Duramax ticking noise - Apr 25, 2009 · Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 2009

 
Feb 21, 2020. #1. New to the forum. Picked up my LM2 end of January. Began having what sounded like valve clatter around around 2k rpm. Assumed, it was potentially normal as the engine continued to break-in. However, it has continued to get worse. The dealership has opened a "Tact" case no answers at this stage as there are apparently no others .... Fort carson px times

The noise could be described as an irregular ticking or clacking sound like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when in fact it was masked by other noises in the past.Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. Help! Ticking noise. Jump to Latest Follow 21 - 40 of 40 Posts. 1 2. TakeEm · Registered. Joined May 24, 2011 · 3,851 Posts #21 · Jan 25, 2013. Only show this user. Either way. I like checking it just at idle. ...The Ticking noise is normal. Here is a GM Bulletin on It. INFORMATION Bulletin No.: 02-06-01-022M Date: March 30, 2012 Subject: Information on Diesel Engine Ticking Noise Models: 2001-2012 Chevrolet Silverado 2003-2009 Chevrolet Kodiak C4500/C5500 Series 2006-2012 Chevrolet Express Vans 2001-2012 GMC Sierra 2003-2009 GMC TopKick C4500/C5500 SeriesChevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. Help! Ticking noise. Jump to Latest Follow 21 - 40 of 40 Posts. 1 2. TakeEm · Registered. Joined May 24, 2011 · 3,851 ... definitely not an injector noise! thats loud! sounds alot more like exhaust or some sort of blow by obvious at this point.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. 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 ...2003-2007 GMC TopKick C4500/C5500 Series. 2006-2007 GMC Savana. with 6.6L Duramax™ Diesel Engine (VINs D, 1, 2, 6 -- RPOs LBZ, LB7, LLY, LMM) Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70°C (158°F) or higher and from idle to approximately 1500 RPM.What is my air conditioner noise level? Ensure that the noise emitted does not go beyond the threshold or your neighbours may be irritated. Expert Advice On Improving Your Home Vid...For More Info visit us at: http://1aau.to/h/cKE/In this video, Andy diagnoses a top end clicking or ticking noise in our Chevy Avalanche! Andy locates the cl...Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 20091531 posts · Joined 2014. #5 · May 29, 2020. It is not the typical ticking noise. It is a thumping noise and it is supposedly caused by the fanbelt. On the 2020 there are two belts now and the fan is by itself. GMTECH link has a small description on the problem but no resolution.The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv...Noise: Clicking while decelerating from 20 miles per hour to a complete stop. Cause: Worn carrier case-side gear bores. Noise: Rumble or clicking that gets worse during hard turns. Cause: Bad wheel bearings. Noise: Driveline squeaking or grinding at any speed. Cause: Worn or damaged U-joints.Lb7 Ticking Noise. Jump to Latest Follow 968 views 3 replies 3 participants last post by 02DMAX-LB7 Apr 11, 2022. 02DMAX-LB7 Discussion starter 43 posts ...Jan 22, 2007 · "A random ticking noise may be heard in some LB7/LBZ's with the engine running at idle speed and with the coolant warmed to a temperature of 70 degrees Celsius or above. An Irregular metallic ticking/clacking sound like random typing on a mechanical type writer, can be heard at the lower rear of the left front wheel house. Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Ticking noise. Jump to Latest Follow 2K views 1 ...W. wibuckshot Discussion starter. 17 posts · Joined 2013. #1 · Sep 21, 2013. Noticed a rather loud ticking noise coming from underneath of truck when I accelerate. Noise quits when i let off throttle. Its a ticking/rattle noise. Does not make this noise when truck is in Park. I crawled underneath and moved the drive shaft between transfer ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. That darn knocking / clacking / ticking noise. Jump to Latest Follow ... Like a loud ticking or soft knocking noise to it. Please :help . SOLD TRUCK: 2003 Silverado 2500HD, Ext Cab, Short Bed TUNER:Quadzilla On 90Hpwith 6.6L Duramax™ Diesel Engine (VIN 1 – RPO LB7) Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70°C (158°F) or higher and from idle to approximately 1500 RPM. The noise usually is most noticeable at the rear of the drivers’ side front wheel well.2006-2009 GMC Savana. with 6.6L Duramax (TM) Diesel Engine (VINs D, 1, 2 - RPOs LBZ, LB7, LLY) Supercede: This bulletin is being revised to add model years and remove RPO LMM. Please discard Corporate Bulletin Number 02-06-01-022G (Section 06 - Engine/Propulsion System). Some of the above vehicles may exhibit a random ticking …RPOs: LBZ, LB7, LLY, LMM. Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 158 degrees Fahrenheit or higher and from idle to approximately 1500RPM. The noise usually is most noticeable at the rear of the driver's side front wheel well.The most overbought stocks in the industrials sector presents an opportunity to go short on these overvalued companies. The RSI is a momentum ind... The most overbought stocks in ...446 posts · Joined 2009. #5 · Jan 31, 2009. mine has a ticking noise but it is comming from the belt tensioner. NAME: Tyrone. 2001 GMC SLT 2500 HD Crew Cab short box 4X4 LB7. 4" straight exhaust 285/75/r16 210,000miles. Auto Meter Carbon Fiber Ultra Lite Pyro, Boost Gauges. PPE Boost valve.:gearjamin.i have been hearing the clicking/ticking noise when the truck is idling on the drivers side. seems like it has been coming from the fenderwell and underneath the truck. it does not do all the time and does not have a rythem to it at all. i havent crawled up under it yet to look at it either.1. 20/06/2023 6:57 am. Topic starter. The ticking is at its loudest point near the oil pan right next to where the transmission bolts to the engine. I have a video of it, not sure how to post it on this forum. But it is an irregular noise that does increase repitition with RPM but does not imitate RPM at idle. Kurtvw1221.I have a 2003 Duramax and I had that ticking problem when I bought it. I put in the diesel fuel supplement in the grey bottle according mixture on the bottles directions to raise cetane level and lube injector pump and injectors. in one treatment ticking was gone and real noticeable power improvement. worked real well!!Most tick bites are harmless, and won’t cause any trouble at all, other than some irritating itching. Some tick bites, however, can lead to infection and other problems. It’s impor...Just traded my 2018 2500 Duramax for a new 2020 2500 L5P and notice a throbbing sound at idle when the engine is warmed up ( currently 2200km). Dealership says it is covered under the #16-NA-32 Bulletin on common engine noises Duramax 6.6L, but this is not the ticking or cycling that I have heard on my previous Duramax.That is the correct procedure. However, if the knocking noise stopped, whatever was causing the noise wasn't spinning. That's how you've eliminated the engine internals. If the noise continues when the torque converter is no longer attached and spinning, then the noise is coming from something that's moving/spinning. That's something in the engine.DEF INJECTOR NOISE: A ticking sound may be heard coming from under the vehicle at low vehicle speeds — especially when next to a building, as when approaching or leaving a drive thru window. This noise also may be heard at idle on 2019 and 2020 vehicles. Remember, these noises are a normal function and operating condition of the L5P diesel ...The noise is not audible at idle or deceleration, only upon acceleration or when cursing down the highway. It seems to be loudest when the engine is hot 90+. Just Bought the truck and have previously owned a couple doge cummins. They were loud but they hummed along rhythmically not this random clacking and ticking.Oct 16, 2007 · The truck is a 2006 2500HD with LBZ Duramax and 6-speed Allison, <19,000 miles. The drivetrain has been making what I would describe as a chorus of LOUD cracking, snapping, popping and ticking sounds during cold and warm starts when the ambient temperature is about 65*F and higher. It doesn't make the noise every cold / warm start but it does ... Ticking noise. Jump to Latest Follow 21 - 40 of 41 Posts. 1 2 3. Durallymax · DuramaxForum ... Cameron Duramax Diesel 2005 GMC 2500HD CCSB EFI Live v2 DSP5 5'' MBRP ...Oct 30, 2019 · 2020 Duramax thumping sound. Thumping sound heard at idle and increases with RPM as you drive. Can hear it easily when standing outside front or when listening near front wheel wells and from inside the truck. This is my 4th Duramax so I am familiar with all the ticking noise complaints but this is not a tick. I noticed a random ticking noise the other day as I was talking to a few friends of mine. My truck was idling behind me and I started to hear it. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and …There are many reasons why a car makes a ticking sound when the accelerator is pushed. One of the most common reasons is the car is low on oil. If this is the problem, the sound wi...446 posts · Joined 2009. #5 · Jan 31, 2009. mine has a ticking noise but it is comming from the belt tensioner. NAME: Tyrone. 2001 GMC SLT 2500 HD Crew Cab short box 4X4 LB7. 4" straight exhaust 285/75/r16 210,000miles. Auto Meter Carbon Fiber Ultra Lite Pyro, Boost Gauges. PPE Boost valve.:gearjamin.RPOs: LBZ, LB7, LLY, LMM. Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 158 degrees Fahrenheit or higher and from idle to approximately 1500RPM. The noise usually is most noticeable at the rear of the driver's side front wheel well.While noise canceling has traditionally required the use of bulky headphones, Panasonic has a new idea. Just don't look for it in coach anytime soon. In a quiet nod to a better air...13 posts · Joined 2019. #4 · Jun 10, 2019. My 05 was making the same “ticking” noise under acceleration and it ended up with all of my injectors needing to be cleaned. They were all luckily within spec after a good cleaning. Guess I didn’t “blow the soot out of it” often enough..! D Metcalf. North Texas.2019 Chevy Duramax L5P Ticking. Engine has a pretty loud tick when I first start it up, sounds like it’s coming from the drivers side but it’s hard to determine. It also increase with RPMs. Once I drive it and get it up to operating temp. It seems to go away. I’ve listened to typewriter tick but this sounds a little bit different.The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when, in fact, it was masked by other noises in the past.Sep 30, 2011 · The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. All 6600 Duramax™ diesel engines have this condition; however, some are more audible than others. It can become very pronounced right after changing your oil. Sometimes mine is worse right after changing than other times. This last time, no ticking after changing oil. But it is normal as stated above. Chris. '08 Silverado 2500HD LTZ, LMM, CCSB, Dark Metallic Blue. SHOW:| T-Rex grille|GoRhino Dominator III SS steps|AR 18x9 Black machined ...That’s the “type writer tick”. They all do it. No worries. You’ll notice it more with fresh oil. Every Duramax makes that noise, it’s just more noticeable with L5P cause they run …Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Loud Ticking/Knocking noise coming from mid-lower engine on driver side. Tags help knocking ticking. Jump to Latest Follow 6K ... This noise I have never heard in the 4 years I’ve owned it. Just had the transmission replaced and she sat for about 6 weeks.New York. Feb 20, 2014. #1. Recently completed the head gaskets on my 05 LLY. Overall things went back together smoothly but truck has a few issues now that its back running. 1. The truck developed a pretty substantial ticking noise after gasket replacement. It was not that bad during the initial startup, but during test drive when engine was ...The FDA recently lifted the clinical hold on Inovio's Covid-19 vaccine candidate. The result could mean huge returns for INO stock. Good news from the FDA could mean big gains for ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...I have a 2003 Duramax and I had that ticking problem when I bought it. I put in the diesel fuel supplement in the grey bottle according mixture on the bottles directions to raise cetane level and lube injector pump and injectors. in one treatment ticking was gone and real noticeable power improvement. worked real well!!I currently own a 2011 Duramax LML with around 500 miles. Since first taking delivery and continuing at 500 miles, I notice a howling noise whenever the engine is under load. It can be heard at almost any RPM, but seems most noticeable around 1200 to 2000 RPM. Almost sounds like blowing arcross to top of an empty bottle.Ticking noise when accelerating. The new to me Duramax has a ticking noise going on as soon as you step on the gas. It is present from around 1000rpms to 2700 rpms. If I´m flooring it it goes away and it goes away as soon as I let of the pedal.. I haven´t checked the injector balance rates because I´m lacking the tools.2023 6.6 NOISE QUESTION. Hey guys, just bought my 1st NEW Duramax (EVER) and have a question. The truck is a 2023 GMC AT4 HD! Have owned many used high mile 6.6 trucks and still have a 16 Denali 2500HD with 209k miles that was put on a diet.Detecting Fleas and Ticks If your dog or cat stays outside all the time or just visits the outdoors occasionally, you’ll have to be very wary that fleas and ticks don’t take up res...May 23, 2009 · 5645 posts · Joined 2007. #1 · May 23, 2009. guys i noticed today after changing my oil yesterday a ticking noise at idle when the truck is sitting on my driveway. Sounds like it coming from oil filter location. it does not do it all the time, just kinda comes and goes. I used 10 qts of Rotella T and a ACDelco filter. Plus: Will daylight saving time be permanent in 2023? Good morning, Quartz readers! Twitter layoffs reverberated through Silicon Valley. At a time when several tech companies are c...The noises may be described as a tick, click, or cycling noise. Cause. These noises may be coming from various engine components such as the fuel injectors, intake air flow valve, the turbocharger or the diesel exhaust fluid (DEF) injector and may be heard when the engine is running or after it has been turned OFF. Correction.Feb 21, 2020. #1. New to the forum. Picked up my LM2 end of January. Began having what sounded like valve clatter around around 2k rpm. Assumed, it was potentially normal as the engine continued to break-in. However, it has continued to get worse. The dealership has opened a "Tact" case no answers at this stage as there are apparently no others ...13 posts · Joined 2019. #4 · Jun 10, 2019. My 05 was making the same “ticking” noise under acceleration and it ended up with all of my injectors needing to be cleaned. They were all luckily within spec after a good cleaning. Guess I didn’t “blow the soot out of it” often enough..! D Metcalf. North Texas.New to the forum and new to Diesels! I just bought my first Diesel and its an 04 LB7 with 156k on it. Truck needs some work but thats not the issue.. While test driving I noticed a ticking sound from 1100 rpm till short of 3000rpm. If I´m flooring it it goes away and nothing at idle or very light acceleration.4x4'nOLDDUDE. 147 posts · Joined 2017. #11 · Jan 20, 2019 (Edited) Possibly the "ticking" noise that you hear, is the fuel injectors opening/closing. Pop-off pressures are (don't quote me on this) around 1300-1700lbs. for most diesel engines IIRC, so they can get a little noisy, especially when it's cold out.93 posts · Joined 2011. #3 · Feb 16, 2011. Typewriter tick- Normal. 2011 LML DuraMax/Allison 3500HD LT 4X4 Z71 CCLB. -Bone Stock. 2005 LLY Dirty/Alli 3500HD LS 4X4 ECLB. -PPE 90HP/160TQ Tune, Air Box Mod, LBZ Mouthpiece, Blocked Resonator, PCV Reroute, EGR Blocker Plate and Fingerstick (YF-5 emissions truck, FU CA).I never thought I’d need a pair of serious noise-canceling headphones. I don’t mind hours of droning white noise on international flights and generally don’t like feeling like my h...Alright I need help. I have got an 05 duramax with 165k miles. Had GM replace all injectors 14 months ago. However the motor has developed a loud knocking noise. When the noise first became present, I stopped at a truck stop and poured in some Lucas injector cleaner. The noise then went away, but after a few days, the noise is back.The noise is a normal operating. Page 2 October, 2020 Bulletin No.: 16-NA-372. characteristic and has no short or long term effects on the engine. DO NOTattempt repairs for this noise. •DEF Injector Noise:A tick noise may be heard coming from under the vehicle and typically it is heard at low vehicle speed and especially next to a building ...7 posts · Joined 2008. #1 · Aug 24, 2018 (Edited by Moderator) 2017 Silverado, Duramax, LTZ, L5P engine. At 1200 rpms there is noticeable noise in the dash. It sounds like a loud humming sound or a vibration. Dealer says 125 trucks have been registered with GM with the same noise. They claim it is a heater hose under the dash …The noise could be described as an irregular ticking or clacking sound like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when in fact it was masked by other noises in the past.1. 20/06/2023 6:57 am. Topic starter. The ticking is at its loudest point near the oil pan right next to where the transmission bolts to the engine. I have a video of it, not sure how to post it on this forum. But it is an irregular noise that does increase repitition with RPM but does not imitate RPM at idle. Kurtvw1221.For the un-informed, this is when your beloved engine starts to make an EXTREMELY annoying, loud tapping (ticking, clacking, etc.) sound similar to a valve or lifter tapping on a gasser. This is usually accompanied by massive power loss (my LB7 dropped 40 HP and 96 FT LBS at the wheels, seriously.)Oct 8, 2013 · The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. All 6600 Duramax™ diesel engines have this condition; however, some are more audible than others. For the "04" model year LLY engine, verify the vehicle has the updated ECM calibration for Engine Combustion knock. For diagnostic purposes advise using 1 - 2 tankfuls of a name brand / different source of diesel fuel to determine if the concern is caused by a fuel quality issue." The ping/tick/whatever is not only at low rpm.The Hitachi LCD TV, like all other LCD devices, consists of a flat-panel display with high-quality speakers. However, TVs can run into a manufacturer defect that causes a buzzing o...The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. All 6600 Duramax™ diesel engines have this condition; however, some are more audible than others.Apr 9, 2019. #1. New to the forum and new to Diesels! I just bought my first Diesel and its an 04 LB7 with 156k on it. Truck needs some work but thats not the issue.. While test …I never thought I’d need a pair of serious noise-canceling headphones. I don’t mind hours of droning white noise on international flights and generally don’t like feeling like my h...Additional Options (RPO) Equipped with Duramax™Diesel Engine (RPOs L5P) Condition Some of the above vehicles may exhibit a random ticking noise that is most audible on warm engine in idle and elevated idle condition with fresh oil. The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also commentTicking Noise Near Engine/Transmission. Jump to Latest Follow 41 - 60 of 79 Posts. 1 3 of 4 Go to page. Go. 4. S. snarkee · Registered. Joined May 25, 2017 · 52 Posts #41 · Jun 8, 2017 ... New LP5 owner first 2017 GMC Denali Duramax. Save Share. Reply Quote Like. G.Mar 3, 2008 · Ticking noise. Jump to Latest Follow 21 - 40 of 41 Posts. 1 2 3. Durallymax · DuramaxForum ... Cameron Duramax Diesel 2005 GMC 2500HD CCSB EFI Live v2 DSP5 5'' MBRP ... The noise could be described as an irregular ticking or clacking sound like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when in fact it was masked by other noises in the past.The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when, in fact, it was masked by other noises in the past.

2023 6.6 NOISE QUESTION. Hey guys, just bought my 1st NEW Duramax (EVER) and have a question. The truck is a 2023 GMC AT4 HD! Have owned many used high mile 6.6 trucks and still have a 16 Denali 2500HD with 209k miles that was put on a diet.. Hsn host colleen lopez

duramax ticking noise

The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when, in fact, it was masked by other noises in the past.All Duramax™ engines are manufactured to very close tolerances to meet the durability and reliability standards. Cause This ticking noise is caused by oil bubbling and excited by the V8 configuration and combustion sequence. The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter.***Turn up the volume***Random/Intermittent ticking sound on a 2020 Duramax L5P. Occurs for the first 500 miles or so after an oil change.Short video of it ...• Rhythmic Ticking: This is a rhythmic ticking that can be heard during deceleration. The noise is usually, but not limited to, heard coming from around the passenger side of the vehicle. The noise is from the fuel injectors firing (one injector per deceleration and not always the same injector) and is a normal function of the engine and ...2020 Duramax thumping sound. Thumping sound heard at idle and increases with RPM as you drive. Can hear it easily when standing outside front or when listening near front wheel wells and from inside the truck. This is my 4th Duramax so I am familiar with all the ticking noise complaints but this is not a tick.372 subscribers. 11. 1.9K views 2 years ago. **Turn up the volume** Random/Intermittent ticking sound on a 2020 Duramax L5P. Occurs for the first 500 …Ticking after oil change. :help had the truck for about a month (09 2wd with 84K). Dealer told me they changed the oil but it was black and smelled burnt so I decided to change it. The filter was torqued on like a mother, anyway I changed the oil with 15w40 regular rotella and a cheap fram filter.#8 injector tick. Video starts with injector turned off and then with all 8 cylinders running. Tick is loud with all 8 running. Suspect crush washer but will...To see if its injectors get some one with a good scan tool to go along and deactivate injectors one by one. If tick stops with x injector that’s the culprit. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go Jr. and Ratio Tech ...All Duramax™ engines are manufactured to very close tolerances to meet the durability and reliability standards. Cause This ticking noise is caused by oil bubbling and excited by the V8 configuration and combustion sequence. The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter.About. ***Turn up the volume***Random/Intermittent ticking sound on a 2020 Duramax L5P. Occurs for the first 500 miles or so after an oil change.Short video of it ...I've come across another drivetrain problem, which are usually a pain in the ass to figure out and track down, especially by yourself. This time, I have a ticking or clicking noise coming from the front passenger side wheel area. The sound gets faster with speed, and slows down while braking. It does it turning left or turning right.Apr 9, 2019 · New to the forum and new to Diesels! I just bought my first Diesel and its an 04 LB7 with 156k on it. Truck needs some work but thats not the issue.. While test driving I noticed a ticking sound from 1100 rpm till short of 3000rpm. If I´m flooring it it goes away and nothing at idle or very light acceleration. I currently own a 2011 Duramax LML with around 500 miles. Since first taking delivery and continuing at 500 miles, I notice a howling noise whenever the engine is under load. It can be heard at almost any RPM, but seems most noticeable around 1200 to 2000 RPM. Almost sounds like blowing arcross to top of an empty bottle.The noise could be described as an irregular ticking or clacking sound like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when in fact it was masked by other noises in the past.Engine ticking on new 2024 sierra hd duramax. Picked this truck up Monday. About 180 miles so far and noticed this ticking coming from the engine. I’ve never owned a diesel truck so not sure if this is normal… but I didn’t notice it the first few days… any ideas? That’s the “type writer tick”. They all do it.Fairly common for these trucks' brakes to rattle on rough roadways. The clips/ retainers wear out and allow the pad to rattle in place. Hold your brakes lightly as you drive. If the noise goes away, you've found your issue. 2009 Imperial Blue Metallic GMC Sierra SLT 2500HD Crew Cab - Littleton, CO.Aug 27, 2008 · On mine the "ticking" was about a 6 mo. warning that the injectors were going bad. First noticed louder ticking, later noticed small amount of white smoke at idle, then later a lot of white smoke at idle. 04 Chevy LT 2500HD EC/ShortBed LB7/Allison 2WD - Line-X Liner - Hard Folding Tonneau Cover. .

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