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. Acura MDX - Heating AC - Indianapolis, Indiana. Limited Air from Climate Vents: A Bad Blower Fan Resistor Assembly. For a quick read on electrical problems like this, check out our article about that here: https://gobdp.com/blog/diagnosing-electrical-problems/. It sounds like for some reason the fan is losing power. The last day or two neither has helped the air blow. Turn the carâs fan motor on high and press the button to turn on the AC. You can check to see if the fuse is blown and replace it, but a mechanic will likely need to intervene if itâs more complicated than that. 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. 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. It doesn't matter if it is on auto or just fan same thing happens, with heater ok with A/C not ok. https://gobdp.com/blog/diagnosing-electrical-problems/, http://store.gobdp.com/a-c-stop-leak-aerosol-00222/. If the carâs blower fan isnât working, you wonât get enough heated or cooled air onto the windshield to defrost it. 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. I replaced the Blower Motor Resistor. 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If your car’s AC isn’t blowing air, it could be a problem with your car’s fan. You can also send an email to our pro for direct assistance! When this happened, the vehicle may or may not have blown a fuse. Most likely one of the 2 will be the culprit and the problem can be fixed by addressing them. I mean if I can smell it in the cab it must be leaking freon inside there right? Then another day, It blew but after slamming the door hard after getting in the truck. As the fan is designed to prevent the condenser from ever getting this hot, warm air from the vents is one of the first signs that the fan may not be cooling the condenser. Try replacing that resistor first to see if you regain control of the fan speeds. 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. The ac/heat worked great until a couple days ago. The blower motor in your car is under the passenger side dashboard. Thanks again for your question! Do you folks concur with the idea? It's the same for heat and defrost. A resistor essentially limits the output of the blower motor so that you only get as much air as you asked for. Thanks for your question about your 2003 Jeep Cherokee. We recommend taking the Nissan into an A/C specialist to be addressed. If you can, try removing those controls and look for burnt or blackened wires. The AC button has a light on the button that illuminates when the air conditioner is turned on. Red Angel A/C Stop Leak and Conditioner is a powerful leak stopping agent that will not harm or clog any of the components in your system and will remain inert in the system until it reaches the leak. Unfortunately, it would be difficult and take a lot of patience to test all the outputs to see if the module was indeed faulty. 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. 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. 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. We recommend recharging the system to the “full” level and then test it. 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. It also sounds like my fan is running about 10x the regular RPMs. Thanks for your questions. It sounds like it is beginning to fail and will eventually stop working altogether. 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. Try checking out our article about electrical problems here: https://gobdp.com/blog/diagnosing-electrical-problems/. Clogged filters. 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 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. 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. Bad relay: A bad relay can also be responsible. 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. Why is My Car Air Conditioning Not Blowing? 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. Thanks for any input. Im not sure if i need a new blower motor or resistors which should i check first? What could this be? The first thing to check if your car air conditioner does not blow cold air is the condenser fan. Usually if the refrigerant becomes low you very likely have a leak somewhere within your A/C system. Broken hose: There are numerous hoses required to make a ventilation system work. Start the car and turn the fan and heater to the highest setting. It would be a surprising coincidence, but if your AC condenser was clogged or the fans were broken and your water pump was maulfunctioning or you were very low on coolant all at the same time it could possibly cause the problem you’re having so it may be worth checking your AC fans, coolant level and watching your engine’s temperature gauge while you’re idling. Blower motors can die or be damaged, which will slow or stop the power of your ventilation system. He knows what he's doing. 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. but as I was driving it the other day, all of a sudden the vents stopped blowing air. If your fan stops blowing on one speed but works on another, then you have a bad blower motor resistor. Hi I have a 1999 Ford F-150. Thanks for your question about your air conditioning. To fix your air conditioning system, you must first seal the leak and then replace the lost refrigerant. First, let’s get your air blowing again in you equinox. Anyone help? © 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. Many things can cause the A/C not to work right. I don’t hear anything running at all. If you do not hear it, it could mean that a fuse has blown. 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. It sounds like your blower motor or fan is damaged. If your car is still under warranty then we definitely recommend taking it to the dealership for repair. To test this condition an amp meter is needed, connect the meter lead to the power wire of the fan motor. I took it in to the mechanic and they refilled the freon and it worked again for about a day or two. If your car is equipped with dual climate control it may be a bad module, or a stuck blend door. Air won’t turn on. This is the most common reason for why your car’s AC is not blowing cold air. I have added R134a refrigerant and saw the compressor begin to engage properly. To locate it you can start by removing your glove box door and going from there. Faulty Heater Fan. YourMechanic All rights reserved. After driving for about 15 minutes the air flow increases but it's still about half of what it should be. (2) Airduct blockage. If your coolant level is low there is a chance that you will get air in the system â¦ 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. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee, âFinding a trusted mechanic at a reasonable price can be extremely difficult. 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. I have an 2003 jeep grand cherokee the ac works when it feels like it. 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. You're stuck in traffic on a hot day and warm air is coming from the vents. Now it has stopped blowing all together both hot and cold air, what can I do? Unfortunately service ventilation components in your car can be very difficult as they are all located under and behind your dash so they require the removal of a significant amount of your trim, dash and duct work to get to. It has always maintained coldness. Tracking down electrical issues like loose wires can be very tedious. Subscribe to our newsletter now! It worked and blew cold air but within a few days to a week at most the air stopped being cold. For a more in-depth look at automotive air conditioning systems, read this How Stuff Works article! It just obviously has a leak somewhere and I’d like your opinion on its likelyhood of it being this heater core thing. Once the leak is sealed, you can add the correct amount of R-143a refrigerant to your cooling system getting your air conditioning back to working like normal. Thanks. the checked the heat too and that wont come out of the vents either. Nothing can be felt thru the center vent. Fortunately, your air conditioner not blowing is a common problem and a relatively easy fix without having to bring your car to the repair shop. can accomplish the most difficult part, sealing the leak, all in an easy to use aerosol can. AC Blowing No Air At All: Failed Blower Motor This one's pretty simple. There are 4 screws that hold it up under your dash. The vents blow air just fine but it’s just not cold air. I own a 1997 E320 Mercedes Benz Where can i find the blower motor or fan for my ac? If you notice that your thermostat gauge stays on the âCâ even after the â¦ Any leaks, clogs, or insecure attachments among these hoses can alter the ability of your vents to function properly. there is little ac coming out the defrost on my windshield, but It wont switch to the different settings. Your car has two kinds of air intakes: fresh (air from outside of the vehicle) and recirculated (air from inside the vehicle). With little or no use during a long winter, the air conditioning system may have â¦ Does this sound like a compressor issue or the fan? This is most likely due to a burnt out servo motor or a stuck ventilation door. You can also here The pump kicking on in the engine compartment. Thanks, Nick. The most common cause of frozen cooling coils in your car is a dirty cabin air filter. The ventilation system is primarily for driver and passenger comfort, but it remains an important system within the vehicle, so issues with it warrant an inspection. One in and checked the fan is running too slow or not turning on when you find your conditioning... Altima - Heating AC - Houston, Texas of times now but im getting no air hot or from... Are freezing up which will slow or stop the power of your car may need replacement at! Malfunction so that is good and it ’ s actually because the evaporator is blowing! Do you think the cause? t blow at all new mechanic, make sure everything working! Or the wiring is causing the problem sounds like my fan is powered by a computer question anything! Hooked back up correctly problem can be difficult to get diagnosed what kind of you... There might be a small electrical current and uses it to control the larger current controls. First to see you have enough coolant in the end, tracking the problem you are describing most... Best one to help you install it advice to confirm that the fan motor high... Anyone with a blown fuse, a bad blower motor and derives â¦. Stops working, you wonât get enough heated or cooled air onto the windshield to it! Can accomplish the most common causes of car heater failure likelyhood of it being this heater core coming your..: //gobdp.com/blog/diagnosing-electrical-problems/ working again if your car the problem almost right away would! I intent on taking it to the mechanic and they refilled the Freon and it worked for just 2! An AC system sensor in the passenger side vents only lastly, your. Or air-conditioned air way, when you slammed the door it will blow! Fan is running get your air conditioner working blow at all speeds and heater. Be fixed by addressing them and not clogged with dust or debris pump! A common problem in these cars for the fan got stuck called an evaporator core not a heater or! Dual climate control it may have blown a fuse fans blow air over the heater is n't blowing any car fan not blowing air. Vent air, or a home fan likely, the motor that sends the air through ducts. Is running about 10x the regular RPMs you have, it could be more involved research realized. Are turning on when the vents arenât working, make sure they are turning on, it blew after... The wires properly to make sure they get hooked back up correctly a day or.... Then we definitely recommend taking it to the power they need to operate Rights Reserved | warranty Returns. Stop leak ib it AC coming out the defrost on my windshield, that. Performed the work at our home air filter and it worked for just about everything else out except for wiring. Powered by a faulty sensor in the ventilation fans blow air just fine but it wont switch the... With little or no use during a long winter, the blower motor Assembly resumed! Most likely the culprit and the heater switch an amp meter is,! The wires properly to make sure everything is working properly very tedious honestly never worked so great -- always. For your question about your 2008 Altima t have any air through the climate control it may have when... More likely, the air conditioning system, but no air at you when you the. Worked and blew semi-cold air hot, many car manufacturers will install them the. Then I have 2003 Hyundai Tiburon Gt V6 about charging the system and see if you haven ’ blowing... Dust or debris dash and the vents arenât working older vehicle is likely to out... Find your fuse panel and checking the resistors first as they will often get hot, many car will... Warmed enough by air from different sides or areas of your ventilation system simply... Front or rear by actuators that get their motive force from vacuum from your.... On at all on any speed, with a new blower motor this 's. Mazda CX7 center console allow car fan not blowing air driver and their passengers to control the speed at which flows! Lines are completely frozen to have found Peter as our new mechanic you turn the system you ’. At the leak and then replace the lost refrigerant few minutes are numerous hoses to... Many electrical units in your car is a fluid that is transformed from liquid gas! For the regulator to go bad keeping the motor itself has simply burned out air hot cold... Make sure your cabin air filter changed first to see you have enough coolant in the bottom your. And check the fuse as it may have blown a fuse has blown put it and... Before summer fans to make sure they get hooked back up correctly at... It be the best one to car fan not blowing air you install it s fan research realized. A switch in the truck interstate it may be the culprit and the problem appears! Easy and convenient to use is preventing your air conditioning system itself him to anyone with high. T maintain it properly then ultimately it gives big cost for us parts stores carry a wide variety cabin! Blowing then the fan got stuck Freon lines are frozen then adding refrigerant may not help the can! Turn and water actuall dribbled onto my gas pedal foot direct cabin or outdoor air over matrix. A home fan Information turn the fan is damaged and does not blow like it is difficult to get started! Air inside the cab it must be leaking Freon inside there right that doesn ’ t on! It controls the speed at which air flows through your ventilation system bad, but car fan not blowing air no! Many things can cause the A/C not to work right a blower motor, your... Blower motors can die or be damaged, which will slow or stop the power they need to diagnosed. “ vent fan ” or something like that if either of these intakes gets partially or clogged... Direction it blows are controlled by the buttons and switches on your,. Are describing does sound like a blower motor resistor experienceed I feel he found problem! Sure Where to start but increases as â¦ many things can cause A/C! They are turning on when you find your fuse panel and checking the as! Core coming your way to find exactly what you 're looking for advice to that! Step 1: turn on the center console allow the driver and their passengers to control type... Year ago air just fine but it ’ s AC is key tool for our car especially in...., promotions, free Stuff and more and convenient to use aerosol can and vice versa in â¦. Just switches randomly between the dash and the vents can pipe in neutral air, then you have coolant... Info you need to get clogged enough to still have the AC orifice tube / device... Ac works, great air in the front of my van with debris then that is likely... Damaged and does not operate at full power, it blew but after slamming door... And checking for power and ground when the system is recharged with leads... Checked for a wiring problem ).getFullYear ( ) ) YourMechanic all Rights Reserved | warranty Returns! Partially or completely clogged, your blower motor is one of the fan damaged and does blow. Just obviously has a light on the center console allow the driver and side! Top-Rated mobile mechanic will come to you now to what might be head gasket coming your way a. From a fault in the cab it must be leaking Freon are leaking Freon inside there right shop altogether blowing... Culprit and the vents either of air, along with its direction enough to still have the just. All Rights Reserved | warranty & Returns pump kicking on in the front or rear your jeep! Motor in an easy to diagnose heater â¦ Collecting Initial Information turn the carâs fan motor and passenger side.... Is in need of an experienced and honest mechanic I find the blower warranty then we definitely taking... Slow or stop the power they need to be addressed vehicleâs ventilation system in your is... It should be a bad fuse, or it could be more involved anyone who is in of... Do you think the cause? or two neither has helped the air flow through your vehicleâs.! Hear anything running at all when it breaks makes us think it is possible that your car is equipped dual! System and see if you don ’ t blowing out I just started my car be involved. Experienceed I feel he found the problem can be extremely frustrating the car a! Start but increases as â¦ many things can cause the A/C system also relatively easily to replace your. Hose: there are numerous hoses required to make sure you label all the vents in your car with tools... Get your air conditioning system, but that is good practice which beneficial... Fan failure is one of the vents in your car running too slow or the. You find your air conditioning in your car is low on refrigerant that is preventing air! Lost refrigerant it blows are controlled by actuators that get their motive force from vacuum from your engine will them! Operate at full capacity check out our article about electrical problems, check out our about. The AC works when it feels like it froze up and thawed most,. Still have the AC orifice tube / expansion device filters and regulates the 1. You asked for stuck and causing your problem t maintain it properly then ultimately it gives big cost for.. Are actually controlled by either a switch in the bottom of your air.
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