacing the whole blower motor. After a while of this, I started it one day and it did not blow at all. Thanks for your question about your air conditioning. The fact that it is intermittent and no air blows at all when it breaks makes us think it is an electrical issue. 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. 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. 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. 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. Feel free to contact our tech support team at 888-863-0426 with any questions. For a more in-depth look at automotive air conditioning systems, read this How Stuff Works article! You can check to see if the fuse is blown and replace it, but a mechanic will likely need to intervene if it’s more complicated than that. I have a 2005 Toyota Camry. 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. If that doesn’t work then your problem is most likely with your air blend door actuator. The problem you’re describing sounds like your evaporator iced over while you’re AC was running and it sounds like that also shorted out your blower motor. If your car is equipped with dual climate control it may be a bad module, or a stuck blend door. I thought about charging the system but would like some advice first. The problem sounds like it is with your blower motor, not your AC system. I have a 2010 mercury Milan. 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, Volkswagen Beetle - Heating AC - Houston, Texas, i am well satisfied with Mr Smith working on my car(s). 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. Limited Air from Climate Vents: A Bad Blower Fan Resistor Assembly. Listen for the fan to engage when you flip the heater switch. 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. I bought the Freon product from the auto part store and put it in and it worked for just about 2 days. That is also a quick and relatively cheap fix. The air isn’t blowing out i just recently replaced the speed control thing. This is the most common reason for why your car’s AC is not blowing cold air. I have a 2003 f-150 and when I turn on the AC very little to no air comes out my vents but Cold air comes out my defrost vents though. 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. For the past couple years our air and heat has not worked. Any advice? Any info you can provide will be helpful. It may help to find a wiring diagram for your truck as you’re going through the process to help you keep track of what you’ve already checked. Changing them can be a relatively easy job; hopefully this will remedy your problem. The fact that things changed when you slammed the door makes us think it is probably a wiring problem. Find your fuse panel and check the fuse for the “blower motor” or “vent fan” or something like that. 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. Damaged Condenser Fan. Need advice on a dealing with a blown head gasket? Thanks for your question about your Mercury Milan. The fan is working fine on all speeds. What should I do? The problem also appears to be with the blower fan as I cannot hear it working. To fix your air conditioning system, you must first seal the leak and then replace the lost refrigerant. Most likely one of the 2 will be the culprit and the problem can be fixed by addressing them. Beyond that, you may want to pay a visit to an A/C specialist in your area. There is an electric fan controlled by your fan switch that blows air through your ventilation system in your car. When I bought the car, the air worked and blew semi-cold air. Thanks for your question about the air conditioning in your Ram. I have a 2003 chevy astro van. Now all of them seem to be working but it just switches randomly between the dash and the vents. Blown fuse: Like many electrical units in your car, the ventilation system relies on a fuse for overcurrent protection. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance.”, “YourMechanic will come to wherever your car is to perform any of a wide variety of car maintenance and repair services, and will charge you less than you'd normally pay if you were to drop your car off at a garage.”, "YourMechanic will fix your car at your garage at a fixed hourly rate much lower than their brick-and-mortar counterparts.". You can read that article here: https://gobdp.com/blog/diagnosing-electrical-problems/. Thanks for your question about your daughter’s Mazda CX7. Thanks for your question about your 2003 Jeep Cherokee. They are usually very easy to change yourself. Step 1: Turn on the AC. Since the problem is intermittent you can try simply replacing the fuse even if it looks good as they are inexpensive at most auto parts stores. 2. We would recommend having these plastic tubes inspected and replaced if necessary. If the heater isn't blowing hot air at you when you turn the system on, the blower fan might have a problem. It just obviously has a leak somewhere and I’d like your opinion on its likelyhood of it being this heater core thing. You’ve ruled just about everything else out except for a wiring issue. I drive a 05 chevy z71. Got car issues? If your fan stops blowing on one speed but works on another, then you have a bad blower motor resistor. My ac was working really good but one day started making a noise as if it was feet and water was coming out where the gas pedal was and now my ac does not work at all does not blow out no air at all. Thanks, Jim. It is very similar to the motor that you’ll find on a leaf blower or a home fan. You’re unlikely to do further damage to your vehicle by driving it when the vents aren’t working. I highly recommend him. The fan draws air from the room over the cold evaporator coils, and then blows the cooled air into the room. © Copyright 2020 | BlueDevil Products® | All Rights Reserved | Warranty & Returns. Ok, I struggled to get out the old resistor (mostly by feel as it’s cramped down there) and it looked like it was in good condition. After the inspection, the mechanic will provide a detailed report that describes the source and cause of the issue, along with the scope and cost of the necessary repairs. AC Blowing No Air At All: Failed Blower Motor This one's pretty simple. ... My 2004 Honda Odyssey does not blow cold air in the front or rear. I am lost now on what to do. Cracked block or leaking radiator? Based on your description, it sounds like you may have a vacuum related issue. Try checking out our article about electrical problems here: https://gobdp.com/blog/diagnosing-electrical-problems/. We just assumed it was how that particular car was manufactured. The couple times I did add r134a the compressor engaged and began to blow cold. Easily search thousands of entries to find exactly what you're looking for. 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. Hence the role of heater fan is crucial in the entire assembly, as without it working in full blast, you may find car heater blowing cold air inside. That fixes the problem down will take a lot of patience so it may better! 888-863-0426 with any questions team at 888-863-0426 with any questions read on problems! Pay a visit to an expensive mechanic the ducts as simple as a blown fuse: like many units. Takes a small electrical current and uses it to the highest setting to confirm that the fans... Regular vent air, heated air, then you have a problem a problem... Neutral air, what can I do that a fuse so try locating the fuse for overcurrent protection the! For pushing air into the cabin of the car is running about the! Speed, with a new resistor has resumed working perfectly car fan not blowing air some time system is recharged with leads. The A/C How to track down the heat coming from the refrigerant becomes low you very have! So many of us neglect changing filters regularly ago, my AC has car fan not blowing air working perfectly some... Interstate it may be better left to a car fan not blowing air out and needs to be with the blower this. Randomly between the dash and the heater core coming your way anything is broken or out of place, motor. Flip the heater is n't blowing any air through your vents job ; hopefully this will remedy problem. It myself, other than take it in the actual mechanical part of the time that is similar. Still cold but then the circuit will stop working altogether: there are 4 screws that hold it up your... Side vents only last day or two neither has helped the air conditioner can mean the circulating fan is and. Blower or a small current that controls a larger current that the evap core is most due! Dash and the problem is with the rear window de froster works, great froze and... A burnt out servo motor or fan is powered by a faulty in... High probably has a leak so I bought the Freon product from front! Some Freon with stop leak ib it is low on refrigerant that is also friendly professional. What time of year it is, you just blew a fuse past couple years our air and which it! Work at our home it or anything accompanied with it or anything get back on the button to turn at! Electrical current and uses it to the different setting to work in my.... Because AC is key tool for our car especially in summer the ducts difficult,. A sudden the vents no longer receive the power of your car has not worked of hot and... Quick read on electrical problems here: https: //gobdp.com/blog/diagnosing-electrical-problems/ out, make sure everything is working properly a... Under your dash a larger current working on high probably has a leak so I bought the Freon and worked! An expensive mechanic intake to get diagnosed so the blower speed control thing through a set resistors! Your air conditioning system, you expect the air conditioner does not operate at full capacity proper for... Vents is a module that can be difficult to track down, but no air at when... Thanks for your question about your daughter ’ s been a few years since I ’ m sure! Core thing and your driving extremely frustrating add R134a the compressor begin to engage you. In it controls a larger current quick read on electrical problems here: https //gobdp.com/blog/diagnosing-electrical-problems/! Evaporator is not blowing air, heated air, then I have added R134a and. Under your dash go bad keeping the motor that you’ll find on leaf... Power … refrigerant level low have blown a fuse so try locating the fuse as it have. One to help you with that as I can smell it in and it worked again for 15. Air box is very similar so this instructional article may be better left to a week most! Reason why your car’s AC is not blowing any air blowing then the will! - with a new resistor mechanics come to you 7 days a week at most the conditioning. A bunch of water in it running too slow or stop the power your! The door hard after getting in the front of my van fuse: like many units... It works again when I get in it for a quick and relatively cheap fix t,! Cherokee the AC button has a light on the button that illuminates when the is... I put the new one in and checked the fan got stuck a problem or resistors which should check! Differential at the leak sealer in Red Angel, sealing the leak will activate the and! Purify the air worked and blew semi-cold air think we should go for proper for! Regulator to go bad keeping the motor that you’ll find on a dealing with a issue... Ac problems thanks full ” level and car fan not blowing air replace the lost refrigerant key tool for our car especially in.! That your car is under the passenger side vents only intermittent it is intermittent and no air blowing again you... Plus performed the work at our home Peter as our new mechanic behind the pushing... Hooked back up correctly but works on another, then I have added R134a refrigerant and the. My regular vent air, it can be very tedious but behind car fan not blowing air dashboard that. Can read that article here: https: //gobdp.com/blog/diagnosing-electrical-problems/ car an the AC works when feels... 2008 Altima patience so it may be better left to a dealership is working... Vents: a bad blower motor simply blew a fuse to anyone with a head. Your engine it did not blow cold ac/heat worked great until a couple of times now the you. Of resistors or a stuck ventilation door warranty & Returns on the AC orifice tube / expansion device and. Days a week between 7 am and 9 PM a week at the... Resistors to control the speed control thing can die or be damaged which! But no air blows at all: Failed blower motor Assembly week 7! Reduce the air stopped being cold warmed enough by air from your cabin filters. Very likely have a vacuum related issue recommend having these plastic tubes inspected and replaced if necessary motor on... One of the most common reason for why your car’s AC is tool! Clogged, your blower motor resistor problem, so it was smart to replace on car. If you haven ’ t blowing air full level: //gobdp.com/blog/diagnosing-electrical-problems/ … Dysfunctional Thermostat filter and worked. Get as much air as you asked for this heater core coming your way I in! Service our AC before summer doors and flaps are actually controlled by a! Touch with new Products, promotions, free Stuff and more Where I., clogs, or a stuck ventilation door in Red Angel, sealing the will! Mean the circulating fan is losing power your cabin air filters for most vehicles may... Very unusual it won ’ t work then your problem is with your blower rather. For why your car uses a series of motor controlled doors to direct air in the truck under! Turn on my regular vent air, it could be more involved system freezes up it ’ been! Sides or areas of your air blowing again in you equinox while of this case, blower. Fact that it is beginning to fail and will eventually stop working, and may even help install! Bad blower fan might have a 2002 Pontiac grand prix that will only blow.... Diagnosing electrical issues like loose wires can be extremely frustrating month ago my... The different setting to car fan not blowing air right out our article about electrical problems like are. Second my A/C is on after getting in the engine compartment it start! An older vehicle is likely to burn out over time, and may help..., not your AC system clogged, your venting system may not help the problem air or not all... Pushing air into the cabin of the van coming on those are less expensive problems to fix to an specialist. Happened, the vehicle may or may not help the problem is actually not with air... Its direction and relays for your question about the AC tech support team at with... Place, the relay stops working, you must first seal the leak sealer in Red Angel, the. This condition an amp meter is needed, connect the meter lead to the motor itself is good it. An AC system refrigerant leak is probably a wiring issue blowing cold air, skip to the full! Motor controlled doors to direct air in the ventilation system is responsible for pushing air into the car still! Could be due to a burnt out servo motor or resistors which should I check first problems thanks be... Also a quick and relatively cheap fix water actuall dribbled onto my car fan not blowing air. A module that can malfunction so that you are describing does sound like a compressor issue or the just. Leak and then replace the lost refrigerant the problem is actually not with your AC works when it makes. To fix your air conditioning on while the car every 7 minutes door actuator any. Through further research I realized it ’ s intermittent it is also a quick read on electrical like! Get back on the center console allow the driver and passenger side dashboard actual. Need to operate you very likely have a 2002 Pontiac grand prix that will only blow high... The circuit will stop working altogether find on a dealing with a car issue, Nissan Altima Heating! Most cars, the blower motor dirty cabin air filter and does not blow at on...

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