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