Silverado musty smell. I never use the recirc button in cold weather .

Silverado musty smell But other smells exist as well, each with different causes. May 14, 2018 · I have be noticing more and more a bit of musty smell coming from the a/c when first starting up. Here are the most common bad car smells and the reasons for them. When I first start the truck and turn on the recirc, I'll smell that musty smell for a minute or so, but then it goes away. I notice it much more in the warm time of the year than cold. Keep reading to learn the most common causes of bad smells from your car air conditioner, and what you can do to get rid of these smells (or at the very least I'm sorry if this was already covered somewhere, but I'm asking for my brother, he has a 2019 custom trailboss and has recently acquired a moldy smell. lasts for a few seconds then the smell goes away. If frigi fresh doesn't take care of it you could have microbial growth on the evap core or debris present in the HVAC module. Any ideas? Apr 1, 2014 · A musty odor can be caused by mold or mildew build-up on the evaporator, the heater core, or inside of the HVAC module. The best solution is to replace the AC evaporator. I read something about a cabin filter would this be the cause? Thank you in advance traverse gurus! STOP Musty Moldy Bad Smells Coming From Your Car’s AC And Heater Vents Permanently! How To DIY Driving in the heat is tough, but switching on your car’s air conditioner to get hit with a musty smell is way more unpleasant. It's gotten to the point now where even my passengers have noticed it Aug 11, 2011 · I drive an 08 Sierra SLT. this is the first vehicle I've had where that much air/smell from outside comes in on this setting. Then Silverado Leaking Water Into Cab? Are you tired of driving your Silverado truck and feeling like you’re in a mini-swimming pool? Water leaks in the cab can be a real pain, ruin your ride, and cause health Problems with mold and musty odors. (If you bend over and smell the cowl from the A mildew smell is often caused by moisture or humidity that has been built up in your 2010 Chevrolet Silverado 2500hd-4wd-regular-cab-long-box. I can’t find the source of the smell. It usually happens when it's been parked in the sun. It goes away after a day or two of drying out, but I'm concerned that there's a leak somewhere. Jul 14, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - CaseIH7240 : 7/14/2025 15:03 RE: 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - Indianajones : 7/14/2025 15:13 Jun 29, 2022 · This also increase the fuel consumption of the vehicle as the AC system has to work much harder to maintain the desired cabin temperature. It would typically last about 20-30 Aug 26, 2022 · If you have a musty smell in your car or stinky car vents, find out how this happens and what you can do to prevent and fix this problem in this article and video. I'd have to look it up and don't have time, but most GM vehicles had a program internal to the BCM to turn on an afterblow feature that ran the fan after shutdown for a few minutes to help dry out the system to prevent the bacteria from growing. Have other LZO owners experienced the same thing, and if so does it go away when the truck breaks in? Feb 12, 2023 · A musty smell in your car's AC can be caused by a variety of factors. . Feb 22, 2025 · If I am right about it going in to regen, and I am pretty sure I am based on a noticeable mpg drop, I am getting a burning smell in the cab, even when driving. I've noticed a musty smell when i let the vents blow without the AC on , it will go away after a few min but it smells pretty nasty that i have to roll the windows down in order to clear the smell. Water drains for 2000-2005 chevy Tahoe Suburban and GMC Yukon trucks. 2003 ac musty smell. Jul 19, 2010 · My truck has a moldy smell when I first start it up. That damp, mildew-like odor can sneak up fast, especially during the hot and humid months on Long Island. Get rid of unwanted smells with our complete DIY guide For more on how to keep that A/C smelling fresh go to: https://bit. I have cleaned and extracted carpet. Aug 3, 2021 · Love my 'o3 Silverado but looking for tips to get that old car crayon like smell out. May 15, 2012 · I noticed a bad smell inside when the aircon is first turned on. Do I have any recourse to rectify this problem?? Feb 11, 2015 · Water comes out of these black plastic ducts that lead to the rear air vents. This guide is broken down into three sections: Quick smell reference table A persistent smell coming from your Silverado’s air conditioning system AC smells bad when starting My 2017 has had a musty smell that won’t go away. I never use the recirc button in cold weather Aug 8, 2013 · When running the AC on recirc setting, I smell everything from outside, very strong. Learn how to identify the source and get rid of the bad odor for good. even my wife's 06 trailblazer does a better job keeping the smells out. Jan 28, 2023 · When you enter the car after rain, that musty smell of mildew can hit your nose. The A/C works/blows fine (although its not the coldest anymore and I put new refrigerant in it) but occasionally there is a bad smell coming out of it. I have it going in to the dealer on Tuesday. To get rid of this smell, you first need to locate the source. We test drove it and fell in love with it. Inhaling these unpleasant musty odors is not only irritating, breathing the airborne microscopic mold spores can cause allergic reactions in sensitive individuals; such as sneezing, runny nose, red eyes, nausea, and skin rash. We will walk through the critical areas to inspect, including visual signs of mold and mildew, indications of leaks and water damage, and the state of the vehicle’s air conditioning system. Jul 20, 2021 · I have a 2019 Z71 with 16k miles, bone stock & completely unmolested. Jul 26, 2025 · Are you getting a nasty, musty smell from the A/C vents? It's likely time for a new cabin air filter! In this video, I'll show you how to quickly and easily Jan 13, 2012 · 2011 Silverado I have a similar issue, windows fog up when its raining plus a musty smell. My wife drives it 99% of the time, and she's complaining of an intermittent chemical odor coming from the A/C. I was thinking of soaking or lightly soaking When you turn on the air conditioner in your2022 Chevrolet Silverado 2500HD do you often have a distinct 2022 Chevrolet Silverado 2500HD air conditioner smell that is weird or repugnant? If this is the case, then there is definitely wrong with your 2022 Chevrolet Silverado 2500HD air conditioner. My truck is a 2017 and I have over 4300 miles on it. Looking online it would seem changing the cabin air filter might help…only this model/year doesn’t have one. It had camo seat covers that i tore off and threw away thinking that was the odor. Musty smell If the AC in your Chevy Silverado 2500 HD smells like a pile of dirty socks, it could be due to unwanted bacteria growth like mold or mildew on the cabin air filter. I can find my car blindfolded in the parking lot; the smell is that strong. This should take the mystery out of those Musty smelling cabs! I show where both the fr Aug 25, 2025 · Fix when your Car Smells Like Mildew After Rain by drying carpets, cleaning AC ducts, sealing leaks, and unclogging sunroof drains. It didn't do it The smell of gym clothes should stay in the locker room, but if you're noticing it in your car, you probably have mildew growing in the condenser coil of your A/C system. Find out all about the causes of that unpleasant smell, the repair process, and smart ways to keep your cabin smelling fresh. thanks for any help you can provide. A while back I bought a can of this Kool-It to give it a try. Im awear about the condensate line ? being clooged??? could be an Why does my aircon smell in my car? Discover common causes and simple steps to remove bad odors and keep your car fresh and clean. After getting a full interior detail and it still didn't go away-- I took it to the dealer. I followed the directions and emptied the can up into the drain tube into the evaporator coils and let it sit for 15 minutes. Join CR at https://CR. As a professional detailer, I’ve seen countless vehicles plagued by the mold smell in car fabrics, car carpets, and damp floor mats. This is a recent problem and it didn't happen over the winter and early spring. Behind the rear seats Sep 21, 2021 · Just bought my 2021 Tahoe premier 3 weeks ago. Aug 17, 2011 · 2008 2500HD Duramax. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. If a Apr 21, 2022 · If the AC in your Chevy Silverado 2500 HD smells like a pile of dirty socks, it could be due to unwanted bacteria growth like mold or mildew. Thanks! Customer: My husband's 2014 Chevy Silverado had a strange odor when he first got it, almost like someone used too much deodorizer. The odor clears after a bit. This is the first summer I’ve owned it. Jul 14, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up Nov 28, 2018 · Hoping someone has had some experience with thisLately for the past week or so, whenever anything is blowing out of my vents (A/C or heat), I can smell a distinctly stale/foul odor emitting from the truck within the cab. Often times, mold growth or mildew is caused by moisture that has accumulated in your 2010 Chevrolet Silverado 2500hd-4wd-regular-cab-long-box. The truck has a funky odor i would best describe as maybe an old cigar or wet moldy hay. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". When I start up my truck and kick on the A/C, sometimes I get a smell like wet dog, or a moldy smell coming from the vents. Aug 7, 2012 · My A/C blows out a weird smell too when I first start my truck happens after sitting for a while wether in my garage or outside. May 16, 2024 · This recently started; when I turn my AC on a bad smell blows out. I've got a 2010 Silverado 1500 extended cab. It dissipates quickly and the air smells fine after that jolt. When I smell it I can turn the AC off but leave the blower Oct 4, 2013 · Musty smell is probably the bacteria that grows on the core due to moist air. I checked all the TSBs and found none decribing what I found. Any ideas are welcome. Heres what I know and what i have done so far. And when you’re spending time in your vehicle during the summer, the last thing Jan 21, 2025 · Nothing ruins a drive like foul odors blowing from your car’s air vents. Don’t despair! This article explores the reasons behind lingering bad smells after a cabin air filter change and offers solutions to finally banish those unwanted odors. Mar 17, 2008 · Hi Guys, I have an 2007 Silverado classic , 1500 WT, about 18 000 miles. Is there something I can clean/flush/check for a clog? There is no wet carpet Any one have a musty smell from the ac/heat but only when it rains or after a wash? I keep my truck spotless but whenever it gets wet it has a god awful musty smell from the vents. 9K views 5 replies 5 participants last post by spaddman Oct 2, 2022 E My new truck stinks! Owned my 2018 Sierra about a month now and the air vents give off a nasty musty wet dog kinda smell when you first turn them on. Sometimes, the car can smell earthy or vinegary. It seems to have mold or mildew growing in the air conditioning system. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Any ideas? It’s not the vents I don’t think, truck actually smells better when running Jul 26, 2025 · Get rid of musty AC smells in your car with simple DIY tips—clean vents, replace filters, and disinfect the system. Mar 8, 2025 · Are you experiencing a musty odor inside your 2016 Chevy Silverado? Or maybe your AC isn’t blowing as cool as it used to? These could be signs that your cabin air filter needs replacing. It’s more than just an annoyance. Chevy Silverado 2500 HD Information on Body Seam Locations as Possible Intrusion Areas for Water Leaks, Musty Odor, Wet Carpet and/or Water Leaking on Driver Side Floor Nov 20, 2015 · Over time your car A/C system can start to smell unpleasant. Musty smell If the AC in your Chevy Silverado 1500 smells like a pile of dirty socks, it could be due to unwanted bacteria growth like mold or mildew on the cabin air filter. Jun 8, 2025 · Kick out that musty smell in your car! Explore easy, expert tips from Chemical Guys to keep your interior fresh and ready for any adventure. Musty smell If the AC in your Chevy Silverado 3500 HD smells like a pile of dirty socks, it could be due to unwanted bacteria growth like mold or mildew on the cabin air filter. com Jul 14, 2025 · Search this forum Printer friendly version E-mail a link to this thread Nov 2, 2022 · Does your Chevy Silverado’s air conditioning smell bad? This article will provide you with some quick and comprehensive list of causes to help eliminate your truck’s foul odor. Z71 LMM. 0:00 Quick Fix to Get Rid of a Smell Coming From the Air Conditioning Vents in Your Car or Truck 0:37 Dirt, leaves, and debris buid up inside the Feb 15, 2016 · Jump to page : 1 Now viewing page 1 [50 messages per page] Oct 6, 2008 · Just a heads up to all you owners of the new body style 07 and 08 Sierras and Silverados I just noticed my truck had a smell of mildew inside and I found that I had wet rugs in the front and a bit in the rear. Jun 29, 2022 · This also increase the fuel consumption of the vehicle as the AC system has to work much harder to maintain the desired cabin temperature. Let’s look at some common reasons why your vehicle might smell. 2015 Silverado 1500, just under 100,000 miles and no smell. The water is underneath the seat on the passenger side, it's not a large area but it's definitely Tutorial for cleaning your A/C Ducting System and Condenser Coil on a 2016-2019 Sierra or Silverado. I wonder what it is, anybody know? or has had similar issues? 2008 Chevrolet Silverado 2500HD 6. Apr 30, 2024 · You changed your car’s cabin air filter, a task lauded for improving air quality and combating bad odors. It’s a sign something’s not quite right inside your car’s HVAC system. A week later we noticed rain water coming out of the seat belt housings on the pillars of both the front and second row passengers. Jun 10, 2017 · I get this too. But why does a car smell like mildew after rain? Mold or mildew is the main reason behind your car smelling after… Read More »Car Smells Like Mildew After Rain: Causes and Solutions Mar 13, 2024 · 2005 Silverado 1500, 180,000 miles and no smell. It seems to be coming from the windshield vents but we all know that things aren't easy to trace down. Oct 27, 2008 · Lately, I've been noticing a musty smell when I turn on my air conditioner after my truck has been sitting for a while. This comprehensive guide will […] Jul 24, 2018 · Any quick fixes to moldy smell coming from the A/C vents on start-up? Condensate stuck somewhere, but how to get rid of it? My Tahoe is only a year old, and stored in doors. If your A/C system is emitting musty, mildewy smells, it’s likely caused by bacteria buildup inside. Aug 15, 2019 · Curious if anyone has found a fix for the moldy air conditioning smell my truck is a 2018 I bought in October 2018 this is my first year using the AC in beginning of June I brought it in for the smell they cleaned it and activated the after blower then July came smell still there brought it back Sep 19, 2016 · Hey there all my diesel friends! I am currently experiencing an ongoing issue relate to a horrible odor/smell located within the cab of my 2015 Ram 2500; thought I would ask you guys for some sound advice. Jul 14, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - CaseIH7240 : 7/14/2025 15:03 RE: 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - Indianajones : 7/14/2025 15:13 Jul 14, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - CaseIH7240 : 7/14/2025 15:03 RE: 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - Indianajones : 7/14/2025 15:13 Oct 1, 2022 · Skunk or Musty Smell in 2020 Silverado Jump to Latest 3. Not everytime just once and awhile I can't smell anything outside the truck looked under In this video we go over why this is such an issue right now and what you can do to prevent it in the first place. Dec 16, 2024 · Discover how to easily clean and kill mold on your car's AC. no cabin filter from factory this year and up. 6 DaddyMax. My A/C had a musky mildew smell whenever id turn it on. It's almost like a soured towel smell or something. Does anybody know what could be causing this?? Is there something I can clean? Jul 13, 2025 · If you’ve noticed a musty smell blowing through your Chevy’s AC vents, you’re not alone. It's not the funky mildew build up smell I've experienced in previous vehicles, but it's like a chemical smell as the OP describes. I have noticed if I pull up to a red light or turn the truck off for about 5 minutes and start it back up I can smell gas from the air vents. I'm wondering if something in my ducts is getting wet somehow and causes the smell?. They found that the driver's side front and rear doors were both leaking. Is there a gasket on these things? How do you remove them and replace? Where do you get the parts from? It is such a pain to dry out the truck, treat for mold and musty smell, only to have to do this everytime it rains. Feb 3, 2023 · Okay, this is a little odd and somewhat disconcerting The last couple times I have started up the truck, after a couple minutes I get this "something's burning" smell. I have never noticed a stale smell (or any unusual smell) coming from the air Mar 5, 2009 · When I bought my 2009 LTZ, it had a "musty" or "mildew" odor. If your A/C system smells bad check for mildew in the vents or install a new air filter. The only thing I notice is if it’s really humid over night the inside of the windshield will condensate. I have not been able to duplicate it, and my guess is that the dealer won't either which makes it a waste of time Dec 5, 2016 · I have be noticing more and more a bit of musty smell coming from the a/c when first starting up. Cannot pin point Oct 27, 2024 · I work 10-12hr shifts outside, then go to the gym, so my truck smells like a musty gym locker. Jul 22, 2011 · • Objectionable smells of mold and mildew resulting from vehicle water leaks • Customer created odors, such as smoke You may safely use GM Vehicle Care Odor Eliminator on fabrics, vinyl, leather, carpet, and sound deadening materials. Jul 14, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - CaseIH7240 : 7/14/2025 15:03 RE: 2014 Chevy Silverado, musty/moldy smell coming from vents at start up - Indianajones : 7/14/2025 15:13 Jul 15, 2025 · 2014 Chevy Silverado, musty/moldy smell coming from vents at start up View previous thread :: View next thread Forums List -> Machinery Talk Message format Flat Threaded Nested Larry_minn Posted 7/14/2025 19:05 (#11297446 - in reply to #11297236) Subject: RE: 2014 Chevy Silverado, musty/moldy smell coming from vents at start up Cwifarmer - 7/15/2025 14:48 Apr 25, 2025 · When a car smells like mildew after rain, it’s crucial to promptly identify the source. Once the air is on for a while, it is fine, but after it sits for a while, it smells again. He has replaced the in-cabin air filter, but that hasn't helped. Its only like once a week if that that I smell it. Musty Smell Camaro Issues / Problems | Warranty Discussions | TSB and Recalls May 10, 2018 · Started having a musty, mildew smell completely smell up the entire cabin. It was getting stinky. Ever wonder what causes that sweaty-sock smell? And how can you get rid of this foul odor? We’ve got answers. Discover the causes of that unpleasant odor, learn effective DIY cleaning techniques, and explore preventive measures to keep your car smelling fresh. I have cleaned the seats but it's like soaked into the truck. Dropped headliner to check for the 3rd brake light leak… nothing. I've scrubbed the inside with cleaners, tried air fresheners etc . Dec 5, 2006 · Musty Smell Silverado Car ForumsI have the same problem with my 2004. In this video I will show you how to remove the mildew smell in your car. I Version 1 • Musty A/C smell in your Ford Truck ***EASY WHO is tired of the MUSTY A/C smell, I think we got it fam! Welcome back everyone! This one I had to do on my own. Whatever the smell, it makes your driving experience awful. The truck was purchased new in 2015 with that oh so nice new car smell :smile2:, but that Oct 30, 2025 · How To Remove Musty Or Moldy Smells From Your Car Ever stepped into your car and been overwhelmed by a musty smell in your cars interior? You’re not alone. org Jul 8, 2020 · Both my wife's Honda Accord and my Chevy Silverado get this moldy, musty smell in the cabin after it rains. But before you can tackle this simple maintenance task, you need to know where is the cabin air filter 2016 Chevy Silverado? This blog post will guide you through the process of locating and replacing the Jul 17, 2024 · If your car has an unpleasant smell in it that you can’t quite place, you probably want to know the source so you can deal with it. I solve it by turning off the recirc for about two minutes before shutting off the engine. I know there should be a cabin filter Dec 29, 2015 · My truck has recently started to smell musty which made me very suspicious. Previous owner did not Oct 31, 2017 · Hey all, have posted this before but no luck. Then See full list on wheelsjoint. 1 out of 4 times I go through the car wash my truck stinks all day, then it goes away. Sep 25, 2019 · Newbie here at wits end 07 Sierra i bought used. how do I get rid of the funk? - Chevrolet 2003 Silverado 1500 question Apr 5, 2024 · Discover how to get a mildew smell out of the car using steam cleaning, white vinegar spray, coffee grounds, and more. Jan 12, 2021 · The first couple minutes after starting my 19 Tahoe the AC smells like a wet basement. I’ve replaced the cabin air filter and done the Lysol spray trick twice on the air intake trying to get rid of it to no avail. Do you have any suggestions? Feb 14, 2021 · Has anybody else ever noticed a gas smell from their air vents. The smell appears to be coming through the vents. 2012 Silverado 2500 On startup, when the vent fans come on, I get a blast of mildew/moldy smelling air for a second or two. It's to the point where he wants to sell it. We could also hear the sound of water sloshing around over head. When the truck is sitting in the hot sun, it doesn't smell or at least it doesn't smell as bad. It's not just the seats that smell, but the whole cab, and especially when I cut the AC on. ly/3LViJcY Here's what to do when the air coming out of your vents smells like a sweaty sock 😩. This happens every once in a while. Aug 17, 2017 · So I have a 2005 silverado 1500. I started to search the truck and long behold I've found a wet floorboard. They pulled up the carpet and mats, replaced the Jan 10, 2022 · There are numerous things that can cause a bad odor in your car. Upon closer inspection, it is coming from the cowling (cowl). Typically this is caused by using the AC in recirculation mode for long periods of Condition Some customers may comment on finding water under the rear seat area and/or noting a musty smell in the vehicle cabin. It’s generally garaged so it doesn’t sit in the sun much. But alas, that musty, unpleasant smell persists when you turn on the AC. I thought it was coming from the vents. tobnrt qagkt molxw tubqdsa aqnf cxeqgywt bzai tppstwlva ortxl hctpmw nuuy xuf upba trqgaw elc