I would be suprised if someone with an older car had not seen this. Jump to Latest Follow 1 - 11 of 11 Posts ... Take it in to the dealership...if you got vermin in there...let them fix it Just let em know that you put the ac on and crap starting coming out of the vent. I opened the front where you can remove the filter but it doesn't not allow access to where I see the styrofoam, which is right under the air vents on the top. 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? Purchased room bombs and sprayed directly into AC intake and then placed on the floor. you can check your cabin filter and area for rotting seal material. Help I have foam coming out of my a/c vents Anyone know why or how to fix Dlm0369, Jul 27, 2018 #1. Foam shooting out of AC vents occasionally at startup, when the AC kicks in real hard, it'll blow that foamy stuff out of the AC vents. No way do I have patience to do that! When the ac unit was running the seal was loose and air would seep back into the attic around the vent. TorRed 2007 Charger R/T, … 15 years of experience. I try to turn it on full blast like once a month to keep stuff from building up, so when i do use it, me or my passenger doesnt get an eyeful of it. My Texas car shoots copious amounts of nasty stuff formerly identified as foam. Disintegrating Foam Coming Out of Air Vents MKIV Jetta TDI I have a MKIV Jetta TDI and it has started to spew disintegrating foam from the air vents. Turn off the power and double-check with a voltage sniffer. Regarding the odor from the Air Vents... should I get the Air system checked, the inlet, the air filter, etc.? some times they use pieces of foam to seal plastic duct joints. The odorless, white steam or smoke coming out of your air conditioner is probably excess water stored in the heater box. occasionally at startup, when the AC kicks in real hard, it'll blow that foamy stuff out of the AC vents. For example, an air conditioning unit could be leaking because of torn insulation foam on the refrigerant feeding line. If you go to all the trouble of taking the dash apart I would check this door also... Bob. Sprayed ant killer around vent and seemed to solve the problem but when we got back home they came out again. why did this happen? In may case, the problem was likely due in part to me taking the dash apart a couple of times for various reasons. And not only that, but are you wondering if it is hygienic The link referenced above has disappeared from it's original website, and is only online in PDF format here: I'm glad there's a write up for this. Dealing With the Black Dust Surrounding your Air Vents Black Dust Around Air Vents - Have you ever wondered what the black dust is on the ducts and ceiling or the black stuff pouring out of your air conditioner vents is? When I picked up a piece of it and crushed it in my hand, it would disintegrate into almost a powder-like substance. 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. Puddles can cause slipping hazards, mold buildup, and other problems. I think I'll suffer with the foam shooting out. Automotive Network, Inc., Copyright ©2020. I took it out of the box and removed exterior styro foam, etc. I don't think Germany gets warm and moist very often. Then remove the light fixture, spread a drop cloth to protect the floor below and inject the foam. I am most interested in this fix, and will see if I can tackle it! Jul 27, 2018 at 4:16 AM #2 #2. That was it! It could be frost or water or styrofoam from the inside case. I checked the cabin filter just now. Cut the insulation to fit using a utility knife. If it really bothers you, you could have the sponge material replaced, but some disassembly of the dashboard is required to do this. For a long time it was nothing, and then lots of foam (which I picked out from behind the vents) and now it is back to nothing. The joints, in my perspective, are designed well and shouldn't leak much even if the sponge material comes out. My car is shooting foam, but the AC still works good and so does the heat. My 2001 626 v6 has started blowing black stuff out of the registers either when using my AC or when it sits idle for any length of time. There are foam pieces (called as padding) inside the blower assembly, for preventing rattles and also for improving cooling efficiency. What year/model Camry are we talking about? Just behind the vents, the ductwork joins in with the vents. Install the new air conditioner foam. 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 … FYI: In the light the filter looks filthy but it's a metallic mesh that doesn't reflect light well. My 95 Camry has done this some in the past. So I'm not going to mess with it. So I'm not going to mess with it. when I turn up the air real high) inside the car. The A/C works fine except that it now blows black greasy foam out of the vents everytime it is in use. Seems like mine occasionally develops an odor when the weather is cool and damp. I can visually see … These joints are "sealed" with a sponge type material. >> >> Spraying through the front grill is probably not doing a very good job. Member Meir Schwartz did an excellent write up on replacing the foam. 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. Several stress points are located in an air conditioning system, including weld points along the copper lines leading into and out of the home. Second, the dash air conditioning is no longer very cold. I had another piece of foam appear in mine the other day, but the AC still works great (the Camry AC has to be the coldest I've ever experienced). when im not using the air for a while.. But the foam drips out as it expands and is difficult to remove after it cures. Repairing Dash Heater/AC Vent Problem: First, the dash air conditioner and heater fan starts blowing pieces of foam out the ducts. around ceiling boxes. When the air is turned on, foam comes shooting out of the vents. I noticed that there is styrofoam inside the air conditioner where I cannot get at it to remove it. 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. Commonly, it is a sign of a restricted drain hole that needs cleaning. BartMaster1234 American Auto Horns. 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. Pro tip: Intumescent foam works best to seal large gaps (larger than 1/8 in.) unless you really lose a lot of volume of air dont worry about it. 986 Forum - for Porsche Boxster & Cayman Owners, http://www.carboncow.net/index.php?option=com_content&task=view&id=16&Itemid=96, http://i753.photobucket.com/albums/x...DSC_0049-1.jpg. Replacing the foam looks about as easy as replacing the piston rings. I wouldn't be concerned with it unless you notice a decrease in air coming out of the vents. While at a campground we had ants coming out of the rear AC roof vent by our 1/2 bath. Be careful. I had another piece of foam appear in mine the other day, but the AC still works great (the Camry AC has to be the coldest I've ever experienced). There isn't much freon in the unit to begin with so if it was freon it would not be cooling anymore. This is premium Porsche engineering. Car was Texas car. Just wanted to make sure this foam wasn't some kinda air filter. So far, I can't find a link that shows how to take the dash apart. Mar 06, 2015 | 1998 Honda Accord. Slip the new air conditioner foam over the tubing and on top of the cork tape. 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. Foam pieces coming out of vent! 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. I just use my pocket kife to get the pieces out of the vents. Its been coming out of my vents for like 5 years now. 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. What causes the Air conditioner to blow black greasy foam out of the vents? 2002 Cadillac Seville. The steam or vapor collected during the process of condensation could have made its way out when the air hit it. OOOH! Sounds like your HVAC mix flaps are coming apart and the foam is coming out. 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. I agree. Holy crap Batman. foam filter coming apart. I guess when the foam ages out it does it all at once. I purchased a brand new Haier air conditioner yesterday. Wrap insulating foam pipe sleeves around the exposed areas of the pipe. It seems that this problem is more common with cars in warm, moist areas: Texas, Florida, Louisiana etc. The joints fit together pretty tightly, so I don't think this would ever become a problem. When your car was put together the A/C ducts and blend doors had a small foam strip attached to them to seal them better. Here is a DIY fix: That will be a job for the next owner of this car. At what intervals should the Air filter(s) be replaced/cleaned? The joints fit together pretty tightly, so I don't think this would ever become a problem. dumb question, i know where the air filter is, but where's the cabin filter? What to do: The best thing to do is to trace the leak and find where it … >> You have to take it out of the case so you can flood the coil and >> possible the … So far, I can't find a link that shows how to take the dash apart. I have a 2003 vw bug and it's blowing black pieces of foam out the defroster as well as the actual vents on the dash. When the sponge material gets old and begins to dry out, some of it may separate and get blown out of the vents. OTOH, if it s 4tarted in the 2nd year, another reason to think Ed is right. 1 reply Report. Come to think of it, not a single person in the happy family could remember the last time that they had actually noticed air coming out of the vents. It is bad or the vacuum line has come off or is broken. Think the problem has been solved. What causes this and is it worth fixing? Its the foam insulation that surrounds the recirculation flap (which is located in the housing underneath your cabin filter in the rain tray). I have this problem. Then I don't worry about it and just go on with life. I 'm finally ready to fix this puppy! 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. Well, it's like one small piece a week. Dad marched them all out to the backyard on that hot afternoon to see if the air conditioner was running. Not sure what could be causing the odor. Although being in FL I rarely turn it on. 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 … Over time[15 years] the foam was falling apart and would crumble when you touch it. Dis-assembling and re-assembling these joints may aggravate the problem. I think most of it was caused by dust and the fact that the people smoked. It's not as dirty as it looks. Remove the adhesive liner, align the edges and press the seam together as you go. Asked by JMike in Mount Pleasant, SC on . They used foam tape during factory assembly to seal the joints on the ductwork. toothpicks are good to have handy as well. I can visually see some of it "clogged" in the end of the vents. The foam has disintegrated to the point that the flaps which direct the airflow are no longer covered making the dash controls useless. (adsbygoogle = window.adsbygoogle || []).push({}); One or two small piece(s) of brown colored sponge collect once in a few days on the inside of the AC vent(s) (esp. Looks like the foam surround that goes around the blower motors and AC doors is deteriorating and blowing out the vents. Most of the time, rats enter the car from Fresh Air intake vent, and end up chewing these foams. June 10, 2013. Once the glued ends touch, you can’t get them apart again. I "clean" it out occasionally, but I'm wondering if this is an indicator of something failing, perfectly normal, something that can be fixed, etc. The motor is in the center of the truck inside attached to the heater and has arms on it to move the heater and ac doors. oh yes... Camry AC is just outta this planet! Re: Foam pieces coming out of A/C vents! 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