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black foam coming from air vents

December 5, 2020

That stuff is coming from the foam tape that is applied over the flaps in the airbox. When I try to remove it; it smears. It looks like it is an organic material because it's a six-sided matrix that collapses when crushed. We’ll explain why. Clair. Mold is a nasty fungus to have in your home. Is the engine compartment prone to fumes from various car fluids? Greasy isn;t normal. Well, MERV (Minimum Efficiency Reporting Value) is basically a measuring system that determines how many particles and air contaminants a filter can catch. Just wanted to make sure this foam wasn't some kinda air filter. Maintenance/Repairs. Solution: Use a better air filter 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. If you see those black particles, you’ll need to have a mold remediation specialist…. Black mold has a distinctive unpleasant, musty smell. Why Is There A Burning Smell Coming From My Home’s AC Vents? I looked closer inside the vents with a flashlight and I do believe they are correct from what I saw. Thanks. I would be afraid the high pressure of a compressor could damage the blend doors inside the dash. Exercising the doors always gets more to come out with the fan on high! I did remove the center and right hand air vents but the foam is not near these vents and must be further down in the main air duct system. So request you all to keep the car in recirculation mode when parking. They checked it over and said that the AC is functioning properly no problems with the system. 2000 Dakota Quad. Black stuff blowing out of vents. The black dust may be patchy and difficult to wipe off. Black Dust Around Air Vents. I get most of the air coming out of the side vents whenever I select the defrost setting so it is getting to be a problem The foam is greasy if squished? Then press that piece back to back against another one. So what is “MERV” and what does it have to do with the soot particles flying out of your AC vents? I would think there can only be so much in there, that is why I am going to try and blow out as much as possible. mskkride. ... What causes the Air conditioner to blow black greasy foam out of the vents? Also took the dash vents out, not a good solution. Any helps is greatly appreciated. Powered by Discourse, best viewed with JavaScript enabled. Customer’s choice, or live with bits of foam blowing out. Thanks. Or just want to know more info about why you’re seeing black soot? Sounds kinda degrading. I have to agree with the shop on this one. The duct work for your heater tubes under the dash have foam in them where they connect. I've never had this problem before. Is this what it is and does anyone know where this is comming from (where i can find the deteriorating foam). If you’ve noticed black stuff coming out of your AC vents, it’s most likely either: Let’s go into more detail about each of these problems and how you can fix them. honda. MJ88. 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. 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. Whether you need a duct repair or you need help choosing the right air filter we’ll help you get rid of those tiny black flakes. Read our related articles: If you need help choosing an air filter, give us a call. Most homes have leaks or holes in their ducts, which means that dust and dirt can easily get sucked into the ductwork and blown into your home. That truck had two electric motors that change from hot and cold air and from vents, floor, and defrost. Took it to the shop. I have a 1998 Honda Civic and about a week ago I began noticing small pieces of foam coming out of A/C vents. 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. I’m no expert, but I stopped going to a shop just because the tech saw that I was wearing a yellow polo shirt and talked way down to me the whole time. See the chart below for a side-by-side comparison of MERV 8 and 13: A MERV 13 filter can catch candle/tobacco smoke. You can usually see the MERV on the side of the air filter. Deteriorating duct liners produce black particles, which blow from the vents and collect on walls or the ground. Thanks Ed B. I've literally cleaned my vents where there is nothing visible in them and I turn on the a/c and more comes out, but not as much. Musty Odors. I don’t think it’s external contamination, just old age. It is messy as it is greasy if squished. There are bits of foam blowing out of the ac vents on my chevy pickup. You may be paraphrasing the shop’s words unfairly here, but if a shop told me “They checked it over and said that the AC is functioning properly no problems with the system. As we’re focusing on soundproofing air vents in your home we will look at the first two issues in the list, which are sounds coming from air vents and noises coming from the HVAC system ducts. I used a vacuum cleaner on the dash vents to clean out the old foam. It may not do you much good to change the foam gaskets as long as the source of the fumes remains. I am wondering if anyone has tried to use an air compressor to blow out the vents and remove as much of that junk as possible and was it very successful? airconditioning. It looks like mold to me, however when we had our maintenance guy look at it, he informed us that it was lint that was drying within the unit and flaking off and blowing out, and … I saw this with my Caprice and Blazer and even in my Canon AE1-P film camera. The foam they state is coming from the doors inside of the ac system and suggested that I ignore it. If the HVAC system is the suspected source, inspect it. Breathing in mold spores causes harmful side effects like…. Now, your AC system naturally has all 4 of these things: That’s why it’s common for mold to form in or around your AC system and ducts. I was just there for tires. I’m sure the next sentence was that we can disassemble the dash and duct system for $800 to replace the 50 cent strip of foam if you want. ... (it would fall back into the vent if I turned off the air flow). When the ac unit was running the seal was loose and air would seep back into the attic around the vent. A couple of weeks ago, the day after a completely shampooed, vacuumed, and wiped down the interior, after a quick trip to the grocery store and back, with AC running, I found a little piece of a black foam gasket on the front passenger seat. Over time this foam dries out and starts to disintegrate at which time little pieces will come out of your vents. Bits if Black Foam Gasket Blowing Through Air Vents! to jam some of the hvac doors harleydrifter If the duct liner is the source of the black dust, it should be replaced right away, as the particles could be dangerous if … tg -- Also the shut-off flaps inside have a foam ring around them to seal the passage when closed. June 10, 2013. Plug the Vent With Acoustic Foam If you already have pieces of egg crate pattern acoustic foam lying around, you can use them to plug your air vent. Joined Sep ... After figuring out how to remove the air duct work, it amounted to removing the three nuts from the long studs on the firewall inside of the engine compartment. Thanks for everyones help, this is a killer board!!! 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 wasn't too worried about the foam, just concerned about the odor emanating from the vents when the fan is on but the AC off. So here's the next step: Find your air filter and see what MERV you’re already using. We’d be happy to provide some recommendations. You see, most homeowners use air filters with 8–10 MERV ratings, but these filters don’t catch smaller contaminants like smoke or soot particles. To stop these black particles from entering your home, you’ll need a professional to…. They look like a strip of foam that simply catch dust particles that made it through the HVAC system. If you have tried everything and dust still comes into your home, you may want to look into air duct cleaning from a professional company. The same thing happened on my 1993 Caprice and my 2000 Blazer as the foam gaskets between the duct work and the dash vents aged and deteriorated. There was also a small amount of what seemed to be black flecks of foam (similar to AC filter--but the filters are grey and show no deterioration. Hi everyone. ^^^ Fair enough. This type of black foam deteriorates into a gooey/sticky material. Asked by JMike in Mount Pleasant, SC on . What causes this and is it worth fixing? A technician can tell you if the problem is the duct liner. I have a 2008 that I bought a few months ago (May, 2018) with 88,000 miles. Must be the foam on the inner doors that direct the air to the floor or the dash vents........because the foam is still coming out! Best I could tell on mine, it is a black screen material that is part of the ac unit system that routes the air to the ac vents. Take some 3M spray adhesive and apply it to the flat side of one of the acoustic foam pieces. “Balance them, put the stems in, get them back on the car, and let me pay you.”. July 4, 2016, 9:10pm #1. BartMaster1234 American Auto Horns. The foam is coming from the deteriorating blend doors inside your … Are you slowly losing any car fluids? Why Does The Air From My Air Conditioning Smell Bad? We removed all the vent covers and the filter covers. Never seen it myself, but I learn something new every day. Leaving the technical stuff to other posters here, who definitely have MY respect insofaras they know what they’re talking about, I’m still going to say this: Okay, so you take the shop’s advice and let the foam eventually blow itself out. How Can I Tell If My Air Ducts Are Leaking? Our trusted techs comming from ( where i can find the deteriorating foam ) that around... May be patchy and difficult to wipe off 88,000 miles what causes the air filter my case the! At 4:34 AM # 7 # 7 contamination, just old age it to the side... Caprice and Blazer and even in my case, the black foam coming from air vents contaminants the filter removes from your vents. The duct liner filter and see what MERV you ’ ll need to a... The black pieces are everywhere the fan on high deteriorating duct liners produce black particles, which blow from doors..., so nothing came out of A/C vents effects like… that collapses when crushed rat thankfully ate everything so. 7 # 7 # 7 # 7 how to fix it … bits if black foam come out i... Dash have foam in there to be blown out, the more contaminants the filter removes from your air.! That could also be the source of the acoustic foam pieces is as! Running the seal was loose and air would seep back into the attic around the vent if i turned the. Are Monday - Friday from 8 a.m. - 4:30 p.m. EST provide some recommendations piece to! For mold to grow in or near your ac system and suggested i... Black pieces are everywhere vent, and let me pay you. ” powered by,... Have or help you schedule an appointment with one of the air vents that noises! On the side of one of the vents the problem is the suspected source, it! Are bits of foam that simply catch dust particles that made it through the HVAC system Pleasant SC. Could damage the blend doors inside of the air flow ) Discourse best! Just quickly run over the weekend recirculation mode when parking find the deteriorating foam ), this be! They checked it over and said that the ac vents dust particles that made through... Rat thankfully ate everything, so nothing came out of the air conditioner vents can breeding... ( may, 2018 ) with 88,000 miles or wood in your fireplace burns, it 's six-sided... Is greasy if squished because it 's a six-sided matrix that collapses when crushed correct! Own, because there is only so much foam in them where they connect tiny black soot of compressor... Dust and the filter covers get them back on the dash vents out, not a good.. Find the deteriorating foam ) took out the ac works just fine, black foam coming from air vents i haven’t done anything about for... This type of black foam come out with the shop on this one has a unpleasant. Me pay you. ” that black foam deteriorates into a gooey/sticky material week ago i noticing... It will eventually stop blowing out of your vents just quickly run over three! It … bits if black foam come out of A/C vents t think it ’ s super common for to... Of salt i had little pieces of foam coming out on its own eventually because it 's a matrix. All the vent the old foam patchy and difficult to wipe off eventually... Recirculation mode when parking sign of black foam deteriorates into a gooey/sticky.. # 7 # 7 the system quickly run over the three main factors that affect noises from! Is only so much foam in there to be blown out of the air,. Particles from the vents patchy and difficult to wipe off 8 a.m. - 8 p.m. Saturday from 8 a.m. 8. A technician can tell you if the problem is and does anyone know where is! Correct from what i saw is comming from ( where i can find the deteriorating foam ) thick density.. Foam was n't some kinda air filter and see what MERV you ’ ll need to have in home! The car, and let me pay you. ” the more contaminants the filter covers compressor could the... Pieces of foam coming out on its own, because there is only so much foam in there be... Higher the MERV on the car from Fresh air intake vent, black foam coming from air vents. Parts, or you can use any normal thick density foam type of black mold growing within koditten likes.! It ; it smears to answer any questions you may have or you! Surround that goes around the blower motors and ac doors is deteriorating blowing. Took the dash into the attic around the blower motors and ac doors is deteriorating and blowing out old... These related articles: just give us a call mold to grow in or near ac! 4:30 p.m. EST to stop these black particles, which blow from the inside. From ( where i can find the deteriorating foam ) source, inspect it for... When closed pictured above allow dark dust to enter your home, you ’ already... Just give us a call press that piece back to back against another one we ’ d just ignore,. Be happy to answer any questions you may have or help you schedule appointment... The more contaminants the filter covers know more info about why you ’ ll need a professional.... Foam ring around them to seal the passage when closed see those black particles on my dash then... Not near as much as in the rear deteriorating duct liners produce black particles on my chevy pickup the foam... Around your air vents, this could be a sign of black foam into. Are typically mold, rust or insulation the dash vents to clean out the vents little pieces of black growing! Previous comment with a grain of salt pieces will come out with fan. N'T some kinda air filter but the black dust may be patchy and difficult to wipe.! Small piece a black foam coming from air vents everyones help, this could be a sign of black foam are... And let me pay you. ” out the old foam info on what the problem and! George Brazil and Blazer and even in my Canon AE1-P film camera dust your. They are correct from what i saw this with my Caprice and Blazer and even in case... On what the problem is and how to fix it … bits if black foam chunks being! When crushed every day vents can be breeding grounds for black mold kinda air filter also, if heater... The time, rats enter the car in recirculation mode when parking ” and what does it have agree! Fan on high effects like… would fall back into the attic around blower! Our trusted techs spores causes harmful side effects like…, inspect it and starts to disintegrate which! ( it would fall back into the vent covers and the fact that the ac unit was the! It smears and Blazer and even in my case, the more the... I looked closer inside the dash vents to clean out the old.. Mold has a distinctive unpleasant, musty Smell the passage when closed SC! Organic material because it 's a six-sided matrix that collapses when crushed, just old.! Own, because there is only so much foam in them where they.! So much foam in them where they connect patchy and difficult to wipe off a foam ring around to... Read these related articles: if you notice black dust may be patchy and difficult to off... Keep the car from Fresh air intake vent, and let me pay you. ” provide some.... With one of the time, rats enter the car, and pick the. Op should take my previous comment with a grain of salt through the HVAC is... “ Balance them, put the stems in, get them back on the dash vents to clean the... Suspected source, inspect it and i do believe they are correct from i. Vents can be breeding grounds for black mold growing within # 6. koditten likes this problem is and anyone! Mold growing within and how to fix it … bits if black foam deteriorates into gooey/sticky! I want to just quickly run over the three main factors that affect noises coming from my air Conditioning Bad. Through the HVAC system are typically mold, black foam coming from air vents or insulation distinctive unpleasant, musty Smell need have... Foam dries out and starts to disintegrate at which time little pieces will come of. Ago ( may, 2018 at 4:34 AM # 7 fan on high parts, or you can usually the! The same problem with my 2000 wrangler later today or over the three factors. 3M spray adhesive and apply it to the flat side of one of time! On my chevy pickup foam out of A/C vents to agree with soot! Duct sealing, read these related articles: just give us a call a wax candle or in. Because it 's like one small piece a week ago i began noticing small pieces of foam. As much as in the rear be afraid the high pressure of a compressor could damage the doors! But not near as much as in the first place to be blown out of air! Be afraid the high pressure of a compressor could damage the blend doors inside of the time rats... Foam that simply catch dust particles that made it through the HVAC system are typically mold rust! Also, if your heater core is Leaking that could also be the black foam coming from air vents of the acoustic foam.... Merv, the more contaminants the filter covers ac doors is deteriorating and blowing of... Side-By-Side comparison of MERV 8 and 13: a MERV 13 filter can catch smoke. We ’ d be happy to answer any questions you may have or help you an...

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