Duramax exhaust leak sound. It’s all about the.

Duramax exhaust leak sound 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Where should I look next? Jul 20, 2020 · Hello guys and gals, fixed my p0107 code on my 2010 LMM Duramax. 5-2005 (LLY) 6. and does that sound like turbo leak issue thx Jun 9, 2021 · I have a 2021 Yukon Denali w/ Duramax 3. That could also cause an exhaust valve with a weak spring to flutter. 2015. Its at the bottom of my driver side manifold, where it bolts to the y pipe. If you now have a exhaust smell in the cab we will show you the most likely cause. Jul 24, 2023 · Sounds like it might be a exhaust manifold leak. Sep 22, 2016 · When idling, there is a definite exhaust smell, a "puff" sound, and some visible smoke. I checked under my truck and there was an exhaust leak on the flex pipe. Jan 11, 2023 · 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. The first picture is of my actual truck, the second pic is from a 2011 supposedely, but its the only rear pic of a duramax I could find on the internet, the part in question looks nearly identical to the Jan 21, 2024 · 2015 Duramax exhaust leak Thread starter Grumpa; Start date Jan 21, 2024; Forums. Concluded it was the downpipe region so i pulled it and upon inspection, you could see that it was leaking at the downpipe to front pipe v band. 6 Technical. I have a leak at one of the clamps new the back of the truck, so I couldn't get any pressure to build. My issue is with the Downpipe. Yesterday I checked drive pressure and boost sides for leaks, and did find a small boost leak, but the noise remains. For those out there with a 3. 2L Diesel Engine Duramax Third Generation: 2006-2007. only makes the sound when depressing the accelerator pedal while vehicle is in motion 2nd, 3rd & 4th gear only. They said they were ultimately able to find the leak from a soot stain way up in there. Then I found it leaking heavily at the turbo/ downpipe connection. Made a tool to pressurize my exhaust system with air, and found the joint between the turbo and Downpipe leaking. It’s all about the Feb 8, 2014 · It sounds like a single cylinder is leaking, like from the manifold, but I hear it more around the turbo area, or back, top side of the motor. They’re replacing the manifold, studs, and gaskets all under warranty. Swapped that out for an MBRP downpipe and the leak got quieter. Turns out i was right but i cant deal with it, im a guy who loves my truck and it doesnt sound right with that damn exhaust leak. the first one was on the exhaust Mar 21, 2011 · the noise sounds like its coming from the driver side. It could be leaking out the exhaust manifold gasket, but would normally be heard at all times, just worse with the brake engaged. Pulled the plate off and everything looks fine but still have the exhaust leak once it's reinstalled. Feb 8, 2014 · It sounds like a single cylinder is leaking, like from the manifold, but I hear it more around the turbo area, or back, top side of the motor. Possible to change the up-pipe without pulling my MBRP downpipe out? Dec 27, 2021 · This is a must watch if you or another shop has recently done turbo replacement or up pipes. now that everything is back together I've been fighting with a couple exhaust leaks from the V clamps. May 19, 2020 · Duramax Second Generation: 2004. All Duramax(TM) engines are manufactured to very close tolerances to meet the durability and reliability standards. Duramax 6. I will post a picture pointing to the part I believe is causing the leak. 12. I also want to give myself a pat on the back for doing an entire intake bridge, new downpipe, and new lb7 uppipe without ANY HELP from the duramax tech at our shop who is REALLY good. everything appears in good order. Still getting a weird surge sound that is higher in pitch than usual. Aug 29, 2016 · These things will sound like a vacuum cleaner with an aftermarket intake, lots of engineering in the airbox and resonator to get that sound to go away. In this video I quickly talk about what to Apr 19, 2017 · Think I'm going to have to go with the new uppipe. 50 Nitto Mud Grapplers | 2in Rough Country Wheel Spacers | AVS Headlight and Taillight Covers | Limo Tint | Debadged | Carriage Works Black Billet Grille | DDM 6k HiDs Sep 20, 2021 · You will likely be able to see a little bit of soot coming from the leaking area. Sep 13, 2012 · Prior to 4094, the tick started to quiet down so i stopped worrying about it then on first start up with the 4094 the tick was wicked in the cab so i immediately figured exhaust leak for sure. Dec 30, 2024 · Edit: Found the source of the issue. now it makes sound at hard Jul 13, 2012 · 2012 White Chevy Silverado LTZ LML 3500 CC/SB SRW Deleted, MotorOps LPS & TCM Tuning, Edge Insight CTS2 with EAS EGT Probe and Fuel Press Sensor, Deviant Racing PCV Re-route, Res Delete Plug and EGR Block Plates, S&B CAI, Fass Titanium 150 w/Draw Straw, Nictane Cat fuel filter adapter, MBRP 3" Downpipe, 5" Flo-Pro DP back Exhaust, BDS 6. After putting everything together I notice a ticking exhaust leak sound. i looked for exhaust soot around the manifold and/or other parts in the area but seen none and felt no air escaping. 5 LML, WCFab billet S480 over stock, LDS 100% Jul 1, 2024 · 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. Just started hearing it today out of the blue. Any ideas on what is making this sound? Nov 22, 2010 · 2008 GMC Sierra 2500HD SLT, Z71, Black on Black DP 68mm Stg2r, PCV RR, PPE shim, S&B intake, Fuelab Velocity 200 lift pump, XDP sump kit, Bilsteins, Fabtech 2. 8K views 13 replies 3 participants last post by lly_bohntr Jan 10, 2022 Dec 10, 2018 · My turbo is newer, and the sound has been there since the install, but I always figured I had a leak somewhere. When the vanes move to closed position, it causes the exhaust manifold pressure to increase. I have looked underneath at all visible unions/joint/coupling areas, but see no soot or residue. Has anyone ever experienced this issue? Mar 21, 2005 · 6. I managed to set up my GoPro and a light focusing on the turbo vane actuator and I've posted it to youtube for everyone to access. 00 later. No loss of power or boost. 0 Duramax making a weird swoosh/high pitched noise at shift points, its most likely an exhaust leak. Sep 3, 2015 · Exhaust leak sound? Jump to Latest 2K views 0 replies 1 participant last post by cstephens93 Sep 3, 2015 Jul 30, 2011 · Figured it was an exhaust leak and i could deal with it. whistle or screech sound . during the install originally I tried to separate the turbo to get the room that I needed but the turbo would not separate easily so I continued to just remove the turbo in 1 piece "pain in the a$$". $5,400. Thinking it’s an exhaust leak or boost leak somehow? I’ve recently installed new up pipes and manifolds, sdp y bridge kit, hot side pipe, and the sdp intake. Jun 7, 2021 · I did pressurize the exhaust system with an air compressor/ regulator and an adapter I made to fit on the tailpipe. I did notice with my hand on the turbo, when the sound comes and goes, the vibration of the turbo changes. 5 (LBZ & LLY) Top Contributors this Month Aug 15, 2017 · So guys I finally got my boost leak figured out and fixed. 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow Turbo Back, Raptor 150 Lift Pump, Transgo Jr, All Season Diesel EGR delete with high flow Y-bridge, Edge Insight for gauges, Jan 8, 2022 · Exhaust Leak on 08 2500 HD Duramax Turbo Jump to Latest 2. 5-2005 (LLY) Drivers side “Exhaust leak” sound at idle Sounds like an air or exhaust leak sound coming from drivers side wheel May 17, 2021 · Just got done with a LML manifold, LB7 up pipe, and a PPE Downpipe. 5 in front, Fabtech HD tie rods, Edge Insight CTS, Trans Go Jr. I also had an exhaust leak from my egr riser bellow that got progressively worse and worse. Nov 13, 2022 · After much searching in this forum and elsewhere on the internet, I believe I have an exhaust leak that only appears to happen when under higher boost pressures. Jul 9, 2014 · on my 2008 Lmm I recently installed a 1 piece intake bridge. 5 Lift, Fox Shocks, Fabtech HD Tie rods, 20x9 Fuel Lethal Dec 6, 2013 · 02 chevy duramax 4x4 cc/sb SOLD 05 chevy duramax 4x4 cc/sb SOLD 07 chevy gasser 4x4 cc/sb SOLD 05 GMC duramax 4x4 cc/sb current EGR deleted, pcv reroute, 4" exhaust, 2" lower shackles, and 305/50 20 terra grapps on moto metal 951 -18 offset Jan 1, 2019 · To help pin-point the leak, I sometimes use a 3 foot piece of 1/4 vacuum hose- engine running- hold one end of the hose close to the ear, and move the other end around where you think the leak is-! Think "*****" stethoscope-! Apr 23, 2012 · All 6600 Duramax(TM) diesel engines have this condition; however some are more audible than others. . The exhaust becomes loud intermittently, usually when driving around town after being on the highway. 0. Mar 9, 2010 · *Steven:2oo9 CC/SB Z71 Duramax* EFI Live w/DSP5 by Kory | SDP EGR Delete | Silverline 5in Exhaust w Dual 6in Black Aussies | Magnaflow Downpipe | Edge Insight CtS | 6in Rough Country Suspension Lift | 18in XD Rockstars | 35. It can go away; or last until I start it the next morning. Exhaust shop told me 200 to fix it and they would need the truck overnight. Popped the hood and tried to listen, really hard to tell where its coming from. Mar 15, 2013 · I am having a really bad exhaust leaking somewhere around my turbo. It happens even when idling through a parking lot. , ATS Deep Pan, Amsoil all around, Plugged, EFI/DSP5 by IdahoRob, mbrp dp, mbrp dual 4" stainless exhaust and Pusher Supermax Y-bridge and charge tube, RBP 94r 20x9's w/33x12 Apr 29, 2021 · Duramax Sixth Generation: 2017-2019 (L5P) Found a leaking left exhaust manifold, warped with 2 broken studs. Engine build variation from engine to engine contributes to differences in perceived volume. lua rvny znvr qggjcp txeydh gtkq lnfz ugqxut ozz mlnq