So I brought the car back to the dealer at only 380 miles. Thanks again for the responses and idea's. The only change in the truck is around the same time I unplugged the EGR. 2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Recommended Communities Cummins Diesel Forum. Turbos need a few minutes to receive proper lubrication once the engine is started. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. It's a high pitch sound coming from underneath the vehicle. 6L Duramax LLY Magnaflow DP, 5" Magnaflow turbo back straight pipe Goose2448. Jan 12, 2012 · Discussion Starter · #1 · Jan 12, 2012 (Edited) My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. When I am accelerating around 2-3k RPM I hear a whistling/squealing sound. If you notice a loud squeal when accelerating, especially if your car is just warming up, it could be that . 1 L and I poured in SDP Compound twin kit for 2 C Powerstroke Diesel Forum 232K+ members Coupled with diesel fuel, engines like the available Duramax® 3 2009 Hyundai i30 Diesel has all of a sudden started making a whistling, almost siren sound when accelerating 2009 Hyundai i30 Diesel has all of a sudden started making a whistling, almost. To know if the fuel pump is bad or not, you need to check the fuel pressure. My gas mileage has also dropped about 2 miles p/gallon. every time you put extra stress on the engine. This may be due to air moving through the front vapor valve fresh air vent tube during fuel fill, acceleration or braking. About a month ago we started to notice this high-pitched whine sound when accelerating. Log In My Account ip. It happens in every gear and only occurs when accellerating no matter what gear i am in it occurs at the same rpm. This message is in regard to Duramax turbocharger noises or possibly a performance or a fuel economy complaint. May 17, 2020 · Duramax Third Generation: 2006-2007. Leveled front end, stock height rear end. So if you're noticing that your vehicle is accelerating slower and showing a lack of power, this could mean your turbo isn't working as it . Worst scenario is. So I brought the car back to the dealer at only 380 miles. Aug 20, 2009 · I think your high pictch wine might be boot off one of the turbos or some big pressurized rubber hose just barley slipping off or close to it to where a little of that high pressure is leaking causing the loudest whistle you've ever heard. So I brought the car back to the dealer at only 380 miles. Jul 11, 2015. 8 liter,. Log In My Account ip. It doesn't make the noise when it's in park and revving it up. I have a stock 07. Lightly touch the accelerator and get back into the throttle. 2014 VT manual. No CEL. cold air intake. Jul 11, 2015. Jan 12, 2012 · My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. 9,377 Posts. The factory bend is wrong and was fixed mid 12 on up. It happens in every gear and only occurs when accellerating no matter what gear i. Recently the truck has developed a whistle during hard acceleration or when using the exhaust brake. #10 · Jan 7, 2020. #16 · Jul 28, 2017. It has gotten worse since it has gotten colder. Joined Jun 9, 2012. can these be rebuilt easily. Does anybody know what this sound could be. Under acceleration, from 2000rpm upwards I am getting a whistle coming from the front passengers side. 5 3500 automatic with 153,000 miles. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. cold air intake. Turbos need a few minutes to receive proper lubrication once the engine is started. Once up to speed it's gone Any thoughts?. Getting the belt tightened and the whole assembly realigned, might solve your problem. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. 121 Posts. May 27, 2009 · It occurs under slight acceleration at relatively slow speeds and sounds like a high-pitch whistle (not very loud though). Once up to speed it's gone Any thoughts?. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. About a month ago we started to notice this high-pitched whine sound when accelerating. Search this website. Search: Deceleration Whine. I get more of a whistle while the truck is going through the cycle. 3L 4x4 Crew Cab Tested We dig the noises the V-8 makes under hard acceleration and the lack of any noise at all when just half its pots are boiling. Aug 14, 2020 · Duramax Engine LLY 2004. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. No boost. Example of savings, Nissan was going to charge me approximate $160 per check light x (3), his price was under $100 and came with a full diagnostic and fixed my heater for It'll stop for a while, with the fan still running, and then 5-10 minutes later the whine starts again for at least a half an hour get a whining noise from lower right side of. It happens at low boost pressure and . No boost. The truck runs great other than the whine during deceleration. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Almost imediately I noticed a high pitched squealling noise appearing around 2500-3000rpms everytime I accelerated from a stop. I have a stock 07. If it only makes noise when moving it is most likely the center support bearing (only if you have a 2-piece driveshaft), wheel bearing, pinion . just looked and there r a few on ebay. 8L Duramax Turbocharger Failure. It is not an intermitant sound it happens every time I drive the truck. Jul 11, 2015. I guess I would compare the noise to a alternator whine on your am radio. Duramax whistle during acceleration. It happens in every gear and only occurs when accellerating no matter what gear i am in it occurs at the same rpm. Sep 23, 2016. This noise had started earlier but now it's more often, I don't think it is the Turbo. Excessive turbocharger or whine . We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. its worth the 2 minutes it would take to look at your blades for wear. The whining noise is missing now. • Split hoses. Cracked boots, elbow, warped ring connector between the two rubber boots, etc. it is under load so it is not a vacuum leak as the vacuum is low under acceleration and high under deceleration or idle. its worth the 2 minutes it would take to look at your blades for wear. Lower pitched than turbo whistle. I heard it in gears 1-3 and possibly 4. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. • Split hoses. Sent from my SM-N910V using Tapatalk. A boost . No boost. They told me that they were having trouble hearing it and that something might be breaking in. jc1843 said: It is probably caused by the vanes in the turbo-- they are controlled by the ECM. Jun 13, 2014. Thanks again for the responses and idea's. No boost. Some of the vehicles listed may exhibit a whistle noise from the throttle body area during light acceleration if they are equipped with a. In turbocharged diesel engines, combustion noise is less dominant at high-speed and high load steady-state conditions but can become dominant at idle, light-load or under acceleration [2490] Plug And Play Car Stereo Human diesel, turbo and vtec sounds with my mouth Human diesel, turbo and vtec sounds with my mouth. • Split hoses. I had this problem right after my dealer replaced my High Pressure Fuel Pump. I have a 2019 Duramax with 50,000 miles, and I've noticed lately during acceleration that there is a whine like sound coming from the right side of the truck during acceleration. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. indicates a gas leak or possible blockage from failed cat converter. Jan 12, 2012 · My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. Mar 20, 2015 · GM Diesel Engines Duramax Third Generation: 2006-2007. I believe it may have been the water pump because with it off the engine and when I spin it by hand it makes noise the faster it spins the higher it gets. It's been getting louder and louder lately. Symptoms of 2. Joined Jul 31, 2004. Mar 20, 2015 · But lately it seems to be getting louder. 2007 3500 GMC Classic SLT Duramax LBZ 4WD 4DR Sun Roof Long Bed Straight Pipes EGR Blocker Plate PVC reroute 1R-0749. • Compressor wheel damage. 8L DuramaxTurbocharger Failure. Jul 12, 2015 · Jul 11, 2015. Under light acceleration up to about 3psi boost. I chased a whining sound like that for at least a year. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. The long and short of it is I've just received some pictures and a bit of info on this cool supercharged Duramax from the ic. Easy fix is to just rotate the hose 180*. Aug 20, 2009 · I think your high pictch wine might be boot off one of the turbos or some big pressurized rubber hose just barley slipping off or close to it to where a little of that high pressure is leaking causing the loudest whistle you've ever heard. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. From all out performance builds running 8. gordonf said: As long as I can remember, when I slightly accelerate, my car tends to make a high whistling sound. The whistle you hear when letting off the gas/shifting is the blow off valve 36ème Turbo 23_01_1988 4x4 Espace Renault, Range Rover Diesel Turbo, Toyota LJ70 Turbo P1 סרטונים קשורים (7 Wynn’s Diesel Turbo Cleaner is a chemical treatment for all diesel engines that clears blocked turbochargers Whistle; Truck; Turbo-diesel. Thought was exhaust leak but just went through all of that couple weekends ago. #2 · Apr 19, 2018 You will hear some turbo whine when the engine is under heavier load; it was very noticeable in my 2001 and 2006 Duramax equipped pickups. As I was accelerating it would whistle, when I would let off it would stop. Jul 12, 2015 · Duramax 6. Later models got the 6L90 6-speed transmission, and the GMC Sierra 2500HD 6 There is a lot of Allison 1000's out there I suspect unni is correct Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox!Oceanlab feat Mechanical wear causes excessive metal buildup in the transmission,. Once I hit 20mph or so there's a very loud whine when accelerating but is quiet when you're not touching the gas or if in neutral revving it there's no noise as well. Jan 12, 2012 · My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. From all out performance builds running 8. #2 · May 27, 2009. Symptoms of 2. Duramax whistle during acceleration Later models got the 6L90 6-speed transmission, and the GMC Sierra 2500HD 6 There is a lot of Allison 1000's out there I suspect unni is correct Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox!Oceanlab feat Mechanical wear. The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. 16valex said: If it sounds like a jet airplane taking off than it's your engine mechanical fan clutch, if it sounds like a whistle than you have crack in your air intake. Business inquiries: dpturner486@gmail. I'm thinking it is turbo noise. With an exhaust leak, the muffling of the noise is cut short, making the noise louder. 2014 VT manual. Black smoke means it is injecting fuel that it can't burn. it does and like i said its during hard acceleration. When I feather the throttle a bit I can make it go away but as soon as I get back into it a bit it comes back. Sometimes it doesn't happen at all. After I installed a boost gauge I noted that the whine was emitted when the boost level was about 2 PSI. Jul 8, 2021. 2014 VT manual. Discussion Starter · #1 · Jul 8, 2021 (Edited) My '18 Colorado Duramax with about 33,000 miles produces a fairly loud whistle under acceleration. 4L, recently when I accelerate I get a whining noise, and the faster I accelerate the louder it gets. Symptoms of 2. I have read the threads about bent turbo blades, so I removed my intake hose and looked. The pinion will try to pitch up on acceleration and cause excessive miss alignment leading to vibration under load. May 2, 2009 · Almost imediately I noticed a high pitched squealling noise appearing around 2500-3000rpms everytime I accelerated from a stop. Mar 30, 2012. Dec 5, 2019. 1,218 Posts. Luckily, here is a more detailed list of the 6 most common symptoms of a boost leak: 1. Discussion Starter · #1 · Jul 8, 2021 (Edited) My '18 Colorado Duramax with about 33,000 miles produces a fairly loud whistle under acceleration. Under light acceleration up to about 3psi boost. Five Signs of Turbocharger Failure · 1. I'm wondering if it's a regenp problem. Thanks again for the responses and idea's. With the newer model trucks, the turbo whistle (especially when first spooling) is due to the VGT turbos. 2004 - 2008 Ford F150 - Whining during acceleration - I have a 2007 F150 Lariat 4x4 5. All new fluids. 285/75/r17 tires. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. Which air intake are you referring to? Is this the same thing as a vacuum leak? M mcolozzi Registered. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. I don't notice any effect on the performance. The problem is that when I am accellerating under load at about 1500 rpm's I get a very high pitched whine. If there is you will need to replace the left valve cover Things to check 1st, Coolant Level A bad PCV valve or related component can produce a number of symptoms 23 - $8 Mike says: 15 November, 2019 at 4:42 pm Mike says: 15 November, 2019 at 4:42 pm. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. May 17, 2020 · Roswell, there is no black smoke. My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. It happens in every gear and only occurs when accellerating no matter what gear i. Jan 12, 2012 · My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. Mar 30, 2012. I chased a whining sound like that for at least a year. Jul 12, 2015 · Jul 11, 2015. 5 (LBZ & LLY) Whine noise during deceleration. flmbokep, damsel in distress flirting
It's been getting louder and louder lately. . Duramax whistle during acceleration
Some trucks will go to high idle upon startup and actually command the variable geometry turbocharger to make as . Once you get off the throttle that compressed . Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Weird part is when revving while. The good news is that there are upgrade compressor wheels that will give you a bit more flow across the board and will whistle at the girls as you drive by. No boost. Worst scenario is. Power Steering Problems. Thanks again for the responses and idea's. Jan 13, 2010 · 498 Posts. its not the turbo i can hear that separately and it seams to only happen during acceleration and my steering is getting stiffer at startup and taking a little bit more to brake so i think its just power steering fluid needs to be checked 2006 Chevrolet Silverado 2500 6. 2007 2500HD LBZ 120,000 miles. Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Worst scenario is. The factory bend is wrong and was fixed mid 12 on up. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. Thanks for any input. This may be due to air moving through the front vapor valve fresh air vent tube during fuel fill, acceleration or braking. Nov 24, 2017. • Compressor wheel damage. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. • Split hoses. Thanks again for the responses and idea's. Save Share. No boost. Question: Jump to Latest Follow 1 - 9 of 9 Posts. Jan 12, 2012 · My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. Afe blade runner turbo intake horn, edge jammer intake with banks ram air scoop, mbrp 4. This message is in regard to Duramax turbocharger noises or possibly a performance or a fuel economy complaint. Turbo?? Or is this normal? My LLY didn't sound like this. I dont have a aftermarket gauge to read egt's or other info. I'm thinking it is turbo noise. it does and like i said its during hard acceleration. Recently the truck has developed a whistle during hard acceleration or when using the exhaust brake. LMM: ODD whistle while accelerating. Discussion Starter · #1 · Aug 20, 2009. Also check the sensors that screw into boost tubes, they can come loose and leak creating a whistle. • Over boosting (potentially caused by a wastegate fault) or poor remap. Sounds much better now thanks for your help. Worn or otherwise compromised drive belts are a common cause of noises when accelerating. TSB-122-11 released Sept 1 2005 TC012-05 WHISTLE/HOOT NOISE FROM AUTOMATIC TRANSAXLE Some 2003 – 2006 model year Corolla vehicles equipped with the 1ZZ–FE engine and an automatic transaxle (ATM) may exhibit a “whistle” or “hoot” noise under light acceleration at 35 – 40 mph (56 – 64 km/h) with the ATM at normal operating. The sound is unlike any of my friends have experienced with their GM diesels (04-06-09). The truck runs great other than the whine during deceleration. Turbos need a few minutes to receive proper lubrication once the engine is started. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. Once I hit 20mph or so there’s a very loud whine when accelerating but is quiet when you’re not touching the gas or if in neutral revving it there’s no noise as well. #10 · Jan 7, 2020. #2 · May 27, 2009. Symptoms of 2. All new fluids. My gas mileage has also dropped about 2 miles p. #2 · Apr 19, 2018 You will hear some turbo whine when the engine is under heavier load; it was very noticeable in my 2001 and 2006 Duramax equipped pickups. Qty: Add to Cart See Details GM Duramax Rear Engine Cover Adapter Housing Gasket (2001-2018. Question: Jump to Latest Follow 1 - 12 of 12 Posts BIGFOOT1 Registered Joined Apr 5, 2020 14 Posts Discussion Starter · #1 · May 17, 2020 Hello guys, my lbz has always made a whine noise when I am decelerating. Thought was exhaust leak but just went through all of that couple weekends ago. The truck runs great other than the whine during deceleration. Bilstein shocks all around. This noise had started earlier but now it's more often, I don't think it is the Turbo. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. The only mod is a cold air intake. com Here we installed a Hydroboost on the editor, Jerrod Jones, of Off-Road Magazine's truck. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. 3L 4x4 Crew Cab Tested We dig the noises the V-8 makes under hard acceleration and the lack of any noise at all when just half its pots are boiling. Usually it would whistle at any acceleration once I was about ~1800 rpms. This could be timing, excess fuel flow or insufficient air flow. There have not been any codes. So I brought the car back to the dealer at only 380 miles. Jun 2, 2006. 8L Duramax Turbocharger Failure. Check for a cracked manifold or cracked flex section at the manifold. It eventually got to where the sound would be constant, so we took it in to the dealer who said it was a sheared bolt on the exhaust manifold. Some trucks will go to high idle upon startup and actually command the variable geometry turbocharger to make as . No boost. there is a extremely loud and high pitch whistle totally different sounding . The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. 1,413 Posts. Jul 12, 2015 · Duramax 6. My gas mileage has also dropped about 2 miles p. Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. I had this problem right after my dealer replaced my High Pressure Fuel Pump. Once up to speed it's gone Any thoughts?. Also the engine fan will come on when you first start, because the fluid in the fan clutch assy is cool. The only change in the truck is around the same time I unplugged the EGR. My 2014 SRT8 has gear whine from the rear diff when under light acceleration or light deceleration around 40 to 60 mi/h vehicle speed 2012-14 Mazda3, 2013-14 CX-5, 2014 Mazda6 Whining Transmissions Seldom people know that some automatic gearbox gear oil and differential oil is separately like 911 ,so don't About 6 months back I replaced the y. Also the engine fan will come on when you first start, because the fluid in the fan clutch assy is cool. Those are 12mm iirc and . Discussion Starter · #1 · Oct 21, 2005 When I accelerate a hissing sound occurs. As I was accelerating it would whistle, when I would let off it would stop. I heard it in gears 1-3 and possibly 4. Different air filter and exhaust . . the song of the mud theme