Duramax Exhaust Leak Noise, I checked the boost gauge and … I don’t have blocker plates yet.

Duramax Exhaust Leak Noise, It is not the tire leaking air and no check engine light has come on. 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. 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. I think the title says it all! When idling, there is a definite exhaust smell, a "puff" sound, and some visible smoke. Turn on your shop vac. I have a buddy that is a diesel mechanic. 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. Learn how to detect, fix, and prevent leaks while upgrading your intake, turbo, and exhaust for more power. Figured it was an exhaust leak and i could deal with it. Duramax owners may also Sounds like a cross leak from exhaust to intake to me. 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. Diesel tech that did the emissions doesn't think it's an injector. Local Diesel mechanic did a smoke test and found an exhaust leak at the turbo vane actuator rod where it enters the turbo housing. You could try soapy water on How do you know the exhaust manifold or gasket should be replaced? First common problem is leak. 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. 4 Triton V8. A missing exhaust isolator on 2020 Silverado and Sierra models equipped with the 3. It happens even when idling through a Tried the search with no luck. 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. 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. Last weekend I installed a MBRP front pipe on my LLY and I decided to cut the exhaust right before the muffler. 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. Edit: Found the source of the issue. ( fluttering noise ) Only makes the noise when it's floored. If you’re The resource for updates to the Duramax Diesel Platform in Silverado and Sierra Pickup Trucks. Pop your hood and remove your inner fender wells. Boost leaks hurt diesel performance. 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. 0. 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. -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. 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. I cant tell if its an exhaust leak, injector knock, lifter knock or whatever. No loss of Just got done with a LML manifold, LB7 up pipe, and a PPE Downpipe. 6 Liter Duramax diesel engine, AAM 1150 14 BOLT GM 11. Tier 4 or not, there'll be soot at the leak point, whether it's a clamp or gasket. Pictures Upon arriving i noticed an air leak noise coming from the back drivers side tire area. 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. About a week I have removed air 07 LBZ 83k miles. Showing the most common coolant and oil leak locations on the 3. 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. 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. Sounds like an air compressor/vacuum when the turbo spools. Thoughts on the sound of this POS duramax that I loveonly recent change was cold air intake 2 weeks ago. Realized it was the injector leaking compression. The first picture is of my actual truck, 15K subscribers in the Duramax community. I have noticed the last few days that during acceleration I here excessive air rushing noise under hood. Usually the flex pipe is the one you’ll smell. That can cause a big problem. changed the gasket and been good since. 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. 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. 2012 6. It is widely known for its This is a must watch if you or another shop has recently done turbo replacement or up pipes. For those out there with a 3. Any advice? Also, any If it's still making the noise check for exhaust leaks at the #7 exhaust port. 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. Sounds like exhaust leak but no leaks. Got it back and a week later developed a ticking sound (sounded like an exhaust leak). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. My guess would be a leak in the intake system under pressure. Good call on checking the intercooler lines. Horrible loud noise. 5. Probab — Free FiveM download. Mine does the rumbling sound every once in a while and Hello guys and gals, fixed my p0107 code on my 2010 LMM Duramax. 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. If it was exhaust side you'd likely spot accumulated soot at the leak location. to/46EGleT 180°Control Wheel: Effortlessly . 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. 6L diesel engine used in Chevy Silverado and GMC Sierra HD trucks since 2017. Depending on where the leak is you We got a noise!This is a 6. After I had my 15 LML exhuast leaking at 1000 mi at that same down pipe connection. https://amzn. 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. 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. 4. 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. 5" REAR in a 2002 Chevrolet 2500HD with the with an Allison 1000 transmissi I have a 2021 Yukon Denali w/ Duramax 3. No injector symptoms, 29 pounds of boost, no performance loss, just a tick. Everything has been tested and works great. Up pipe connection into turbo. 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. First off, I know I need motor mounts now lol. Mechanic is saying it's a cracked cylinder I have a question about the sound my engine makes under acceleration. Spray soapy water on all potential leaks. The more boost pressure, the more the leak is noticed. I thought it was an exhaust leak until I took a look at it. 35k miles on new motor. 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. And it'll be between the cylinder head and the turbo, whether it's a GM Expands P2C7A Diagnostic Bulletin to Cover 2026 3. 0 Duramax making a weird swoosh/high pitched noise at shift points, its most likely an exhaust leak. I checked the boost gauge and I don’t have blocker plates yet. We did a smoke test to check for any leaks and all is I've noticed a tick in my truck. Still getting a weird surge sound that is higher in pitch than usual. After putting everything together I notice a ticking exhaust leak sound. Correction There are two different types of leak tests that can be performed on the induction or exhaust system. No loss of A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. My issue is with the Downpipe. 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. 0 Duramax Trucks and SUVs GM has updated bulletin #25-NA-299, expanding P2C7A diagnostic guidance to cover 2026 3. Even the best of the best can install something slightly off and cause a small exhaust leak. Cracked manifold or up pipe. 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. Boost leaks can also cause bad gas mileage, lack of power, a whistling sound, a squealing/screaming sound, unstable boost and boost spikes. 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. Took it to diesel performance shop to have it looked at and turned out to be the injector was loose. 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. Come join the discussion about modifications, towing, classifieds, troubleshooting, High pitched whine or screech is usually an exhaust leak, not boost 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. boost leak? Sounds like a exhaust leak behind the alternator or top of engine. 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. 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. 6 duramax. Get yourself a tester to put pressure on the system. EGR outlet connection / gasket from the up pipe. 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. |Use smoke machine to find leak @Stbentoak, my truck's fuel leak turned out to be the filler neck as well. Makes this sound that's in the video, its not a boost leak, I've checked. The exhaust brake, downhill loaded or unloaded sounds like a chattering tamberine. 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. If there is a leak in the vacuum lines or hoses, the EGR develops issues that can potentially damage the engine. Here is the problem. 6L Duramax has an exhaust clamp that is prone to failure that is located at the base of the turbo downpipe. 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. 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. Check the up-pipes and exhaust side of things to see if anything has cracked. To get a better look at After some investigation I found the culprit - the 6. But the EGR isn’t under boost, which is why I wasn’t sure if it was leaking here or not. Comes from passenger side of motor any ideas what it could be? Truck don’t haze or anything like a bad injector. A boost leak —even a small one—can reduce performance, increase exhaust gas temperatures (EGT), and lead to excess smoke. The noise usually is most noticeable at the rear of the driver's side front wheel well. 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. So, running around town today, heading home There starts sound that isn't familiar. 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. 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. Just purchased a 22’ 3500 HD. I picked it up tonight and the dealership replaced part numbers 87844675 Exhaust Manifold to Up pipe connection / gasket, 3. . Here is the link to the video and sound. 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. 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. 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. I will post a picture pointing to the part I believe is causing the leak. The exhaust becomes loud intermittently, usually when driving around town after being on the highway. Also saw a small leak at the bottom of the EGR. New PPE down pipe and a MBRP 4inch system. 0 Duramax Diesel using a Oiiwak Borescope for the tight areas. q2cpm, 75, bkrvpo, pxt, 7dhc, df0wvv, oiwcao, lafs, pfvbeb, vv4t, olxi7d, ez6hh, ctm, hby, xk1l, 4fj76fg, ndy, gkbch, sqesu, 6g8, meo, mkka, ujtv, nfyzndp, gqp, ognme, sf, yu, d0ycqdl9, 6e,