Looks like the foam surround that goes around the blower motors and AC doors is deteriorating and blowing out the vents. In my case, the rat thankfully ate everything, so nothing came out of the air vents. Asked by JMike in Mount Pleasant, SC on . Bits if Black Foam Gasket Blowing Through Air Vents! For more information about duct cleaning and duct sealing, read these related articles: Just give us a call. 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. Mold is a nasty fungus to have in your home. 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. I found that the AC ducting is composed of Styrofoam. 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. Black stuff blowing out of vents. And as air circulates through your system, it will pick up the mold spores in your ductwork and push them into your home through the air vents (which explains the black flakes around your vents). Unfortunately, it’s super common for mold to grow in or near your AC system and ductwork. No foam on that door anymore. Exercising the doors always gets more to come out with the fan on high! DustStorm4x4, Jul 27, 2018 #6. koditten likes this. The foam is coming from the deteriorating blend doors inside your … Any helps is greatly appreciated. Leaky air ducts like the one pictured above allow dark dust to enter your home. That truck had two electric motors that change from hot and cold air and from vents, floor, and defrost. If you notice black dust around your air vents, this could be a sign of black mold growing within. Never seen it myself, but I learn something new every day. We’d be happy to provide some recommendations. The foam … is coming from the doors inside of the ac system and suggested that I ignore it,” (and just like that), I wouldn’t care much for their attitude. If you see those black particles, you’ll need to have a mold remediation specialist…. 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. Well, it's like one small piece a week. Thanks Ed B. They are called Register Vent Filters. These pads are available as spare parts, or you can use any normal thick density foam. How Can I Tell If My Air Ducts Are Leaking? mskkride. Cold air cannot hold as much moisture as warm air, so when warm, humid air comes in contact with something cold, it reaches dew point and makes condensation, or water. Why Is There A Burning Smell Coming From My Home’s AC Vents? It may not do you much good to change the foam gaskets as long as the source of the fumes remains. I’d just ignore it, and pick up the little chunks when they blow out. I never really located where the screen material was without taking the ac unit apart. 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. Condensation forms in the coils and ducts as cool air circulates through the system, creating a … Deteriorating duct liners produce black particles, which blow from the vents and collect on walls or the ground. If you’ve been living in an air conditioned home for a few years there’s a chance that you’ve noticed streaks of dirt around the supply vents in the ceiling. 2002 Cadillac Seville. Musty Odors. Just to reiterate, I very well may have read too much into that statement, or maybe the shop’s words were being paraphrased into a different context. The ac works just fine, but the black pieces are everywhere. So, OP should take my previous comment with a grain of salt. Thanks. 2000 Dakota Quad. Took it to the shop. There are bits of foam blowing out of the ac vents on my chevy pickup. Greasy isn;t normal. 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 Is the engine compartment prone to fumes from various car fluids? When I try to remove it; it smears. Also took the dash vents out, not a good solution. I have a 1998 Honda Civic and about a week ago I began noticing small pieces of foam coming out of A/C vents. 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. Not sure where your AC filter is located? Thanks for everyones help, this is a killer board!!! 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. I looked closer inside the vents with a flashlight and I do believe they are correct from what I saw. I have to agree with the shop on this one. one is located on top or on the side (facing the seats, behind the center dash piece) of the air box in the dash, and the second is on the left side of the air … I saw this with my Caprice and Blazer and even in my Canon AE1-P film camera. If the HVAC system is the suspected source, inspect it. Black mold has a distinctive unpleasant, musty smell. George Brazil Air Conditioning and Heating provides the Phoenix area with, see the MERV on the side of the air filter, Most homes have leaks or holes in their ducts, 3 Sure-Fire Signs You Should Have Your Air Ducts Cleaned. Register Vent Filters. I never really noticed that much coming out in the first place to be honest. 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. Sounds kinda degrading. Air conditioner vents can be breeding grounds for black mold. 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. 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 … I drive alot so in a couple of months I have about 90,000 and as of yesterday, my vents are spitting out the dark grey/black foam while I'm hearing a flapping/ticking noise that there is more coming my way. You can usually see the MERV on the side of the air filter. Breathing in mold spores causes harmful side effects like…. Are you slowly losing any car fluids? Oh well. It is messy as it is greasy if squished. Perhaps someone will have an idea. When the ac unit was running the seal was loose and air would seep back into the attic around the vent. How old is this pickup? Black particles from the HVAC system are typically mold, rust or insulation. 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. Jul 27, 2018 at 4:34 AM #7 #7. ... (it would fall back into the vent if I turned off the air flow). Re: Black fluffy/foam like material, coming out of A/C vent... what your looking at is the remains of an old evoporator filter for the a/c it wont hurt but poss. See the chart below for a side-by-side comparison of MERV 8 and 13: A MERV 13 filter can catch candle/tobacco smoke. honda. 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. BartMaster1234 American Auto Horns. ... What causes the Air conditioner to blow black greasy foam out of the vents? I don’t think it’s external contamination, just old age. I used a vacuum cleaner on the dash vents to clean out the old foam. I would be afraid the high pressure of a compressor could … The A/C works fine except that it now blows black greasy foam out of the vents everytime it is in use. 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. 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. 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. airconditioning. We’d be happy to answer any questions you may have or help you schedule an appointment with one of our trusted techs. They look like a strip of foam that simply catch dust particles that made it through the HVAC system. Customer’s choice, or live with bits of foam blowing out. This type of black foam deteriorates into a gooey/sticky material. They checked it over and said that the AC is functioning properly no problems with the system. 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? i recently moved into an apartment complex and every time we turn on the air conditioner, it spits out litte black particles. 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. I took out the ac vents and used a shop vac to pull most of the material out. pmagrone (PAUL J. MAGRONE) April 23, 2019, 5:40pm #5 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. That is our idea and we plan on trying it later today or over the weekend. I purchase two a/c units from Sears and the same black confetti looking particles are coming out of my vents and on to my nice furniture. So if you’re seeing black particles coming out of your air conditioner vents and you’re a fan of burning candles or your fireplace, the most likely culprit is soot. civic. Peter _____ Any info on what the problem is and how to fix it … Read our related articles: If you need help choosing an air filter, give us a call. Just wanted to make sure this foam wasn't some kinda air filter. Did the stuff eventually stop blowing out of your vents? I used a vacuum cleaner on the dash vents to clean out the old foam. Our chat service hours are Monday - Friday from 8 a.m. - 8 p.m. Saturday from 8 a.m. - 4:30 p.m. EST. Noticed black particles on my dash, then saw that black foam chunks are being blown out of the air vents. 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. Well, MERV (Minimum Efficiency Reporting Value) is basically a measuring system that determines how many particles and air contaminants a filter can catch. That stuff is coming from the foam tape that is applied over the flaps in the airbox. It will eventually stop coming out on its own, because there is only so much foam in there to be blown out. The Real Reason for Dirt Streaking Around Vents Posted on AC Maintenance, AC Tips, The Cooler Blog January 28, 2015. I had the same problem with my 2000 wrangler. Your home’s ductwork is located in unconditioned spaces like attics and behind walls, where all kinds of dust and dirty insulation abounds. If not, did that junk ever cease to blow out on its own eventually? ^^^ Fair enough. I think most of it was caused by dust and the fact that the people smoked. The black dust may be patchy and difficult to wipe off. And since your AC system is constantly sucking in air from your home, cooling it, then blowing it back into your home, some of that soot inevitably gets pulled into your ductwork and pushed back out of your air vents. Over time this foam dries out and starts to disintegrate at which time little pieces will come out of your vents. The foam they state is coming from the doors inside of the ac system and suggested that I ignore it. 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. The alternative is to have the foam replaced, which is costly because they have to disassemble a bunch of stuff to get to it. Foam coming out A/C vents. Thank you for your inquiry. Clair. So here's the next step: Find your air filter and see what MERV you’re already using. “Balance them, put the stems in, get them back on the car, and let me pay you.”. We’ll explain why. Thanks. Take some 3M spray adhesive and apply it to the flat side of one of the acoustic foam pieces. It looks like it is an organic material because it's a six-sided matrix that collapses when crushed. 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. What causes this and is it worth fixing? Black Dust Around Air Vents. Over time [15 years] the foam was falling apart and would crumble when you touch it. So request you all to keep the car in recirculation mode when parking. Then press that piece back to back against another one. I had little pieces of black foam come out but I haven’t done anything about it for years. So if you’re seeing black particles coming out of your air conditioner vents and you’re a fan of burning candles or your fireplace, the most likely culprit is soot. To stop these black particles from entering your home, you’ll need a professional to…. 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 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. Also, if your heater core is leaking that could also be the source of your greasiness and deterioration. June 10, 2013. July 4, 2016, 9:10pm #1. The duct work for your heater tubes under the dash have foam in them where they connect. I would be afraid the high pressure of a compressor could damage the blend doors inside the dash. I've never had this problem before. Most of the time, rats enter the car from Fresh Air intake vent, and end up chewing these foams. Or just want to know more info about why you’re seeing black soot? Might be a little rough on the shop. tg -- 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! Soot from candles or your fireplace (the most likely culprit), Warm temperatures (because it’s located in an unconditioned space like your attic), Confirm that the black particles are actually mold spores through a lab test, Clean out your ductwork if it’s confirmed that you have mold growing inside, Seal your duct leaks using a mastic sealant or metal tape, Replace any ducts that are beyond repair (if the holes or leaks are too severe). So what is “MERV” and what does it have to do with the soot particles flying out of your AC vents? 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. The higher the MERV, the more contaminants the filter removes from your home. Before we jump in I want to just quickly run over the three main factors that affect noises coming from your air vents. 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 … During one investigation, we determined that the source of black particles was earpiece foam from the occupant’s old headphones even though the occupant was convinced that the air system was dirty. MJ88. Is this what it is and does anyone know where this is comming from (where i can find the deteriorating foam). 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. 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 was just there for tires. Registered. 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. I have a 2008 that I bought a few months ago (May, 2018) with 88,000 miles. The foam is greasy if squished? Maybe the shop has some really good people there, and maybe I’m reading too much into that statement, but I may be wary of that shop in the future. Give us a call or schedule online and we’ll quickly send over one of our trusted techs to fix whatever is causing the problem. Up front, there was some but not near as much as in the rear. A technician can tell you if the problem is the duct liner. Maintenance/Repairs. If they’re condescending to you about a foam coming from the air vents, what will they try to do if you should need something like a head gasket? Need an air conditioning repair right away? We removed all the vent covers and the filter covers. 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. Hi everyone. 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. Powered by Discourse, best viewed with JavaScript enabled. What is Cleaned in a Duct Cleaning by George Brazil? Mold spores look black and dark like this. Why Does The Air From My Air Conditioning Smell Bad? Also the shut-off flaps inside have a foam ring around them to seal the passage when closed. When a wax candle or wood in your fireplace burns, it produces tiny black soot particles. But if the engine is putting out fumes that are being pulled in through the cowling, they might be causing deterioration of the foam edging on the blend doors. If you’re not already using a MERV of at least 13, upgrade your filter to see if this gets rid of those pesky soot particles.

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