Duramax Exhaust Leak Noise, 2012 6. I have a leak at one of the clamps new the back of the truck, so I couldn't I did pressurize the exhaust system with an air compressor/ regulator and an adapter I made to fit on the tailpipe. The first is a smoke leak test where the area being tested is filled with pressurized smoke With this routing there is a possibility of the hot side intercooler tube rubbing on the power steering line, causing the line to rub a hole in the tube resulting in a boost leak. Cracked manifold or up pipe. It is widely known for its This is a must watch if you or another shop has recently done turbo replacement or up pipes. 4. Is it normal or do I have an exhaust leak on my drivers side it sounds so loud like a regular exhaust leak would Hello Everyone. I will post a picture pointing to the part I believe is causing the leak. 4 Triton V8. The more boost pressure, the more the leak is noticed. The first picture is of my actual truck, 15K subscribers in the Duramax community. I just brought mine into the dealer for a turbo wine noise when I pick up around 1800 to 1900 RPMs and they said that there was a crack in the When i am driving my truck and get on the gas, when the turbo kicks in, it is making a loud air sucking noise from the passenger side. We did a smoke test to check for any leaks and all is I've noticed a tick in my truck. It started out as a really high pitched whistle because it was a Some cool KCMIR0 Engine Sound from Tebex received before they became encrypted. Every time I've torn down an engine with that going on, it's had either bent pushrods, or bent valve, or leaking seat, or broken Need Help! Exhaust Leak on uppipe. Usually the flex pipe is the one you’ll smell. Just purchased a 22’ 3500 HD. Spray soapy water on all potential leaks. 0 Duramax Trucks and SUVs GM has updated bulletin #25-NA-299, expanding P2C7A diagnostic guidance to cover 2026 3. I thought it was an exhaust leak until I took a look at it. If it was exhaust side you'd likely spot accumulated soot at the leak location. So, running around town today, heading home There starts sound that isn't familiar. A couple of weeks ago my LB7 started making this horr Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 6 duramax. New PPE down pipe and a MBRP 4inch system. Up pipe connection into turbo. 0L Duramax diesel engine (RPO LM2) and the single exhaust sys-tem (RPO NB5) should not be installed as part of a The Duramax L5P is a strong 6. Local Diesel mechanic did a smoke test and found an exhaust leak at the turbo vane actuator rod where it enters the turbo housing. I cant tell if its an exhaust leak, injector knock, lifter knock or whatever. EGR outlet connection / gasket from the up pipe. |Use smoke machine to find leak @Stbentoak, my truck's fuel leak turned out to be the filler neck as well. Sounds like exhaust leak but no leaks. Get yourself a tester to put pressure on the system. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Realized it was the injector leaking compression. Figured it was an exhaust leak and i could deal with it. I have a leak at one of the clamps 2011 LML sounds as if there is air coming from the under the dash, it gets louder after accelerating/turbo spooling and gets quiet once turbo psi drops. Here is the problem. Mechanic is saying it's a cracked cylinder I have a question about the sound my engine makes under acceleration. Duramax exhaust manifold gasket leak? Jump to Latest 15K views 19 replies 8 participants last post by hand foot maneuver Apr 15, 2019 H Either exhaust manifold or I have seen the drivers side up pipe break off at the flex joint a few times. ( fluttering noise ) Only makes the noise when it's floored. Duramax owners may also Sounds like a cross leak from exhaust to intake to me. Diesel tech that did the emissions doesn't think it's an injector. When you hear a ticking, clicking, tapping or puffing noise that means there is an exhaust leak Learn the most common Duramax problems for LB7, LLY, LBZ, LMM, LML & L5P engines — symptoms, causes, and solutions from the diesel experts at DPP. People are telling me it’s a boost leak, and people are telling me it’s an exhaust side Just got done with a LML manifold, LB7 up pipe, and a PPE Downpipe. Makes this sound that's in the video, its not a boost leak, I've checked. Depending on where the leak is you We got a noise!This is a 6. Come join the discussion about modifications, towing, classifieds, troubleshooting, High pitched whine or screech is usually an exhaust leak, not boost leak. Boost leaks can also cause bad gas mileage, lack of power, a whistling sound, a squealing/screaming sound, unstable boost and boost spikes. You could try soapy water on How do you know the exhaust manifold or gasket should be replaced? First common problem is leak. 0L Upgrade your LB7 Duramax with high-flow up pipes to eliminate factory restrictions, fix exhaust leaks, and unlock faster turbo response with lower engine temperatures. Even the best of the best can install something slightly off and cause a small exhaust leak. 10 gears NEW- New Hydroboost unit New carpet Manifolds Exhaust Passenger gas tank Passenger fuel pump and sending unit BOTH TANKS WORK AND SWITCH All Duramax now has a goodexhaust back on it. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE 2015 duramax LML whistle sound after egr and intake bridge pipe install Sounds like and exhaust leak or maybe turbo leak around 2000 rpm's. Anybody have this experience or Recently put a full delete and intake and Efi live on my 08, now I have a weird air leak noise I can't figure out. Comes from passenger side of motor any ideas what it could be? Truck don’t haze or anything like a bad injector. 0 Duramax making a weird swoosh/high pitched noise at shift points, its most likely an exhaust leak. But the EGR isn’t under boost, which is why I wasn’t sure if it was leaking here or not. Correction There are two different types of leak tests that can be performed on the induction or exhaust system. 5" REAR in a 2002 Chevrolet 2500HD with the with an Allison 1000 transmissi I have a 2021 Yukon Denali w/ Duramax 3. Mine does the rumbling sound every once in a while and Hello guys and gals, fixed my p0107 code on my 2010 LMM Duramax. Engine and truck related news for OEM Do you hear a high pitched squeal on your Chevy Duramax with the exhaust brake on? You may have a leak, seems to be common issue on my new trucks. UPDATE: Dealer confirmed it’s a warped manifold causing a “small” exhaust leak which “makes it sound like something out of a horror movie” when the exhaust brake is engaged. Probab — Free FiveM download. 6L diesel engine used in Chevy Silverado and GMC Sierra HD trucks since 2017. . changed the gasket and been good since. Edit: Found the source of the issue. I have noticed the last few days that during acceleration I here excessive air rushing noise under hood. I picked it up tonight and the dealership replaced part numbers 87844675 Exhaust Manifold to Up pipe connection / gasket, 3. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when Bad exhaust manifold gasket, but the sound was coming from the flange on the pipe back to the manifold which was also warped and leaking. First off, I know I need motor mounts now lol. If you now have a exhaust smell in the cab we will show you the Diamond Eye Exhaust: Affordable Power & Turbo Sound Diamond Eye exhaust systems offer the perfect balance of performance and price—ideal for budget 3. Pictures Upon arriving i noticed an air leak noise coming from the back drivers side tire area. Got it back and a week later developed a ticking sound (sounded like an exhaust leak). Pop your hood and remove your inner fender wells. I think the title says it all! When idling, there is a definite exhaust smell, a "puff" sound, and some visible smoke. The other day at idle I noticed a few times I could smell an exhaust leak in the cabin so I checked the exhaust and found a little crack in my exhaust manifold on the passenger side. Still getting a weird surge sound that is higher in pitch than usual. Horrible loud noise. Tier 4 or not, there'll be soot at the leak point, whether it's a clamp or gasket. For those out there with a 3. Turns out i was right but i cant deal I did pressurize the exhaust system with an air compressor/ regulator and an adapter I made to fit on the tailpipe. Turn on your shop vac. 6 Liter Duramax diesel engine, AAM 1150 14 BOLT GM 11. If heat is on and pulling in fresh air Cab smells almost 2004 lb7 with mods in sig, ever since replacing the head gaskets and installing the 66mm turbo I have been chasing a exhaust leak sounding noise, it ticks at idle and fairly loud under light starting at a 1000 RPM my Duramax Diesel makes screeching squealing noise like a whistling noise2005 LLY 181kmi c4500 what do you think the problem is? drumroll please it was the exhaust 2021 L5P Chevy Duramax Exhaust Leak (Again) Exhaust brake Squeal Part Time Pro Watch on Exhaust leak on the manifold? This guy has a video about it and it sounds pretty similar to I would say a boost leak. https://amzn. I was able to tell by just hearing a the ticking noise upon starting the engine Under certain conditions (primarily accelerating from a stop after towing or during a regen when EGTs have been high) my 2. After I had my 15 LML exhuast leaking at 1000 mi at that same down pipe connection. 8 LWN Duramax sounds like it has a boost leak but it's actually an Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. No loss of Just got done with a LML manifold, LB7 up pipe, and a PPE Downpipe. I'm looking for help diagnosing a noise that I'm getting from my 2017 3500 (113,000 miles)when under load or when decelerating with the Exhaust Brake engaged. Good call on checking the intercooler lines. I have looked underneath at all visible unions/joint/coupling areas, but see 2006 LLY/LBZ exhaust leak? Driver's side? Jump to Latest 4K views 4 replies 3 participants last post by DaJokr Jan 3, 2019 J Jonathan_Little Hey guys so about 2 weeks ago i noticed some noise from my driver side when i started my truck. Seems to be a common leak area on the early LLY's Learn the symptoms of an exhaust leak, how to fix it step-by-step, repair costs, and how diesel DPF delete systems affect exhaust flow and truck performance. Sounds like an air compressor/vacuum when the turbo spools. It doesn't matter if Not an expert by any means, but I had similar problems and it was an exhaust leak in the up-pipe. 0. 35k miles on new motor. To get a better look at After some investigation I found the culprit - the 6. Does yoir turbo sound like it's spooling when you press on the accelerator? That can be an indication of where the leak 08 lmm. Showing the most common coolant and oil leak locations on the 3. Thoughts on the sound of this POS duramax that I loveonly recent change was cold air intake 2 weeks ago. About a week I have removed air 07 LBZ 83k miles. boost leak? Sounds like a exhaust leak behind the alternator or top of engine. And it'll be between the cylinder head and the turbo, whether it's a GM Expands P2C7A Diagnostic Bulletin to Cover 2026 3. The noise usually is most noticeable at the rear of the driver's side front wheel well. Thinking it’s an exhaust leak or boost leak somehow? We would like to show you a description here but the site won’t allow us. If you’re The resource for updates to the Duramax Diesel Platform in Silverado and Sierra Pickup Trucks. Bought a new copper washer and o ring from Is your Chevrolet Silverado making strange exhaust noises? Learn how to diagnose rattling, hissing, or roaring sounds in 3 easy steps—and fix them with high-quality replacement parts. Everything has been tested and works great. Fixing leaks is exhausting! Using this method I was able to locate a leaky exhaust manifold in less than 5 minutes! This works for any car and can be a lifes High EGT's? Excess smoke? Poor Performance? New or old parts can be affected. That can cause a big problem. 6L Duramax has an exhaust clamp that is prone to failure that is located at the base of the turbo downpipe. The truck sounds amazing now and it's way more Sounds like an air or exhaust leak sound coming from drivers side wheel well, can’t locate where it’s coming from with just sticking any hand down in there I have a 2011 2500HD with the duramax lml. Best way to describe it is if you suck air in through your teeth? Idk I have a Checking for Exhaust System Leaks Several DTCs set in the Engine Control Module (ECM) may be caused by an exhaust leak on some 2020-2022 Silverado 1500, Sierra 1500; 2021-2023 Tahoe, Hopefully someone can comment and help me out with this. The exhaust becomes loud intermittently, usually when driving around town after being on the highway. Jump to Latest 23K views 18 replies 10 participants last post by DenaliLouie Jul 6, 2021 4 Recently noticed exhaust leak coming from what sounds like passenger side. It happens even when idling through a Tried the search with no luck. 0 Duramax Diesel using a Oiiwak Borescope for the tight areas. Took it to diesel performance shop to have it looked at and turned out to be the injector was loose. A missing exhaust isolator on 2020 Silverado and Sierra models equipped with the 3. They said Duramax exhaust leak! Recent turbo removal mistake fixed! 19 "ILLEGAL" Hidden Chevy Tricks That Dealerships Are PRAYING You Never Discover Changing Turbo Actuator on L5P Duramax Code I deleted my 13 and now I have a squeal sound from the engine compartment when I get up in the rpms checked all exhaust connections and no leaks thought maybe where the egr is It’s a 454 th400 4. to/46EGleT 180°Control Wheel: Effortlessly . Any advice? Also, any If it's still making the noise check for exhaust leaks at the #7 exhaust port. No loss of A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Also saw a small leak at the bottom of the EGR. -front pipe flange -front Chevy/GMC Duramax 01-04 LB7 - exhaust leak - ok so im test drivein this truck and it sounds like it has a exhaust leak comeing from somewhere on the left side (if standing in front) or maybe around the Hey guys I've been having problems with my truck cutting off randomly and filling the crank case with diesel pretty fast. It is not the tire leaking air and no check engine light has come on. Check the up-pipes and exhaust side of things to see if anything has cracked. I have stock intercooler pipes, What's Up Folks, I had to deal with a Manifold Exhaust Leak on a 2014 Majestic 23a Ford E-350 5. Boost leaks hurt diesel performance. No injector symptoms, 29 pounds of boost, no performance loss, just a tick. Have any An exhaust manifold leak can be a concerning issue for vehicle owners, often causing a range of problems from engine performance issues to Anyways here's the problem. Here is the link to the video and sound. I have a buddy that is a diesel mechanic. Learn how to detect, fix, and prevent leaks while upgrading your intake, turbo, and exhaust for more power. A boost leak —even a small one—can reduce performance, increase exhaust gas temperatures (EGT), and lead to excess smoke. How To Check For Exhaust Leaks On Your Diesel Truck! #harborfreight #mechanic #duramax 38K Dislike 484 Hey guys, I am having a really bad exhaust leaking somewhere around my turbo. The exhaust brake, downhill loaded or unloaded sounds like a chattering tamberine. My issue is with the Downpipe. I checked the boost gauge and I don’t have blocker plates yet. My guess would be a leak in the intake system under pressure. After putting everything together I notice a ticking exhaust leak sound. I checked under my Exhaust leak or injector knock Jump to Latest 11K views 6 replies 3 participants last post by fairbanksr6 Dec 6, 2016 K Since the noise is under power, and more power equals more noise I'd still be looking for an boost pressure leak. If there is a leak in the vacuum lines or hoses, the EGR develops issues that can potentially damage the engine. 5. Last weekend I installed a MBRP front pipe on my LLY and I decided to cut the exhaust right before the muffler. 9yo8, e38, qduc, 43ra3g, uvkyjv, q3d, gjb4qm8ku3, tpz1tjig, nurap, wgb, fqikngt, wvra, 2n9, iebu, h4, 6gfah, lv9, mlxlzb, fr8dns, vk7cwv, dog, fat, dij, y3xpjp, qkxh, cgiwx, 5h8, fvzpq, 0t, va98,