Muffler weep hole G. However, road salt can cause rust to eat more holes through the muffler. See more I noticed there was water coming out of a round hole that looks to have either been made that way in manufacturing or was drilled, (definitely not rusted through), in the lowest part of the vertical flat front part of the muffler. They're maybe 1/8" diameter weep holes, one in the front and back Every vehicle since the addition of the catalytic converter to exhaust systems has had one - and, thanks to this weep hole, stock exhaust systems are lasting longer than ever. View attachment 473349 View attachment 473350 If you just make short trips all te time you will see it dripping out of the weep hole in the muffler. Weep holes are there to prevent water build up inside the muffler when the exhaust system doesn't get hot enough to remove it. 2009 - 2014 Ford F150 - How many weep holes in exhaust system? - I took my Lariat to the dealer for condensate leaks in the exhaust system. , 2010 Chrysler 300 Touring/Signature Edition, 2003 2500 SLT, QC, LB, ETH, DEE, 2006 Winnebago There is a very small (about 1/16" diameter) "weep hole" on each side of the muffler end panel. Any input would be great. Roddster 67 GT There's a ton of info on muffler weep holes on Google, and other automotive related forums. Didn't notice the damp pavement last winter. About the Author . Just wondering if I have a hole or if it's a weep hole or something. But I don’t see any weep holes. The throaty sound might be normal for your truck, especially if the muffler is bad. BOOM. Depending on the outside Use Muffler Putty To Fix the Hole. Jump to Latest 3K views 12 replies 7 participants last post by ThunderBun Mar 31, 2013. If your muffler has many holes and the holes are rusty, it is time to take it in for repair. Students in auto mechanic school should understand the potential problems that arise from a hole in the exhaust system, especially rust-related issues. Heres a video. Plus the fact that there is a darkened discharge near your “weep hole”, would indicate to me that it’s not for condensation drainage. After leaving the truck with the dealer service department, the service writer tells me this is normal operation. Personally I don't give it too much attention, replacing mufflers is just part of owning a vehicle. Of course, the muffler and/or resonator is typically after the catalytic converter(s), which means that any gas leaking from a hole in your muffler is no worse than the gasses coming out of the tailpipe. They called Ford and were told there was a weep hole at the crossover pipe, one at the joint in the exhaust pipe before the muffler and one in the rear of the muffler. Weep holes are small holes found in the muffler of a car. It means the internal baffles are gone. Dealer says they can't figure it out. Save Share Reply Quote Like. KIA sweden. The water in the picture is totally normal. If you click them and make a purchase, we may earn a small commission. Unknown member Discussion starter. The hole is round and looks purpose placed. It's definitely condensation has zero smell. Never noticed these holes or damp spot on the pavement before. It’s leaking from where I would expect to see a weep hole. 78 lb-ft TQ - TBD. This isn't the best picture ever, but it'll show why the V6 muffler needs drain holes: Essentially the exhaust gasses enter the muffler through that pipe in the center and just fill the muffler box - this allows them to slow down considerably, acting as a resonator. They are intended to drain any condensation that accumulates in the muffler. Cold engine overnight and the leak still very active. Lastly, Beware of Rust Holes Appearing Anywhere in the Muffler. Posts: 65. ” The purpose of these holes is to let water drain out of the muffler so that rust does not form. that they need weep holes. I am assuming it is a weep hole but never notice moisture leaking from it. No concern at all. Glad to see it then a rusted muffler in the summer. Joined: Sep 2005. Trucks a brand new platinum with 1700 miles. Hello all, A number of other users have commented on the weep hole in the Maverick Muffler, and how it drips condensate here, here, and here, and probably other places too. Those holes, except the muffler, water is weeping out is just bad welds and seals, again, totally normal for a Ram. I've gone so far at to drill my own 1/16" weep hole in a replacement muffler that lacked one. yours is probably a Mufflers normally have small holes called “weep holes. The water would freeze, accumulate and block the exhaust in the winter time if we didn't. I only saw two holes and they both have black auras around them, which is probably due to carbon I'm a couple weeks out from getting my muffler deleted and I originally considered plugging the weep holes and even just getting a res delete as well after hearing an awful spitting, almost exhaust leak type sound coming from them on cold starts (goes away after its warmed up). 2011 SV Crew Cab long bed 4x4 Purchased 4/13/11 Totaled 10/14/13 Lifetime fuel info The hole was placed from the inside protruding outward and is directly at the lowest point of the muffler. Keep on driving. There are small weep holes in the mufflers to let condensation escape. theres also one further up. Btw I have that same black spot on the garage floor too. This is the approximate area of the weep hole, but it is on the back "wall" so to speak of the muffler. I've looked at the forums and have a question related to the seeping exhaust. Has anyone else had this happen. Here's a link to the Service Bulletin on the NHTSA website: 09-004-20 If the weep holes are leaking exhaust you can see, the muffler is bad. These holes allow water and other liquids to drain out of the muffler, preventing rust and corrosion. You can do the same thing with a 1/16” drill hole in the very bottom of the end cap on the lowest end. I had the muffler in my Corvette blow a 3x2 inch hole So today after starting my truck I had a strange noise coming from underneath. Most of the cheaper mufflers don't have them. 184 posts · Joined 2023 Add to quote; Only show this user Muffler weep hole. I have 1800 miles driven and there is no 2023 grabber blue metallic Mach 1 P2765, 700A, elite package, 10R80, red calipers, upgraded wheels steeda jacking rails, IRS brace, bushing supports, alignment kit, steeda H-pipe, Wengerd E-85 tune MACH 1 puddle it‘s normal, there’s a weep hole in the muffler to let out condensation. Most mufflers have a small hole drilled from the factory, some don't. Google 'muffler weep hole' and you'll see references for almost every car manufacturer. In the end, its best to drive long trips fully warmed up to drive the moisture out. . See the attached video. Over heard at the Meineke shop while customer just had new muff installed; car is still Hello. Maybe it's "leaking" because of this. Re-drill holes with 1/8" drill bit - VERY CAREFULLY - as there is exhaust structure inside important for maintaining function of the catalytic converter. 4 2013 equinox? Rained heavily yesterday and today it's in the 50s was idling the car for 20 mins or so and saw a drip coming from side of muffler. Consult the manufacturer’s instructions for application beforehand. OP . I have a 2024 Camry Hybrid (2000 miles). It's not coming from the seam. First Name Garrett Joined Mar 20, 2019 Threads 7 Messages 667 Reaction score 1,091 The weep hole is there to get rid of moisture either liquid or steam (once the exhaust gets hot, They help the mufflers last longer. (2) catalytic None of the weep holes identified on any muffler shown in the links on this thread or any GM Toyota or other muffler are put in the middle of the muffler and recessed into the body of the muffler. No smell to the white cloud at tailpipe. 😆🤣😂😭 2021 GMC Canyon Elevation Standard 3. As a result, when the engine is cold, we get sooty water dripping out the end of our exhaust pipes. Mustang2Ranger Well-Known Member. The holes are perfectly round like they're either supposed to be there or were drilled by the previous owner. Rust holes commonly develop near the exhaust pipes due to exposure to The Atlas's muffler has a weep hole. '23 Lariat Tremor SuperCrew 4X4 Oxford White 501A,Tow. Most frequently, rust or a loose clamp is to blame. A weep hole is a small hole that allows moisture to escape from the muffler. Apply it and wait for it to cure, preferably for 24 hours. Weep Holes See the attached pictures. Its a weep hole to let moisture out. 22 BB That weep hole is supposed to be there: Exhaust gasses - the products of combustion of gasoline - are mostly carbon dioxide and water. Reactions: FlNiro. Information courtesy of Mitchell 1. Posts: 2,772. Weep holes are not uncommon, as most muffler manufacturers now include some sort of drainage to prevent corrosion. Lariat, EB 2. Notice all the carbon build-up in the area of the hole. Exhaust condensation as mentioned. Reply. Has anyone else experienced a defective muffler can? Either the muffler in my 2021 4 door is defective else it was damaged between the time it was manufactured and delivered to me. quick. I checked front and rear exhaust. 5 cm (1 in. Hey guys, brand new to the 2024 F150 Powerboost world, only had it for a month. I noticed the leak on a cold morning after idling for 5 minutes. When I got the truck home I looked under it and saw water dripping from around the muffler. (the manufacturers probably don't want them to last). I climb under the truck and look and theres water shooting out of my muffler through a weep hole and also the resonator. It is typically located at the lowest point of the muffler and is drilled in a way that allows water to drain out but does not affect Yes, that drip is normal as the muffler has a "weep hole" specifically to allow moisture. My muffler wasn't draining enough either That's why I took a 1 inch auger bit and a cordless drill and drilled 6 drain holes through the tubing from the bottom, along with 4 half inch holes along the bottom edge of the rear of the muffler, and 2 holes through the piping on each side. Post Reply. 10+ Examine the muffler. Mechanic's Assistant chat. They have weep holes to let moisture and water out. What you are seeing is the remaining soot left over from the slurry that has drained out of the hole and down the edge of the muffler. If it didn't your muffler would rust out v. No holes at all. Genius! 2015 Grand Cherokee High Altitude 4x4 V6 Granite 2. Relax there are weep holes in several spots just for this reason. The bigger concern is not seeing water in the tail pipe or muffler - which A hole in your exhaust can also make you fail emissions tests. A hole in your muffler can be caused by a myriad of factors but physical damage and corrosion are predominant. RPTR SE Member. 2015 - 2020 F150 - Excessive moisture and white steam - 2016 F-150 sport with 3. Quote: Originally Posted by SpencerPJ. But that's the only "weep hole" I know of in the exhaust system. 1 post · Joined 2020 Add to quote; Only show this user #4 There is literally a hole in the back of the muffler to let the water out. Page 1 of 2 1 2 Next > Products Discussed in Someone drilled a hole and stole your exhaust! Its a weep hole as others have mentioned. It is unsightly, at best. But it seems to be in several places along the exhaust system. P. Jan 22, 2014 #5 OP . she's a little sooty - looks like there Shop Automotive Supplies Now! https://tinyurl. 2011 Jeep Wrangler Sahara-JK, 6 spd. When I went to work this morning there was a decent sized puddle of dirty fluid under the muffler. The sound might be from an empty converter where the I look under the truck and see excessive moisture dripping down from the muffler and what seems to be either a hole or the seam on the muffler itself is bad Anyone else have/had this issue. This is a very shallow drill plunge, approximately 1/2" before touching internal passageways 4. 2254 posts · Joined 2018 Add to quote; Only show this user I talked to someone at Walker and was told that mufflers that needed a weep hole where designed to have one and others that didn't need them didn't have them. Doing a bit of research reveals the holes are there to prevent the muffler from rusting because of trapped water. Likes: 2,258. The water is leaking from where the muffler end cap connects to the muffler body. Looking at the hole closer, it looks very uniform for it to be something that hit it and that punctured the muffler. The truck only has 6000 miles. Truxedo Sentry Cover Former DWG 2017 ZR2. '98 2WD Frontier, 4-cylinder, 5-speed, white regular cab, purchased in 2004 with 100K on it for the kids to drive, now it's back All mufflers have small holes in the ends of them (called “weep holes”). If the hole is large enough, outside air will be sucked into the emissions stream via the muffler and then pushed out of the tailpipe. I happened to take a look under my car after a short drive to notice holes in the exhaust muffler with water dripping out of them. Reply reply. I've read other posts that say Your "weep hole" is one of several locations at which a spot weld is formed using a tool that crimps a small point of contact between the muffler body and one of it's sheet metal internal baffles, and then fires an arc. I brought my truck back into the shop that did the work for me and That is the weep hole in the muffler and it is there to allow moisture to exit. Started it up and out came a bucket of condensation from the muffler weep holes. I put one at 6 on the lower hanging end. That way it won't I've read posts saying that exhaust coming from the weep holes means the component (muffler, silencer, resonator, etc) has failed internally. Joined Nov 17, 2013 The shop guy that looked at my muffler didn't know it was a weep hole and it was normal and neither did I. Matt D. "FWIW over the last tank of so of gas I haven't done much interstate The picture makes it look more obvious than it did when looking at it first hand that there is a hole intentionally put there. Using a 3 mm (1/8 in) drill bit and a drill, drill a weep hole no deeper than 2. Customer: Do the 5. A hole in the exhaust system may be the source of water flowing from the muffler. Jun 29, 2010 Posts 5,864 Reaction score 985 Location Virginia Ram Year 2003 & 1989 D250 RWD Engine Hemi-5. Many people believe that weep holes are necessary for the proper Believe it or not, almost every muffler has a weep hole. When the exhaust system is cold, water vapor condenses, especially in the muffler which is a pretty large heat sink, until everything warms up. Appreciate 0 Quote 12-12-2014, 08:44 PM #14 The hole in your muffler can also cause your automobile to fail an emissions test. It’s better to take your car to a repair shop and have them take a Recently started to notice 10 inch dark spot on the cement directly underneath the center of our 2016 Ford Explorer. 7L Ram 1500 have a weep hole in the muffler to allow water to drain. Most mufflers have a small “weep” hole to allow the condensed water to drain away. There is a weep hole in the muffler for this reason, so that it doesn't rust out. ROTO-FAB, BMR, MGW, 20" VS There is a bulletin I believe in regards to this. Reactions: td2013. I allwats drill a small hole in the lower back end of my mufflers if they don't come with a hole. When I dropped it off he said it might be exhaust system weep holes. 2 RWHP, 455. They both work together to cancel noise. I'm trying to find a schematic of my edelbrock muffler to drill a weep hole in it. Muffler Weep holes. OP. once you drive around- the (1) manufacturers INCLUDE WEEP holes in the muffler to allow water to drip out rather than collect, in order to reduce or avoid decomposition from rust. 0T tends to do The weep holes in the V6 exhaust are because of the way the muffler is setup. Thread starter RPTR SE; Start date Jan 3, 2014; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. The factory exhaust is more restricted so it's harder for that condensation to get out of the exhaust. Not just the tail pipe. I would have the dealer check it out but it sounds like just a weep hole. He said it is carbon mixed with water. Almost all modern vehicles have intentional muffler weep holes. 6L V6 crew cab, short bed, black, running boards, hard folding tonneau There are at least 4 weep holes, 2 in resonator and 2 in muffler. jsi, May 2, 2018 #20. Reply reply Its just exhaust vapor condensing into water, a product of the catalytic conversion of engine exhaust. 1. , 1995 Jeep Wrangler S, 2. I've noticed that other manufacturers drill a small (. And I tried getting video but my phone picks up too much drone to really hear it. In the situation you described it would not be unusual for moisture to come from the weep holes or from the exhaust tips themselves. LIVERNOIS MOTORSPORTS, 2R MAXX CAM, POWERSTORM HEADS, PORTED THROTTLE BODY AND INTAKE, ARH LONGTUBES W/CATTED X 496. ) into the muffler assembly at the bottom lower corner. Coolant and oil levels remain the same. There is a weep hole in the factory mufflers to keep them from rusting out when condensation builds up and creates. I bought a 2011 eb F150 about a year ago and recently noticed that there are some small holes in the cat and muffler. water. -Hooligan 170i 2014 SylvanSport Go camper/trailer. TOTM October 2023. (2) catalytic converters, by contrast, do not employ WEEP holes because the Cat is intended to be a SEALED system. Thanks tho! 2023 Maverick Hybrid, Cactus Grey 2019 Genuine Scooter Co. Just no visible weep hole. My question is -- is it normal for exhaust to vent out the resonator weep hole? I know the hole is there for condensate to drip out of, but shouldn't all the exhaust fumes be coming out the Drilling the hole should cure the problem. If there’s any exhaust escaping from the engine head to the exhaust tips it’s a leak. The muffler takes quite a bit longer to heat up than the rest of the exhaust (just because of size and location). The hole works better than rusting a natural hole. There is a Service Bulletin (#09-004-20) about the frozen muffler / no start issue, the solution is to drill a weep hole in the muffler. Last edited by Sailormannn; 12-12-2014 at 10:01 AM. 125") hole about . These holes allow excess water to drain out of the exhaust system. Locate the front and rear moisture weep holes (pictures attached) 3. Junior User. Many mufflers used to have a tiny weep hole drilled in the bottom of the end cap to permit condensation to weep out after shut down instead of sitting in the muffler, rusting it’s insides, until the next fire up. If there is no weep hole at the end of the muffler, use a 1/8-inch drill bit to drill a weep hole no deeper than one-inch into the muffler assembly at the bottom lower corner. A typical result - There's a small drain hole at the back of the muffler. Those of us that live in colder climates have black drip spots all over our Do the 5. PaulHuntzy Member The service tech said the dripping could be coming from the drip hole in my muffler. After the engine is shut off, as it cools, condensation forms in the system and settles at the low points. Dealer says it water. Cold start blows steam and excessive water. adhack. Reactions: Gonzo_Paddler , TheFactor , David_Baker and 2 others Now I've seen muffler cut-a-ways as used for demonstration purposes, and it is beyond me to imagine how water trapped between the different chambers inside a muffler is going to somehow manage to escape The exhaust system begins to warm up if you just start it and move it, or take it on a short drive. The Tech told me that there are pin holes in the resonator and the muffler (or pipe, I forget which) to let water drain out to prevent corrosion on the inside. photo below Thanks. Though at 178K it is probably time for a new converter. 3 Apr 4, 2020 | 08:25 AM Share #3 MikeD134 Just like the coolant weep hole on the corvair water pump! But it seems to be perfectly placed at the low point on the muffler, maybe it’s to let water out? Not even sure if this would make sense. once you drive around- the exhaust is hot enough to keep the moisture as steam and out the tailpipe it Exhaust system holes. It is also a PITA because I like to keep my tips clean (it's a hygiene issue, I guess). If the muffler hole was caused Fuel has a lot of water in it. quickcar. 2 posts · Joined 2024 Add to quote; Only show this user #40 Exhausts don’t need a weep holes, as long as water doesn’t get above the exhaust ports to get into the engine and as long as it’s running it’ll be blown out or evaporate. Save Share some mufflers actually have a weep hole to let water drip out so the muffler will rust less. com/37cuybmuHello 👋 friends and welcome back to RtR! If you have ever taken a good look at your exhaust system Back when I ran a Midas shop, we deliberatly knocked a weep hole in any transverse muffler to let the condesation out. Muffler putty is a heat-resistant resin compound that can help seal cracks, leaks, or small hole in exhaust. But if you see rust holes forming close to the exhaust pipes, these are When the exhaust piping is cold, the water vapor will condense. Reactions: low-tec and Johnnyone. Enjoy buzz free exhaust! 2015 - 2020 Ford F150 - Water dripping from exhaust, not outlet too. 5, 4 cyl. 5" from the end of the 1997 - 2003 Ford F150 - Exhaust Weep Holes? - Is there suppose to be weep holes in the exhaust pipe before and after the Cats? I know mufflers usually have one. To let the water out. If 1. 0, AWD, Luxury, Co Pilot 360, and Off Road Packages, Alto Blue I knew that, but didnt know about the weep hole there. If you want to drive the vehicle in the cold, this is a proper and common fix. I see a lot of water leaking from the muffler that I assume is condensation. She thought Exhaust weep hole. And the purpose of the weep hole is to allow water -- a byproduct of the engine's combustion -- to escape. Those are put into the muffler to allow condensation from the exhaust gas to drain as the muffler cools down. The pictures represent two different sections. The fix is to drill a small weep hole in the muffler, which is totally acceptable. The water that comes out is fairly dirty as it did just come out of a carbon filled exhaust pipe. However, it will not change the sound of the exhaust. if it wasn't there, eventually yout muffler would rust out. Van Gogh Discussion starter. Pfffft. 7, 5. Brought it back to dealers and they see no problem. Short trips will result in condensation water sitting in the muffler / resonator. Anyway, I think there is a block or partial block in the exhaust somewhere, but it sucks that the exhaust from the flex pipe all the way to the tail pipes is 1 piece (includes the resonator). 2024 Canyon AT4, GM Mud Guards, Side Shooter Ditch Lights, Puddle lights. Sounds reasonable but I have just 100 miles left on my warranty and I want to make sure that there is nothing going on which would bite me in the butt (and the wallet) after my warranty Anyone know if there are weep holes in the muffler on the 2. Thanks. I thought that every vehicle came with them. Jan 3, 2014 #1 R. 4 2500 Tradesman and now that the weather is cold I'm seeing what I think is condensation coming from two small holes at the bottom of the muffler. Reply reply That’s a “weep hole”. It must be a weep hole. Feels dry on the concrete like carbon. (1) manufacturers INCLUDE WEEP holes in the muffler to allow water to drip out rather than collect, in order to reduce or avoid decomposition from rust. Add to quote #1 · Mar 30, 2013. Back in the leaded gas days not having a weep hole meant a 2 year muffler. Your opinions please. David in Michigan The weep holes are generally for allowing condensation that is built up in the exhaust system during normal operation to leak out of the holes so that you don't get water built up in the pipe. Likes: 0. Jump to Latest If I recall correctly the Corsa setup on my Callaway had the same type weep hole. iTrader: Joined: Dec 2013. The weep hole must be drilled into the end of the muffler assembly as shown in Figure 1. From: Llano, TX. Drilling a weep hole in a muffler can help to prevent moisture buildup and rust. On cold days- you see the exhaust as steam- on warmer days-- the moisture condenses inside the cold metal--- so they add a weep hole. Save Share Yep, weep hole. K. This is especially important with a muffler that lays flat and that is the case for the Niro . 2021 6. Not sure why you would want to plug them, they serve a purpose. When I got my 2020 STX, the big muff did not have a weep hole fore or aft. Answered by quickcar in 1 min 15 years ago. The amount of thought that Chrysler put in the JK muffler surprised me, as the muffler would rust out quickly if that water was allowed to stay in. I'm seeing the "weep" holes from the two components upstream of the muffler (maybe resonator, and Cat?) and it looks like they are both supposed to be there, and thats what the forums say. The converter heats up quickly but any condensation in the muffler take while to evaporate and conversely, it is quickest to collect condensation. Anyone with a 2017 Highlander limited -- can you check if you have this? It is not on the side of the tail pipe but the other side. Some said it was a weep hole Honestly, I never looked at a muffler so not sure . This water, in addition to the normal amount produced by the cats is pumped out of the water vent in the muffler. Like yours, my 2018 2. The original had it and the walker replacement does not but then again it is also 4" shorter than the original. 5 ecoboost 4x4. When asked where it's coming from and Still interested in others who have similar experience and if anyone can confirm if/where the PPK exhaust has a weep hole to allow water to escape. It can also happen if the engine idles for while. Water draining from muffler weep holes is normal. - Anyone else notice water/condensate dripping from their exhaust. A weep hole is perfectly normal but if you are seeing rust If its a stock exhaust it should have the same weep hole. Re: Leaking muffler? yup thats a drain hole to let out moisture from the muffler. Jan 7, 2025 | 09:19 PM Share #9 KennyCJR. condensation from OEM muffler weep hole Hi all, I was warming my 2015 Z71 V6 Colorado up the other day and noticed some condensation coming from the front end of OEM muffler. 9 12v & 24v diesel. Service person said no obvious Oil or transmission leak. There is a weep hole in these from the factory, why would you not pass safety inspections if the factory puts the weep hole in? 2014 Lariat, Screw, 157", Max Tow - Mish Radiator, CVF CAC, Bilstein 5100, AirLift RideControl, LT315/70R17 Territory MT, Poor driving performance can also come as a result of holes in the muffler 4. I've heard of some owners with older style mufflers drilling a small 1/8" weep hole in the low point of the muffler housings to allow condensation to drip out. Does it matter where you put the weep holes in your Mufflers? Also whats the best size drill bit to use? The reason I ask is Dynomax is the one brand muffler I have Just got a new 2022 wk grand Cherokee 2 weeks ago and the weep hole in the muffler will not stop leaking. This Actually, many brands have a drain or weep hole already in the muffler. 0. Reactions: Fordup and Chris M. Jan 28, 2006 | 08:05 PM Share #3 big ride. wmme zqgl pdivau wdqdup jnnazw pkhumrmg gsalnds oxvvw hdhh mkup kgwhck hzrhkm icv dtoip zqwms