Once up to speed it's gone Any thoughts?. Thankfully, these problems are rarely terminal, and can be repaired/resolved by a competent turbo. Since the smoke goes away when you let off that's a good sign. indicates a gas leak or possible blockage from failed cat converter. Under light acceleration up to about 3psi boost. If you hear a high-pitched whistling sound from your Cummins engine, there's a good chance it involves a boost leak. 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. Leaning toward pulley noise. Worst scenario is. Search: Deceleration Whine. To know if the fuel pump is bad or not, you need to check the fuel pressure. Thanks again for the responses and idea's. Thanks for any input. They told me that they were having trouble hearing it and that something might be breaking in. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. There have not been any codes. 8L Duramax Turbocharger Failure. May 17, 2020 · Roswell, there is no black smoke. Since the smoke goes away when you let off that's a good sign. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. indicates a gas leak or possible blockage from failed cat converter. Thanks again for the responses and idea's. Jun 26, 2010. I heard it in gears 1-3 and possibly 4. No boost. #4 · Feb 12, 2020. Some of the vehicles listed may exhibit a whistle noise from the throttle body area during light acceleration if they are equipped with a. 5 (LBZ & LLY) WHINING NOISE WHEN ACCELERATING Jump to Latest Follow 1 - 14 of 14 Posts Dieselhillbilly Registered Joined Jul 9, 2008 158 Posts Discussion Starter · #1 · Mar 20, 2015 I guess it's always been there somewhat. Once up to speed it's gone Any thoughts?. 6 Technical. High pitch from engine and only under load. I dont have a aftermarket gauge to read egt's or other info. Turbos need a few minutes to receive proper lubrication once the engine is started. Oct 6, 2021. 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. About a month ago we started to notice this high-pitched whine sound when accelerating. No CEL. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Since the smoke goes away when you let off that's a good sign. It doesn't make the noise when it's in park and revving it up. Usually it would whistle at any acceleration once I was about ~1800 rpms. Jul 12, 2015 · Jul 11, 2015. whitemax&al Registered Joined Dec 15, 2010 662 Posts #15 · Feb 28, 2013 the plastic thing that says 6. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. All new fluids. Duramax whistle during acceleration. If you hear a high-pitched whistling sound from your Cummins engine, there's a good chance it involves a boost leak. 5 (LBZ & LLY) WHINING NOISE WHEN ACCELERATING Jump to Latest Follow 1 - 14 of 14 Posts Dieselhillbilly Registered Joined Jul 9, 2008 158 Posts Discussion Starter · #1 · Mar 20, 2015 I guess it's always been there somewhat. Different air filter and exhaust . I've had several friends ride along and they tell me it's not normal to be this loud. 8L Duramaxmight notice a whining noise duringacceleration, while in gear, or in neutral. Cracked boots, elbow, warped ring connector between the two rubber boots, etc. 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. May 17, 2020 · Duramax Third Generation: 2006-2007. Dec 12, 2018. Find causes of rear differential noise, wheel bearing noise, and more, including differential noise when accelerating and bad differential . The only change in the truck is around the same time I unplugged the EGR. 5-2005 (LLY) 6. Given below are the top reasons why a Chevy truck could lose power while accelerating along with the symptoms you need to look out for and the solution to the issue: 1. Once up to speed it's gone Any thoughts?. Oct 6, 2021. Any movement or missing blade bits indicate the need to rebuild it. My local dealership claimed they checked the air induction and exhaust system without finding any leaks. Just bought an 01 1500 4x4 5. If I give it any throttle the noise goes away. 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. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. So, there is that initial push when accelerating from 0mph due to the engine . Getting the belt tightened and the whole assembly realigned, might solve your problem. My gas mileage has also dropped about 2 miles p/gallon. 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. Business inquiries: dpturner486@gmail. The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. indicates a gas leak or possible blockage from failed cat converter. I have a stock 07. Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. 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. This noise had started earlier but now it's more often, I don't think it is the Turbo. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. 8L Duramaxmight notice a whining noise duringacceleration, while in gear, or in neutral. Jun 23, 2022. Low Fuel Levels. The following information describes these noises: • Rhythmic Ticking: This is a rhythmic ticking that can be heard during deceleration. The pinion will try to pitch up on acceleration and cause excessive miss alignment leading to vibration under load. With an exhaust leak, the muffling of the noise is cut short, making the noise louder. its ok around town and gradual increases. I dont have a aftermarket gauge to read egt's or other info. I'm thinking it is turbo noise. Turbos need a few minutes to receive proper lubrication once the engine is started. Turbos need a few minutes to receive proper lubrication once the engine is started. A boost . 5 (LBZ & LLY) WHINING NOISE WHEN ACCELERATING Jump to Latest Follow 1 - 14 of 14 Posts Dieselhillbilly Registered Joined Jul 9, 2008 158 Posts Discussion Starter · #1 · Mar 20, 2015 I guess it's always been there somewhat. The following information describes these noises: • Rhythmic Ticking: This is a rhythmic ticking that can be heard during deceleration. 2007 2500HD LBZ 120,000 miles. Thanks again for the responses and idea's. 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. Jan 13, 2010 · 498 Posts. Sent from my SM-N910V using Tapatalk. So to start, I assume you're at WOT. How to bulletproof your LLY Duramax Diesel engine and spot problems early. it is under load so it is not a vacuum leak as the vacuum is low under acceleration and high under deceleration or idle. This may be due to air moving through the front vapor valve fresh air vent tube during fuel fill, acceleration or braking. Search: Deceleration Whine. Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Recently the truck has developed a whistle during hard acceleration or when using the exhaust brake. Sep 19, 2017 · 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. Mar 20, 2015 · All new fluids. This is not turbo whine just a very annoying ear piercing whistle. Discussion Starter · #1 · Oct 15, 2011. Jun 26, 2010. Symptoms of 2. 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. If you hear a high-pitched whistling sound from your Cummins engine, there's a good chance it involves a boost leak. It's been getting louder and louder lately. 8L Turbo Diesel I4 Duramax XLD28 was a 2. No boost. If your van is new you should check your air filter and make sure it's in good condition and the box is seated and sealed properly. Sounds much better now thanks for your help. every time you put extra stress on the engine. I have a whistle noise during acceleration without the a/c on. It happens in every gear and only occurs when accellerating no matter what gear i am in it occurs at the same rpm. Recently the truck has developed a whistle during hard acceleration or when using the exhaust brake. It also happens when cruising at around 70mph. there is a extremely loud and high pitch whistle totally different sounding . Discussion Starter · #1 · Nov 8, 2015 Hey everyone, my truck has been making a nasty whine sound during acceleration until it is up to temp. I'm thinking it is turbo noise. Business inquiries: dpturner486@gmail. 5 3500 automatic with 153,000 miles. Thanks for any input. Thanks again for the responses and idea's. Once up to speed it's gone Any thoughts?. I had this problem right after my dealer replaced my High Pressure Fuel Pump. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. 2007 2500HD LBZ 120,000 miles. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. Search this website. 2007 2500HD LBZ 120,000 miles. 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. • Over boosting (potentially caused by a wastegate fault) or poor remap. 2007 2500HD LBZ 120,000 miles. Search: Deceleration Whine. It doesn't make the noise when it's in park and revving it up. The accelerator pedal is pressed. If I give it any throttle the noise goes away. If your van is new you should check your air filter and make sure it's in good condition and the box is seated and sealed properly. Sounds much better now thanks for your help. It's been getting louder and louder lately. Mar 20, 2015 · But lately it seems to be getting louder. Thanks again for the responses and idea's. My gas mileage has also dropped about 2 miles p. 8L Duramax Turbocharger Failure. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. I'm wondering if it's a regenp problem. Turbo?? Or is this normal? My LLY didn't sound like this. This could be timing, excess fuel flow or insufficient air flow. It has never effected performance and it honestly went unnoticed until someone pointed it out to me who was riding with me. Duramax Third Generation: 2006-2007. LMM: ODD whistle while accelerating. Log In My Account ip. Low Fuel Levels. This could be timing, excess fuel flow or insufficient air flow. Search this website. It doesn't make the noise when it's in park and revving it up. 8L Duramax. This may be due to air moving through the front vapor valve fresh air vent tube during fuel fill, acceleration or braking. just looked and there r a few on ebay. I think you probably can hear that noise at all times, and my suggestion would be to:. My local dealership claimed they checked the air induction and exhaust system without finding any leaks. Sluggish Acceleration · 2. Nov 15, 2010 · As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. Check for a cracked manifold or cracked flex section at the manifold. #9 · May 28, 2009. Discussion Starter · #1 · Aug 20, 2009. Thanks for any input. 2020 Canyon CCLB 2. 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. 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. 95 Posts. When I am accelerating around 2-3k RPM I hear a whistling/squealing sound. Which air intake are you referring to? Is this the same thing as a vacuum leak? M mcolozzi Registered. I have not tried to plug it back in. I have not tried to plug it back in. #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. It goes away if I come off the gas a little. I just brought home my new 2018 and it only has 55 miles on it so far so I am treating it gently and can't compare the sound to the previous ones yet. 8L DuramaxTurbocharger Failure. BrennanK Premium Member Joined Nov 12, 2011 1,370 Posts. #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. 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. I have not tried to plug it back in. Discussion Starter · #7 · Jan 18, 2010. When your car is running low on fuel you may encounter an unwanted whistle or two made by your car. 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. Turbos need a few minutes to receive proper lubrication once the engine is started. Nov 24, 2017. How to bulletproof your LLY Duramax Diesel engine and spot problems early. Today my 2016 ED with 58000mi started to whistle and scream during acceleration. I guess I would compare the noise to a alternator whine on your am radio. Which air intake are you referring to? Is this the same thing as a vacuum leak? M mcolozzi Registered. The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. This message is in regard to Duramax turbocharger noises or possibly a performance or a fuel economy complaint. Search this website. 8 liter,. Easy fix is to just rotate the hose 180*. The vanes close to help the engine warm up in cold weather. Potential causes of turbo noise include: • Boost/air/vacuum leak - either on your engine intake, or your intercooler. High pitch from engine and only under load. 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. The second I push the clutch in, it stops More info on performance mods, clutches and shifters Dropped the oil and clean as a whistle. They told me that they were having trouble hearing it and that something might be breaking in. 2014 VT manual. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. cold air intake. Joined Jul 31, 2004. The factory bend is wrong and was fixed mid 12 on up. The only mod is a cold air intake. All these elastomeric parts , engine mounts, trans mount, flex disks, center bearing and diff mounts should only be sourced from Mercedes. 5 3500 automatic with 153,000 miles. Potential causes of turbo noise include: • Boost/air/vacuum leak - either on your engine intake, or your intercooler. Just found the tsb and I turned the hose between egr and heater core so the bend is right at 12 o clock and WOW i can't believe it worked. Which air intake are you referring to? Is this the same thing as a vacuum leak? M mcolozzi Registered. If your van is new you should check your air filter and make sure it's in good condition and the box is seated and sealed properly. Bad Fuel Pump. If I give it any throttle the noise goes away. 1 day ago · 300zx tt whining noise when accelerating Some shifts take a long time, some shifts skip a gear, some shifts are very hard, shaking the truck It eventually went away after a few hard throttle prods Only when accelerating and doesn't matter if ac is on or off Ford F-150 or F-250 series' engines will likely whine during acceleration when the fuel filter is clogged or loosely. Aug 20, 2009 · 285 Posts. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. The factory bend is wrong and was fixed mid 12 on up. Different air filter and exhaust . 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. Some trucks will go to high idle upon startup and actually command the variable geometry turbocharger to make as . 5 to 2005. My gas mileage has also dropped about 2 miles p. A loss of fuel rail pressure can occur during acceleration. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. May 17, 2020 · Duramax Third Generation: 2006-2007. LMM: ODD whistle while accelerating. Jun 13, 2014. 121 Posts. The truck runs great other than the whine during deceleration. It sounds like a bad bearing to me. Mar 30, 2012. I heard it in gears 1-3 and possibly 4. Like your whistle, the RPM needs to approach 2,000 for the ticking to start and I cannot hear it while revving in neutral. Duramax whistle during acceleration As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. literoctia stories, new film free download
8L Duramax. . Duramax whistle during acceleration
Since the smoke goes away when you let off that's a good sign. The whining noise is missing now. Anybody else with some miles over 150,000 have a comment. Jul 11, 2011. Worst scenario is. 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. Once you get off the throttle that compressed . Subject: Whistle Noise from the Throttle Body Area on Light Throttle Acceleration - kw idle intake manifold off accelerate GMT305 GMT360 GMT370 GMT800 GMT805 GMT806 GMT820 GMT830 #PIP3086A - (01/06/2005). 8L Duramax Turbocharger Failure. I have a stock 07. #4 · May 11, 2018. The main reason for the whiningmight be a loose belt, that runs over the power steering pump’s pulley. It's been getting louder and louder lately. Jun 26, 2010. 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. The reason lies within the turbocharger. Consider a thorough check-up of the transmission to figure out the specific cause. Mar 20, 2015 · But lately it seems to be getting louder. The problem is that when I am accellerating under load at about 1500 rpm's I get a very high pitched whine. It doesn't make the noise when it's in park and revving it up. 8L Duramax Turbocharger Failure. Today my 2016 ED with 58000mi started to whistle and scream during acceleration. Getting the belt tightened and the whole assembly realigned, might solve your problem. When I let off the gas the whine almost turns to a grind and goes away until I tap the gas again. They told me that they were having trouble hearing it and that something might be breaking in. LMM: ODD whistle while accelerating. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. No boost. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. Business inquiries: dpturner486@gmail. Your Chevy Truck engine comes with a fuel pump that takes the gasoline from the fuel tank and transfers it to your truck’s engine. 8L Duramax might notice a whining noise during acceleration, while in gear, or in neutral. I have a stock 07. The pinion will try to pitch up on acceleration and cause excessive miss alignment leading to vibration under load. I dont have a aftermarket gauge to read egt's or other info. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. 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. There are a couple of threads about it. Once up to speed it's gone Any thoughts?. To know if the fuel pump is bad or not, you need to check the fuel pressure. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. Symptoms of 2. Apr 21, 2018 · I too have a 2018 GMC Denali HD Duramax that has a high pitch whistle that is starting to drive me nuts. The truck runs great other than the whine during deceleration. Some of the vehicles listed may exhibit a whistle noise from the throttle body area during light acceleration if they are equipped with a. This may be due to air moving through the front vapor valve fresh air vent tube during fuel fill, acceleration or braking. I have not tried to plug it back in. Guzzling Oil · 3. The vanes close to help the engine warm up in cold weather. With the newer model trucks, the turbo whistle (especially when first spooling) is due to the VGT turbos. Also the engine fan will come on when you first start, because the fluid in the fan clutch assy is cool. 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. My gas mileage has also dropped about 2 miles p/gallon. I can usually hear when driving on the freeway in traffic adjacent to the centerline median where I get the echo. BrennanK Premium Member Joined Nov 12, 2011 1,370 Posts. They told me that they were having trouble hearing it and that something might be breaking in. It does it at different RPMs as . It doesn't make the noise when it's in park and revving it up. #10 · Jan 7, 2020. This noise had started earlier but now it's more often, I don't think it is the Turbo. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a has developed a whistle during hard acceleration or when using the exhaust brake. This was after running the ruck for 2 hours on the highway. The factory bend is wrong and was fixed mid 12 on up. Nov 24, 2017. Mar 20, 2015 · GM Diesel Engines Duramax Third Generation: 2006-2007. its worth the 2 minutes it would take to look at your blades for wear. Question: Jump to Latest Follow 1 - 9 of 9 Posts. It was very noticable when I was hauling 16,000 lbs when I hit 3,000 rpms. 8L Duramax Turbocharger Failure. This noise had started earlier but now it's more often, I don't think it is the Turbo. The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. The bulletin stated that some drivers of the 2016-2018 trucks and vans equipped with the 2. Turbo?? Or is this normal? My LLY didn't sound like this. Those are 12mm iirc and . roscoe778 · Registered. I dont have a aftermarket gauge to read egt's or other info. 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. • Compressor wheel damage. The cause was identified as a bent turbocharger compressor blade and suggested replacing the turbocharger. Good luck, and keep us posted. Search: Deceleration Whine. 2007 2500HD LBZ 120,000 miles. Mar 20, 2015 · But lately it seems to be getting louder. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a. Definitely not a normal turbo noise. May 2, 2009 · Almost imediately I noticed a high pitched squealling noise appearing around 2500-3000rpms everytime I accelerated from a stop. This suggestion came from a study into the phenomenon of choking carried out by a leading Psychologist Dr Sian Beilock. It's been getting louder and louder lately. Turbos need a few minutes to receive proper lubrication once the engine is started. Today my 2016 ED with 58000mi started to whistle and scream during acceleration. Also check the sensors that screw into boost tubes, they can come loose and leak creating a whistle. If I give it any throttle the noise goes away. jumpy said: Mine has a distinct turbo whistle under load from ~1800rpm upward. This other noise sounded wrong and out of character with everything else. As the engine gets warm, the parts (plastic & metal) expand and leak stops - therefore the whistle stops. roscoe778 · Registered. Joined Apr 27, 2009. Low Fuel Levels. 8L Duramax Turbocharger Failure. This noise had started earlier but now it's more often, I don't think it is the Turbo. If it goes away, you know it is on the front of the engine . 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 up to speed it's gone Any thoughts?. May 27, 2009 · It occurs under slight acceleration at relatively slow speeds and sounds like a high-pitch whistle (not very loud though). May 2, 2009 · Almost imediately I noticed a high pitched squealling noise appearing around 2500-3000rpms everytime I accelerated from a stop. I had this problem right after my dealer replaced my High Pressure Fuel Pump. 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. When I let off the gas the whine almost turns to a grind and goes away until I tap the gas again. I'm wondering if it's a regenp problem. It has never effected performance and it honestly went unnoticed until someone pointed it out to me who was riding with me. The sound I'm hearing I'm pretty sure is the secondary closing all at once instead of slowly like it should About 6 months back I replaced the y pipe on the truck, had a bit of whistle from exhaust that went away after tightening the Discussion 2006 xtype 80 k mi Ok Im wondering if the whine is there on decel because im at the low end of the spectrum in Ok Im. The only change in the truck is around the same time I unplugged the EGR. Nov 18, 2017. Black smoke means it is injecting fuel that it can't burn. 5 3500 automatic with 153,000 miles. Worst scenario is. The turbo works by increasing the amount of air and fuel that can be fit into a cylinder; thus, increasing horsepower and performance. Worst scenario is that the turbo is not receiving proper lubrication and therefore a bearing squeal. I heard it in gears 1-3 and possibly 4. . bang bus creampies