On the way home it was snowing from the vents, mice had got in at rear of RV went to the roof made nests in the ceiling. Boondocked in a field for an air show, 3 days. When the fan blows after the unit is turned on for the first time in years, parts of the rotted air filter blow out of the cooling vents. Why would colder or cool air be blowing out of the vents in one room? Any ideas where the foam may be coming from? I've had the black flakes that smear blowing out of the vents for probably all but the first year I used it, including this year. Do I need to change the cabin filter or something similar? The house is not cooling down. For air coming out of the vents to impact the ceiling directly would require the air exiting the register to take an immediate turn, and air simply doesn’t do that. As the vehicle ages, the foam strips’ glue will dry out and they will start to fall off and blow out small pieces out the vents. The foam they state is coming from the doors inside of the ac system and suggested that I ignore it. I had some nasty yellow foam crap in the heater/blower at one point. WHY IS FOAM BLOWING OUT A/C VENTS - 1971 beetle type 1, just had the 1600cc engine rebuilt, picked it up yesterday was driving today and a spark plug shot out of its mount stripping the threads on the engine. You don't have to mess with the a/c system. These bits of foam break apart as soon as I touch them. Chevrolet - 1500 :: Foam Blowing Out Of AC Vents. You can take it apart and replace the seals.   You cannot paste images directly. This constantly filters the air in your home while cooling or heating it. When the sponge material gets old and begins to dry out, some of it may separate and get blown out of the vents. Thanks in advance We have a forced heating system and all of the rooms but one have warm air blowing out of the vents. Jump to Latest Follow 1 - 12 of 12 Posts. I personally replaced my whole air box assembly. Powered by Invision Community. vents have been blowing foam, could this allow enough cold air … I have pieces of disintegrating dark gray foam insulation blowing from my dash air vents. Black stuff blowing out of vents. But I have fixed the blend door problem on all 3 without full disassembly of the interior. https://youtu.be/fMHvgBxDwm0 3. The air duct returns will blow air into your home and the intakes will suck the air out of your home. ). It sounds like what I have read in rennit that the heater core has a galvanized meal with large holes, and the foam is disintegrating. It's that opening under the plastic on the cowl between the hood and windshield on the passenger side. When I turn on my defroster pieces of black foam insulation blow out plus a lot of smaller particles, it also blows …   Your link has been automatically embedded. Search "heater core replacement" in the MKIV section. Wednesday at 11:56 AM in mkiv Technical, Hi, I've had some brown foam being blown out of my windscreen air vents. 8, 9 The blowing phase continues until the surface of the foam becomes dry and, finally, it stops when the foam attains its maximum volume. foam blowing out of air vents! And, if I move the speed switch to 3 or 4, it is really messy. Once your heater core dies, you can pull the dash and while replacing the core, you can re-cover the blend doors. The other vent is blowing out hot air. × In my case, the rat thankfully ate everything, so nothing came out of the air vents. For everyone that has this problem I have the fix! '01 986. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. My thermostat is right near that cold vent. on Sep 3, 2013. Annoying foam flakes, that use to come out of the air vents when the AC was on. I headed up on the roof for a look see. Could this be insulation? For a better experience, please enable JavaScript in your browser before proceeding. A few months back I went to turn on the trailers AC unit, and it made a funny sound. Here is a picture of stuff blowing out of intake vent. The foam they state is coming from the doors inside of the ac system and suggested that I ignore it. FYI: In the light the filter looks filthy but it's a metallic mesh that doesn't reflect light well. 2003; 911 Targa; Heating and Ventilation. Can you give me some advice on why this is happening? The air coming out of HVAC vents is typically angled in a downward direction. JavaScript is disabled. The most of them come out in the rear AC vents, but some come out up front, and to a lesser degree the vents in the center of the motorhome. How to test Pressure Switch! Hope you are right about not having rodents. The foam they state is coming from the doors inside of the ac system and suggested that I ignore it. I'm a renter and Bryant error code 33! Looks good, no evidence of critters and the material of the cabin filter doesn't look like the foam strips coming out of the vents. After +/- 20 years, that foam deteriorates and delaminates from the adhesive tape, eventually getting pulled into the ductwork via vacuum and ultimately out of the dash vents onto your seats and center console. Henrico, I have many small pieces of thin grey foam blowing out of the air vents when the fan speed is high. Reply. Solution: Use a better air filter. It started to disintegrate and blow out the vents I took out my glovebox (4 screws and 1 10mm in corner) blew it out with compressed air and tried not to get nasty 15 year old foam in my eyes.   Pasted as rich text. mskkride. If you want similar results to the ones you’d get with … They used foam tape during factory assembly to seal the joints on the ductwork. A couple of years ago, while traveling on Route 66 in humid Missouri, chunks of foam started blowing out of our dash vents, filling the cab with sticky bits of disintegrating material - quite a mess. We recently had it in for service on the generator. By Virginia. why did this happen? It's not as dirty as it looks. I have a '91 Corrado G60 with about 215K miles on it. engine temp checks out, flushed radiator, still no improvment. Where is this coming from and whats the sure. engine temp checks out, flushed radiator, still no improvment. That's where the air system draws in air Little bits of black foam flying at me when driving is becoming a huge pain in the ass!! 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. Took it to the shop. 1. I have small pieces of black foam blowing through my air vents, Any idea where it's all coming from or how I can clear it all out. Also, ceiling registers are not usually flat against a ceiling, but are protruding downwards a little bit. ). The foam covering these doors rots off and the doors have huge holes in them and when the foam is gone they don't work. Its the foam insulation that surrounds the recirculation flap (which is located in the housing underneath your cabin filter in the rain tray). What causes this and is it worth fixing? After removing the plastic cover, I had Anne turn on the AC … recently, when i turn on heat, foam is blowing out of the vents. My 95 Camry has done this some in the past. You can help to clear it by closing all vents but one, running the fan at full blast and using a strong vacuum cleaner to suck it out of the vent. 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. It will spew foam for a few months. Took it to the shop. Just recently, it started blowing out bits of disintegrated black foam from the air vents...especially when I move the lever to make the heater operate the upper 4 face vents. 98 new beetle, heater is blowing very low heat. They checked it over and said that the AC is functioning properly no problems with the system. ... or it's going to crawl back inside the car. It hasn't helped at all. Thanks in advance. A couple weeks ago I sprayed it with Frost King a/c coil foaming cleaner. When the sponge material gets old and begins to dry out, some of it may separate and get blown out of the vents. Forced air blowing cold air out of one vent, warm out of others [ 1 Answers ]. In the expansion (blowing) stage, the speed of foam expansion can be increased by adding a liquid blowing agent, 7 which does not participate in the reactions, but, due to its low boiling point, undergoes a phase transition to gas. 92 400E is shooting out tiny pieces of deteriorating foam foam from the A/C and defrost vents when you turn AC or heater or defrost on. V ... Today, I had more foam shards come out, albeit much smaller ones this time around, but the key word this time around is "shards" with an s, as opposed to having had one larger piece come out. Just behind the vents, the ductwork joins in with the vents. We bought our 03 Odyssey June last year. So request you all to keep the car in recirculation mode when parking. There are some threads about what people have done to replace them. The filter is in good shape. There are bits of foam blowing out of the ac vents on my chevy pickup. They look like a strip of foam that simply catch … Also the shut-off flaps inside have a foam ring around them to seal the passage when closed. Looks like the foam surround that goes around the blower motors and AC doors is deteriorating and blowing out the vents. Chunks of black insulation blows out the air vents. Had several in traps before they where gone. From there they went in and out using my basement air units. Brown foam blown out of windscreen air vent, Copyright © 2004 - 2021, The mkiv Supra Owners Club (mkivsupra.net). 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. i do not drive the car much now except a little on weekends. It isn't fun, but it isn't super hard either. Aja8888 had the easier out of the two styles to do. A couple of weeks after our purchase we notice small chunks of foam would fly out of the two center air vents. Clear editor. There is also a strange smell from the vent. Hello friends.. 92 400E is shooting out tiny pieces of deteriorating foam foam from the A/C and defrost vents when you turn AC or heater or defrost on. It sounds like what I have read in rennit that the heater core has a galvanized meal with large holes, and the foam … Hi, Ive had some brown foam being blown out of my windscreen air vents. Foam particles coming from air vents. Display as a link instead, × They checked it over and said that the AC is functioning properly no problems with the system. The car had 45,000 miles and was certified and we bought the Honda extended warranty. Any helps is greatly appreciated. I took it to my mechanic and he said it was probably the insulation foam the factory puts between the vent pieces in the air duct system but that he would have to take the whole duct system apart to see if that's it. When the air is turned on, foam comes shooting out of the vents. When I did my sons heater core with a single box, I left all the ac lines connected but loosened anything that was connected to the box. ... (it would fall back into the vent if I turned off the air flow). Any ideas where the foam may be coming from? 10-21-2012, 03:10 PM #2: shadrach74. Note: Your post will require moderator approval before it will be visible. Thank you for your inquiry. WHY IS FOAM BLOWING OUT A/C VENTS - 1971 beetle type 1, just had the 1600cc engine rebuilt, picked it up yesterday was driving today and a spark plug shot out of its mount stripping the threads on the engine. × It isn't that much more than the cost of a evaporator. Cleaning the A/C Vent System Replace your car’s cabin air filter. The most of them come out in the rear AC vents, but some come out up front, and to a lesser degree the vents in the center of the motorhome. Hi, Have a 98 Ram 1500 4x4 5.2L. Black stuff blowing out of vents. Henrico, I have many small pieces of thin grey foam blowing out of the air vents when the fan speed is high. I figure it is foam from the air ducts but was curious if anyone had tried to get into the air duct and remove what was left of the foam to keep it from blowing it out all over the place? Woodbridge Environmental Tiptophouse.com. Asked by JMike in … Is this bad to breath in? 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. The foam that forms the air deflection gates on the air controller deteriorates and begins to disintegrate. Our chat service hours are Monday - Friday from 8 a.m. - 8 p.m. Saturday from 8 a.m. - 4:30 p.m. EST. 2. Helpful. 2002 Cadillac Seville. Not only will this dirty the room, it allows impurities to flow freely through the AC's components, opening the unit up to clogged components and eventual repairs. I also re-foamed the internal flaps of the air box, to make the flap seal the passages as they suppose to. Vents blowing foam parts no heat: Randall: TDI 101: 2: December 23rd, 2012 08:45: Insulation blowing out of vents: jettajim: VW MKIV-A4 TDIs (VE and PD) 25: June 17th, 2012 06:49: Bits if Black Foam Gasket Blowing Through Air Vents! Eventually it will stop since there is only so much in there. i have documented the whole process, and prepared some DIY's I don't know if German built really matters - The wagon is German and had the 2-piece, and the sedans were Mexico and I believe both have also had the two-piece that looks like what Adjat84th posted just above. Otherwise check the intake. You can post now and register later. Probably the air sealant foam from around the heater matrix breaking down, wouldn't worry about it if the heater blows hot. The problem is the Blend doors! When they started up the AC after repairing the generator, there was quite a lot of Styrofoam balls on the bed and floor in the rear of the motorhome. The air ducts run under the house and the vent is on the floor. We have had a problem for the past several months with Styrofoam balls coming out of the AC vents when we turn it on. It seems cold air is now blowing out of the intake vent and hot air is blowing out of the vents. My issue is that no air is blowing from dash vents when "vent" is selected. I live in Florida and 6-8 minutes of warm air blowing out of the vents ... jetta vr6 w/ 95,000 miles. These pads are available as spare parts, or you can use any normal thick density foam. 98 new beetle, heater is blowing very low heat. Most newer cars have an easily … Blows COLD - 90 Second air test https://youtu.be/_2i1cTWGpfQ 4. Upload or insert images from URL. I figure it is foam from the air ducts but was curious if anyone had tried to get into the air duct and remove what was left of the foam to keep it from blowing it out all over the place? I searched for help on this, but it seems that they didn't have cabin filters on models before 2001(? Just behind the vents, the ductwork joins in with the vents. mskkride. Also heat comes out or you will have poor cooling. These joints are "sealed" with a sponge type material. I have a MKIV Jetta TDI and it has started to spew disintegrating foam from the air vents. Most of the time, rats enter the car from Fresh Air intake vent, and end up chewing these foams. Foam particles coming from air vents. By the time we realized this was not a … It looks like it is an organic material because it's a six-sided matrix that collapses when crushed. Over time this foam dries out and starts to disintegrate at … 10-20-2010 07:46 AM. Help!! Has anyone found an actual working solution for this problem? __________________. If you have an account, sign in now to post with your account. In my bathroom and bedroom air vents there is pink fluff coming out of them. The duct work for your heater tubes under the dash have foam in them where they connect. Restore formatting, × Its from the foam seals on the flaps inside of the vents and the heater flap. They are called Register Vent Filters. Air vents of my 3BG (model year 02) have been blowing out dust like darkish grey particles since months ago. I checked the cabin filter just now. We have placed cookies on your device to help make this website better. ... What causes the Air conditioner to blow black greasy foam out of the vents? The best way to prevent this black soot from circulating into your home is to upgrade to an air filter with a … I have a 99 boxster with foam debris coming out vents. It degrades over time and will either come shooting out through your vents or it will fall into the fan wheel in the same housing making a … I'm thinking that all NA destined cars were manufactured in Brazil: both my green Golfs were- I need to see is this applies to my blue Golf (newly acquired; haven't gotten caught up with all its background yet). There are bits of foam blowing out of the ac vents on my chevy pickup. There are two metal doors located deep inside your dash! Copyright © 2004 - 2021, The mkiv Supra Owners Club (mkivsupra.net) There are bits of foam blowing out of the ac vents on my chevy pickup. You must log in or register to reply here. I understand from local dealer that is aging insulation foam fallen off from interior lining of the ventilation ducting system (Climatronic system as it is named?   Your previous content has been restored. You might also be interested in our Guidelines, Privacy Policy and Terms of Use. Deteriorated foam parts blowing out of the vents and defrost! Fix heater door foam comes of of the heater door and comes out the vents. Quote: Where is this coming from and whats the sure. The air vent on my 1994 Camry LE blows out little pieces of foam. Took it to the shop. My heater is kicking on quite often. Fill the Opening With a Soundproofing Sealant. A couple of years ago, while traveling on Route 66 in humid Missouri, chunks of foam started blowing out of our dash vents, filling the cab with sticky bits of disintegrating material - quite a mess. Registered User . it worked for me, but seriously cover your eyes We own a 34 ft 07 Fleetwood Fiesta. I had remembered reading on the eurovanupdate list that this was from the “blender box” in the air conditioning system - the box that regulates the air flow from the heater, directs air to the defrost, floor, etc. why did this happen? My 95 Camry has done this some in the past. I have young children and don't want us getting cancer or something over it. I have a 2008 that I bought a few months ago (May, 2018) with 88,000 miles. Bomb the shit out of your car with some sort of air freshener and scent mask too, otherwise mice will continue to go in there because ... if foam (seems grey) material is blowing out the vents… hard to say but could maybe be deteriorating foam that's used to seal the air ducting tubes behind the dash. Common problem. The foam is coming from the deteriorating blend doors inside your heater box where your heater core lives. You're lucky Geordi, out of 8 or so cars, 3 have had leaking heater cores. Looks like the foam surround that goes around the blower motors and AC doors is deteriorating and blowing out the vents. 2 Answers driving the car and heard a loud 'pow' then engine started to run very poorly I pulled into parking lot and found that a spark plug had been blown out … This is premium Porsche engineering. Somewhere between Heaven and Hell. Where is it coming from and what should I do about Radioman, They checked it over and said that the AC is functioning properly no problems with the system. vents have been blowing foam, could this allow enough cold air in to not allow to heat pr … read more The A/C works fine except that it now blows black greasy foam out of the vents everytime it is in use. I turned on my car today and foam blew out the vents. These joints are "sealed" with a sponge type material. 2003; 911 Targa; Heating and Ventilation. Chevrolet - 1500 :: Foam Blowing Out Of AC Vents. The filter is in good shape. I had mice in my RV. Bits if Black Foam Gasket Blowing Through Air Vents! 2000 Jetta TDI 01-17-2013 07:31 PM #19 On my MK2, I used duct tape - REAL duct tape, the rigid metal tape to cover my blend doors. I have three vents in my dinning room, and two are blowing out cold air while the heater is running. But it is reall, http://forums.tdiclub.com/showthread.php?t=413341. If I use the defroster setting, or the floor setting, it's not as bad. It was muted compared to normal, and no air was blowing out the vents. Unless you want to tear apart all the dash vents and replace all the foam strips, then I would just let it blow.