Air Barely Coming Out Of Vents In Car

Why is my car air conditioner not blowing cold air - Keepin’ Cool Mobile Auto Air - 100% Guarantee On All Regas & Repair Work! - Quality Service. In a video posted on Monday in Byram, Mississippi, a woman driving. History: In the summer, I noticed water coming out of the bottom of the car. I turned off the air whenci disconnected my battery but it now keeps wanting to open when ever I turn it on auto. Reaching under the dash, the a/c ducts themselves are also hot - thus the hot air coming out of the vents. From there it goes to the heater, which warms it if required. Ok so a couple of months ago I replaced my heater core. CarComplaints. On my '98 Windstar the rear A/C is blowing hot air. hot air is coming from passenger side in chevrolet traverse 2009 2011 Traverse front seat vents barely blowing When heat is on very cold air comes out of the. this is my first winter in this house and now that it's cold as shit outside, i've noticed that quite a few of the air vents in our house see to be having hardly any heat or none at all coming out of them. From there, the water is flushed out of your home through a drain pipe/line. I have a Ford Focus station wagon year 2000. Air conditioners can create a lot of water because they remove moisture from the air. If you have no pressure being displayed on the tank pressure gauge, then that is likely why compressed air will not come out of the air hose. At 30 out with proper airflow I'd expect a 25 degree rise over the coil. It didnt really smell like anything, just a burst of smoke came out at one time, from the driver side vents, like the car was overheating in the engine bay or something and it was coming in the car vents but the car wasnt overheating weiiiird I doubt it was my stereo wiring cause my CD player was on at the time, it still plays fine. No matter what setting it is in, max ac, norm ac, vent, floor, defrost, or whatever else, the air comes out of the floor and defrost at the same rate (max isn't faster than normal ac). First step is diagnosing the root cause of the lack of heat. It does it fairly often lately. The air conditioner in my car is acting weird. I have a 2000 Ford Explorer sport. Trickles out of the vents no matter how I set the air. (This is not steam coming out its SMOKE, i know the diffrence. we have a similar problemin our up stairs at night or on cloudy days the air flow is very powerful coming out of the vent. Thanks guys. Solution: Use a better air filter. If your air compressor has cut in, run up to cut out air pressure, then the gauge might read somewhere in the range of 100 -150 PSI, depending on the type of air compressor you have. Try it on all of the vents and while set to AC or Heat and check for differences. The vent output speeds can be changed. The dewpoint in southern climates is 70 degrees during the summer, and the air coming out of the vents is 40, so somehow the system is removing moisture (unless it's already been dried somehow, such as by recirculating). A clogged pollen air filter could do this too, though I don't know if they are standard or optional equipment. Mine doesn't even have a filter. The Evaporator core icing over would. I am recently having a cloud of white smoke coming out of the air vents when car is warmed up. The best way to prevent this black soot from circulating into your home is to upgrade to an air filter with a MERV of at least 13. The air no longer comes out of the center (dash) vents, regardless of where I put the switch on the dash panel. The passenger-side dash vents put out a lot of air pressure, but it's ICE COLD, like A/C. I have a 420a motor and the turbo is not yet installed the engine is mostly stock except for a cold air intake. Just enough to feel it on my hands while they're on the wheel. All settings except MAX AC duct air from the outside through those vents in front of the windshield. Occasionally I can get it to come out of the feet. No heat coming from floor vent either. We live full time in our 39' Fleetwood Providence. I left the fan running for 3-4 hours and now i try it again. If my experience with 4 Explorers, 2 Mountaineers and a Sport Trac, the dash side vents do not blow very hard. How cold should the air be coming out of the vents if the temperature at the intake is 77 degrees? I measured he air from a vent and it read 66 degrees which i thought was too warm. The center console vent (for film and candy) does well and has some air blowing out of it. Hello, The settings on my car there is no air blowing out of my vents either it is on AC or Heat, when the setting is at High the air is working fine. I started up the car this morning and turned on the fan and the air coming out of them was around room temperature. The thermostat is set on 71 and it is 64 in the house at this time. Suddenly, what appeared to be whitish smoke started coming out of the 2 center vents. How cold should the air be coming out of my air conditioning vents? There's air moving out of the vents but it is barely cool. Once you turn off your air conditioner it will thaw and could allow cold water out into your air vents which could be what poured out onto your gas pedal. The air conditioner was on a low setting at the time and set on defrost. If your air compressor has cut in, run up to cut out air pressure, then the gauge might read somewhere in the range of 100 -150 PSI, depending on the type of air compressor you have. It doesn't just stop there though, as you can see the driver driving down the road and soap just keeps coming out of the vents!. Reaching under the dash, the a/c ducts themselves are also hot - thus the hot air coming out of the vents. there is vacuum (will stick to my finger), when the car is on and put in. Repairs for this problem = A/C compressor, orifice tube and drier replaced about 1 year ago. On the ground floor most of the vents put out warm air. The proper amount of refrigerant in the system is very critical to A/C operation. History: In the summer, I noticed water coming out of the bottom of the car. Was there a sweet coolant smell coming out of the vents? Its possible the low coolant and the smoke are related to a blown heater core. and it strarted after i turned the car OFF nothing when it was on) has any one ever seen this? cuz i NEVER have and this is my first issue with the AC except the Knob adjustment between the 2 vents auto think not working. Any suggestions?. How cold should the air be coming out of the vents if the temperature at the intake is 77 degrees? I measured he air from a vent and it read 66 degrees which i thought was too warm. I have a 2000 model KW 900, air flow out the vents is very little, cleaned the filter & pulled out the blower & cleaned the heater core the best I could, no better. The fix: Check the filter and change it if it’s dirty. My tents put one of those "Nest" thermostats (programmable via internet an phone app) on my air conditioning unit. I hear/feal nothing. Why Do My Vents Blow Cold Air When My Heat is On? January 24, 2013 This time of year, especially when it gets cold outside in the evenings, we get many calls from homeowners concerned that there is cold air blowing out of the duct registers in their home when their heat is running. When the air is pulled in, condensation drips from the AC coils to what's called a drip pan. we have a similar problemin our up stairs at night or on cloudy days the air flow is very powerful coming out of the vent. On that metal ductwork, there's 4 tubes that come off the sides, for each bedroom and bathroom. Average repair cost is $590 at 90,000 miles. the air in my air vents is not coming out of my car. The outside unit still continues to run but the blower motor stops. Hello, I have a strange problem with my 92 Lexus LS400. I have 3 returns and a lot of supply vents and covering each one individually would be time consuming and not practical. When heat is on it only blows hot and can't change to cooler heat. For a 1998 Honda civic HX if there is no air coming out of the vents but the air conditioner fan works what is wrong? Your air conditioning cool air is routed to the various vents by routing doors. Before replacing the mode control motor, make sure the problem isn't a blown fuse. The air from your supply vents. FYI, the Drivers side vent is tied to the rear vents so what ever temperature you set on the Drivers side vent, it will be the temperature on the rear vents (if its working correctly). So it seems like the temperature control dial isnt working right, like it doesnt go to the lowest setting, ecen though it is set on it. I have steam coming from the dashboard and passenger car door vents. Now my vents wont work at all! When I switch the HVAC control to AC, the AC turns on but only comes out to the floor. Had me pretty concerned. Hey guys, just checked my car at lunch and noticed something funny. If you have no pressure being displayed on the tank pressure gauge, then that is likely why compressed air will not come out of the air hose. ) You’ll know if a dirty air filter is the issue if there’s very little air coming out your air vents. Sometimes it is steady, sometimes it is pulsing. Brian - I have a similar problem if you wouldn't mind helping. To get mildew the mildew smell out of the car you need to find out first where the mildew smell is coming from. The passenger-side dash vents put out a lot of air pressure, but it's ICE COLD, like A/C. So it seems like the temperature control dial isnt working right, like it doesnt go to the lowest setting, ecen though it is set on it. i was just wondering what could be wrong, the air comes out of them at speed 4 but not 1,2 or 3. Heater and air conditioning problems on cars and trucks. How to purge air from heating systems - Service Procedures to force air out of an air-bound hot water heating system How to diagnose cold heating baseboards or radiators How to diagnose heating circulator pumps that won't stop running Guide to Air Bleeder Valves on Heating Systems: Heating System Radiator, Baseboard, or Convector Air Bleeder Valve Troubleshooting & Repair Guide Cold radiators. So request you all to keep the car in recirculation mode when parking. hot air is coming from passenger side in chevrolet traverse 2009 2011 Traverse front seat vents barely blowing When heat is on very cold air comes out of the. I dunno, the only new thing I've figured out is if I set the temps high so that the foot vents are blowing air, water come out of them too. If you turn it on defrost there is no air coming out of that vent either. The air that comes into your car through the interior ac vents goes past the cars evaporator. Thanks for the responses. Continue until the smoke smell reduces. Pulled the stereo out and checked the cable. So, after replacing the blower, I hear a lot of air movement, but hardly any air is coming out of the dash vents. When I turn on my fan I get these tiny white dust flakes coming from the air vents. This will also help control mold. heater does not get hot. Most of the time, rats enter the car from Fresh Air intake vent, and end up chewing these foams. On more humid days, operating pressures will be higher on the high side of the a/c system. Clean and deodorize the air vents in your home and car regularly to keep the circulating air smelling fresh. Switching to air coming out of the dash vents probably only directs 10% of the air through the dash vents with the other 90% still coming out from below. Especially during hot humid summer days. I have a 2002 Jeep Wrangler x Apex edition. The heater core is basically a radiator, where the hot engine coolant runs through to heat the interior of the car. 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. If there's a small pinhole — which is a small leak typically caused by corrosion — in the heater core, drivers may have steam coming from the vents, but it will likely smell of coolant. Bill Allen, owner of Mechanics Plus in Casselberry, Florida, says that air flows through a heater core and an evaporator core before exiting the vents. How to Recharge Your Car's Air Conditioner: Introduction: Is the air coming from the vents in your car just not as cold as it used to be? You've likely run low on refrigerant in your A/C system. When your air filter gets too dirty, it starts blocking airflow to the evaporator coil (the part that actually heats the air when the heat pump is on “heat” mode. What kind of a car wash business steals an air freshener out of their customers car ?? Unreal. The fan is what blows air in and out of your home’s vents. If i close the vent, you can hear the air trying to get thru, but not in Bedroom 1. Mold from your car vents. These filters are designed to clean the air before it exits the air vent. On that metal ductwork, there's 4 tubes that come off the sides, for each bedroom and bathroom. Please advise. You can see in the video, soapy bubbles start coming through the air vents while the driver is inside the car wash. radiator and reservoir are at full. If moisture is a recurring problem, you may need to insulate the vents. If it smells bad, wash the area well with vinegar then after cleaning all the leaves and any other debris out of the vents, turn on the air conditioner and spray Lysol Disinfectant Spray into the vents. If changing the selected vent does not alter the flow of air, you likely have a blend door problem, which will require replacing the doors inside the dash that determine the direction of the air flow. I just dealt with this problem, and it kept me awake until the wee hours of the morning. I could hear the air pressure getting louder somewhere in the car, but absolutely no air was coming out of the vents. We live in TX and when we ride in my car, a 2004 Lexus RX, the vents are low, in the middle and she sweats so bad, even with me having the air at 70 and full blast. From there it goes to the heater, which warms it if required. Yup, I've got the same problem foam coming out of the vents and air coming out of the top vents blowing at the windscreen, even though those vents were not selected. It's just the heat it blows cold air and comes out through defrost and just found out also on the floor no matter what I set it at. However, if the air coming from your AC vent is smelly, you might have a serious problem on your hands. I have A/C vents in the floor (ductwork goes through the crawlspace), and have had problems recently with the ants coming out of the vents. If you can see "white smoke" coming out from the air-con vent when u switched on the air-con. Edit: A low charge typically results in warm air coming out the vents, and would not effect the volume of air coming out the vents. Average repair cost is $590 at 90,000 miles. Especially during hot humid summer days. Heat comes out the bottom, as planned, but not nearly as much DEFROST comes out the defrsot vents as it should. Not sure if this is a control module issue or a problem with the flap which determines where the air will flow. The first time I saw the smoke, I thought it was bluish, but my wife insists that it's been white. No air blowing out of the vents in my house! large box with a fan on top) did turn on but nothing is coming out of the vents. The 626 does not have a cabin filter. Air does not make it through the filter very well so it slows down the air coming out of all my vents from a waterfall to a tiny desert stream struggling to survive. There is a fan which blows over the heater core and heats the interior air. The return air doesn't appear to be sucking near what it used to. As far as I could tell the foam served as a gasket between the duct work inside the dash and the air vents on the front of the dash panel. Originally, anytime it was very cold out or was raining/wet, I would hear a nasty squelching noise coming from the car. The re-circulation door opens and shuts on max air, the bi-level door opens and shuts, but I don't get any air out of the dash vents or the defroster. I could hear the air pressure getting louder somewhere in the car, but absolutely no air was coming out of the vents. Well this guy didn't and he didn't have any heat coming out of the vents either. Move the vent selector to see if the air moves to the proper vents. Re: i10 air conditioner can barely blow air after being driven for a few hours As per the Symptoms explained by you, the Root Cuase of it seems to be the ThermoStat, i. there is vacuum (will stick to my finger), when the car is on and put in. I went to replace the cabin air filter, and it was a little dingy, but not bad. Brian - I have a similar problem if you wouldn't mind helping. However, I feel that is futile given the amount of heat that comes throught the vents. The furnace turns on but does not blow out any air. Closing Air Vents May Seem Harmless - How to Avoid Airflow Issues Nov 6, 2013 | Articles Managing your home comfort and saving a little money on energy costs seems as simple as closing off a few rooms and air vents. You can see in the video, soapy bubbles start coming through the air vents while the driver is inside the car wash. Anyone have any idea how I can remove this foam? I'm assuming some foam insulation in the vents is getting old & disentegrating. Meanwhile, the driver's vents now put out very weak air pressure (this is when fan is set to max) and there's lukewarm, barely-warm heat, even when both driver's and passenger's temps are set to HI. I recently bought a new car. Mold from your car vents. My car’s heater is not working right. The mold and bacteria have grown up in the car's air vents, thus produce the bad smell in the car air conditioner vents when I turned ON the car air conditioner. Most of the time, rats enter the car from Fresh Air intake vent, and end up chewing these foams. First step is diagnosing the root cause of the lack of heat. The little air that is coming out is real cold if that helps any. If used as bulkheads in rows and columns with tubing connections, the insulation of air outside the plastic container and against the trench walls might very well work against the desired. It's frustrating because the rear vents work fine. On that metal ductwork, there's 4 tubes that come off the sides, for each bedroom and bathroom. Why does cold air come out of my car vents when they aren t in use? - Barely any heat is coming out of vent and house is cold. The temperatures for the front driver and passenger vents would never sync at the same temperature and the rear vent would always blow hot air as well. Why You've Got Little to No Airflow From One Air Vent January 21, 2015 So, you turned on your heating/cooling system, and you noticed something strange: one of your rooms isn't heating/cooling properly. Symptoms of air conditioning problems caused by poor air flow. You can modify the HVAC system to accept one but thats a different topic. Let the air run for a couple of minutes. In addition on one of the air vents air barely comes out at speed 4 but its does on the other ones. Has been to dealer 3 times. Man what the hell I've prolly ruined some of the interior of the car from the water running out of the vents, come on the money I paid for this car is like a million dollars to me, hard earned money. Every thing appears to be switching in the doors and there is no cabin filter on this. A fan clogged by dirt, a stuck wheel, broken motor, or a loose fan belt are all common problems that reduce the amount of airflow you feel coming from your vents. Sometimes it is steady, sometimes it is pulsing. The reason I asked is that when the set temp is close to the external temp, the ACC often mixes cool and warm air in a manner similar to the way you have described. Does this mean there is an acuator stuck or hose come loose? Any diagrams or steps on how to check it would be appreciated. No Air Coming Out from Vents, PLZ HELP!!! I have a 2005 Altima 3. The first two times this happened, we had been driving for a short while (30 minutes) when this happened. And to give you a few ideas on what could be wrong with your car, here is a list of some common car AC problems and their possible causes. I have A/C vents in the floor (ductwork goes through the crawlspace), and have had problems recently with the ants coming out of the vents. Not enough air coming from the registers. Book Now!. Sometimes, in fact, not very often, there is a fog or a mist coming out of my AC vents in the car. The level of the coolant had been going down a. It is your a/c and. On my '98 Windstar the rear A/C is blowing hot air. Pulled the stereo out and checked the cable. Unreliable car heaters can make the cold winter months practically unbearable. Air conditioners can create a lot of water because they remove moisture from the air. The vents are controlled by little electric motors, if the system that controls the motors or one of the motors fails, this can be the result. My '02 x-type has some really nice and cold air coming out from the AC, but unfortunately, it's all focused on my feet. Does Enough Air Come Through A Car's Vents To Keep The Occupants From Suffocating? - posted in Medical and Health Science: Assuming its stationary, and the windows are up. To your dismay, you noticed that there’s little to no air coming out of the supply air vent! You check the other rooms and they’re getting air just fine. The Five Overlooked Car Maintenance Items How Preventative Maintenance Can Help You Avoid Catastrophic Repair Costs. If changing the selected vent does not alter the flow of air, you likely have a blend door problem, which will require replacing the doors inside the dash that determine the direction of the air flow. However, on Friday I started the engine and a substantial and continuous amount of powder was emitted. The reason I asked is that when the set temp is close to the external temp, the ACC often mixes cool and warm air in a manner similar to the way you have described. I used a vacuum cleaner on the dash vents to clean out the old foam. When only air comes out of face vents, there may be a problem with the mode control motor. Heat comes out the bottom, as planned, but not nearly as much DEFROST comes out the defrsot vents as it should. It appears that they're living in the gaps between my flooring, and using the vents as the point where they crawl out. Inside your dashboard, there is HVAC ventilation ductwork to transfer the outside air past your evaporator coils and into the cabin. checked for cooling system leaks, no leaks. The possible reason why there is mildew smell inside the car is when air has mildew smell comes out your car air ac vents this indicates that the car ac system has a drain pan problem. You air vent is not closing properly and too much of outside air is mixing with your cold air, or your aircon coil is really dirty and lots of water condensation in you aircon system. On my '98 Windstar the rear A/C is blowing hot air. The refrigerant is full. And to give you a few ideas on what could be wrong with your car, here is a list of some common car AC problems and their possible causes. The Drive and its partners may earn a commission if you purchase a product through one of our links. Lots of things can cause your blower to have trouble, especially if it gets too dirty. Trickles out of the vents no matter how I set the air. Smoke, Mist or Fog will come out of your A/C vents on hot, humid days. It didnt really smell like anything, just a burst of smoke came out at one time, from the driver side vents, like the car was overheating in the engine bay or something and it was coming in the car vents but the car wasnt overheating weiiiird I doubt it was my stereo wiring cause my CD player was on at the time, it still plays fine. I am recently having a cloud of white smoke coming out of the air vents when car is warmed up. Breathe Easy With a Cabin Air Filter. The A/C air started blowing through the defroster vents. The inside of the vent may be damp and dirty, and that may be why the ants were attracted. Chevrolet Traverse Electrical Problems. My last car (2000 Intrepid) had vents in the top of the door that were supposed to clear fog off the side windows. The heater core is basically a radiator, where the hot engine coolant runs through to heat the interior of the car. i was just wondering what could be wrong, the air comes out of them at speed 4 but not 1,2 or 3. This will also help control mold. My car has had it before when cold AC air hits the hot air inside the car, it goes away after a while. The first two times this happened, we had been driving for a short while (30 minutes) when this happened. The dewpoint in southern climates is 70 degrees during the summer, and the air coming out of the vents is 40, so somehow the system is removing moisture (unless it's already been dried somehow, such as by recirculating). Any advice is appreciated Sent from my iPhone using Tapatalk. So, what’s wrong with that one room? Here are few issues with the ductwork that can cause this frustrating problem. I've noticed a lot more condensation dripping from the car since this started. Solution: Use a better air filter. If your A/C system smells bad check for mildew in the vents or install a new air filter. How cold should the air be coming out of my air conditioning vents? There's air moving out of the vents but it is barely cool. I set my heat control to high, the fan to high, in the morning I start my car from the house with the remote starter, after 15 minutes I go in my car and sometime the air coming from the heather is cold, if I turn the heat control to cold and then back to hot then hot air come out, my garage change the motor and adjust everthing and it happen. Then after about 30 to 45 minutes the airflow out of the vents starts to wane, to a point where the cold air is barely coming out the vent. If I put my hand by the heat vents I can feel warm air barely coming out. And the blower seems too loud for the amount of air coming out of the vents. While the air conditioner is on full blast, look for the air intake of your car. AC Vent Smells and What They Mean When you turn on your air conditioner for the first time, you expect to be greeted by nice, cool air. You can clear this out by following this incredibly easy and free procedure every time you drive. Learn more: How to Change Your Air Filter. What kind of a car wash business steals an air freshener out of their customers car ?? Unreal. The incoming air can be heated by the engine to keep the windows clear of mist and the car interior at a chosen temperature. Then you turn the a/c back on, and it goes through that ice, evaporates it, and comes out as water vapor out of your ventsit's basically fog. In normal car air conditioning if the fan is set to maximum the air coming out the ac vents should be maximum also, but if the car air conditioning vent barely blows out air it is not normal. On more humid days, operating pressures will be higher on the high side of the a/c system. the material must expand and open the crack more or vacuum is more critical when its hot- im not sure- i do know that when it gets up over 85 degrees, my vacumm issues start to show. blowing debris out of HVAC vents - Ford Debris blowing out of A/C system on Ford. When I picked up the car the AC worked great, it was a short drive home so I didn't notice the problem. Yup, I've got the same problem foam coming out of the vents and air coming out of the top vents blowing at the windscreen, even though those vents were not selected. First step is diagnosing the root cause of the lack of heat. Managed to get it to work by wiping the windows with a cloth. The little open/close switch under the ignition switch --- can't really tell what the heck it's doing, if anything. Average repair cost is $590 at 90,000 miles. As soon as I put the thermostat on auto, the air stops blowing out. It looked like a lot to me though. The AC is not blowing as hard out of the panel vents as it should. If your car makes noise when accelerating or turning, don't ignore it. 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. From there, the water is flushed out of your home through a drain pipe/line. down stairs the air still comes out forceful and. 8 A/C system recharged this very afternoon, after it failed to cool a few days back. Almost no hot air was coming out. I have a 2000 model KW 900, air flow out the vents is very little, cleaned the filter & pulled out the blower & cleaned the heater core the best I could, no better. There's very little air pressure and low velocity. EDIT: it is a 2004 Envoy. First step is diagnosing the root cause of the lack of heat. Think of the sound you make if you form your lips into a tight O shape and blow. If the refrigerant cannot circulate through the air conditioning system because of a bad compressor, then it is not going to create the cool air that you want. But when it’s on 1/2/ or 3 I hear the motor working, but there is no air blowing. At 30 out with proper airflow I'd expect a 25 degree rise over the coil. 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. Most of the time, these smells are a result of some damage in your car air conditioner. Once the ants have disappeared, use soap and water to clean dirt from the vent walls as far in as you can reach, then dry the walls with a rag. the air is coming out rather cold. No air from floor vents or defroster vents, only front vents. How many chrome car parts do you think you can figure out from an image? Take this quiz to test your knowledge and enjoy the ride!. What is the cause 10 Answers. I tried activating the footwell vents (together with the main vents) which seem to reduce the air coming out of the top vents to a minimum. Related Car Repair Articles and Products. Not enough air coming from the registers. History: In the summer, I noticed water coming out of the bottom of the car. Any ideas?. I recently bought a new car. Proper auto A/C vents temperature. The dealership diagnosed my 2003 overland's a/c problem as the hvac blower resistor needs replacing. What's that coming out of your car vent? A snake. I just dealt with this problem, and it kept me awake until the wee hours of the morning. Low refrigerant levels are never normal and exposure to refrigerant can be. It sounds like a vacuum issue to me but i am pretty much a shade forest mechanic so i thought i would check in with the experts. The key to diagnosing this problem is the lack of airflow. That just made me remember, my wife's aunt & uncle's Montana 5th wheel has a "quick cool" mode on the roof A/C. Not sure if this is a control module issue or a problem with the flap which determines where the air will flow. I have a Unicell 90 gas furnace. Instead I pulled out the filter from my air handler (which like yours is also in the attic) and covered it with plastic sheeting. In addition on one of the air vents air barely comes out at speed 4 but its does on the other ones. I've also had some come out of wall outlets. What is happening is the air is so humid that the condensation is building up and then is getting blown through the vents. I have a 2002 Dodge Dakota - 3. Reduced intake of air here can weaken the air coming out of your supply vents. Turning on the fan (either A/C or heat) gives out a blast of foul air for the first minute or so, then the smell goes away. Yup, I've got the same problem foam coming out of the vents and air coming out of the top vents blowing at the windscreen, even though those vents were not selected. I've noticed a lot more condensation dripping from the car since this started. The bottoms could be cut out. the air in my air vents is not coming out of my car. Theyre connected and the linkage is moving when I turn the knob to direct the air to different locations. Cabin air filters are devices that clean the air that gets into a car’s cabin. - condensor appears to be working, as cool air continues to come out of vents if vent is open and car is moving - Motor will come back on occasionally, and it coming back on seems to be tied to getting the vehicle up to a certain speed (50-60mph), or RPM (not sure?). smoke or vaporous coming out defroster. Similarly, when there's nothing wrong with your vents and ductwork, air easily passes through and therefore there's very little noise. With the trim off you can pull out the air vents, which also exposes the in-dash cd player if you want to replace it with an aftermarket one. this wouldnt be carbon monoxide by any chance would it ?. The air conditioning system in your car is designed to cool down the air in the cabin of your vehicle to keep you comfortable on a hot day. My last car (2000 Intrepid) had vents in the top of the door that were supposed to clear fog off the side windows. The heater core is basically a radiator, where the hot engine coolant runs through to heat the interior of the car. radiator and reservoir are at full. The little open/close switch under the ignition switch --- can't really tell what the heck it's doing, if anything. I set my heat control to high, the fan to high, in the morning I start my car from the house with the remote starter, after 15 minutes I go in my car and sometime the air coming from the heather is cold, if I turn the heat control to cold and then back to hot then hot air come out, my garage change the motor and adjust everthing and it happen. So I thought this is a good time to fix that vent that has no air coming from it. Anyways, after it started snowing and getting really cold in Toronto and for some reason, all of a sudden, my air vents barely blow any air out. The refrigerant is full. Why You've Got Little to No Airflow From One Air Vent January 21, 2015 So, you turned on your heating/cooling system, and you noticed something strange: one of your rooms isn't heating/cooling properly. Smoke Coming Out Of Car. Lots of things can cause your blower to have trouble, especially if it gets too dirty.