2024 Duramax ticking noise

08 lmm. A few day ago I noticed a ticking noise coming from my engine but it's only when it's cold. Cant quit pin point where the noise is. When it warms up its gone. The only thing I've done to the truck is change the oil about a week ago. If anyone can helpe please chime in thanks.. Augmented eleos ffxiv

26. 0. 1. Jan 21, 2017. #1. Do any of you L5P owners notice a tapping or knocking noise that is synched with engine rpm when you let off the accelerator and coast? It only seems to happen between 1,000 and 1500 rpm. My 16 LML made a similar noise sometimes, but this L5P seems to do it more. It's not the typewriter tick, that's for sure.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 …From what I understand it is the injection pump making noise, the new engines are so quiet that it is more audible but all duramaxes do it and is normal, never noticed on the LMM but very noticeable on the L5P. Thanks all, sounds like it’s normal. Wish it wasn’t there but whatever…. My 2019 does the same.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.NOTICED BOUT 2 DAYS AFTER THE SERVICE A TAPPING NOISE FROM MOTOR REALLY NOTICEABLE ESPECIALLY FROM DRIVER WHEEL WELL . …The following information describes these noises: • Rhythmic Ticking: This is a rhythmic ticking that can be heard during deceleration. The noise is usually, but not limited to, heard coming from ... Transmission, Duramax, 6.6L, Tick, MW7, Tick, Clicking, Noise GM bulletins are intended for use by professional technicians, NOT a "do-it ...Much of the noise that occurs in intercom systems arises from the coupling of DC and AC signals. The elimination of the noise, while retaining the primary signal, is the goal of co...Please discard Corporate Bulletin Number 02-06-01-022G (Section 06 - Engine/Propulsion System). 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 ...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).87 posts · Joined 2009. #1 · Jul 12, 2013. I bought my 08 LMM with 163k on it and no noise. Now with 171k it has developed a ticking/knocking in the front of the passenger head. Any ideas how to resolve before it gets worse or before I start tearing in blind. tick tick - YouTube. 2008 GMC Sierra 2500HD CC/SB. 285/70/17 Fierce Attitudes.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.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 ...NOTICED BOUT 2 DAYS AFTER THE SERVICE A TAPPING NOISE FROM MOTOR REALLY NOTICEABLE ESPECIALLY FROM DRIVER WHEEL WELL . …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.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 ...M. mray. 12496 posts · Joined 2012. #2 · Oct 6, 2015. Don't know if that is what your noise is but if it is the torque convertor bolt and it comes loose it can cause lots of damage. Don't ask me how I know, had to have aluminum adapter plate, flywheel flex plate and torque convertor replaced because of torque convertor bolts coming loose ...This is so common on ALL duramax engines-- GM circulated a TSB for the techs to advise them-- it is normal. Some call it a "Typewriter" noise. Do a search on typewriter and you will find lots of info. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ …Apr 10, 2023 · My 2023 has a ticking sound that is not the DEF injection tick, it is not a ticking or sound I have heard with modern diesels. I have been aware of that DEF tick tick sound for years with many different diesel trucks. This is an odd ticking that speeds up on acceleration as well as deceleration when downshifting relates to RPM advances. 06 Black LT3 CCSB Duramax/Allison, EGR blocked, MA sleeves, MA pump rub kit, cognito braces, EFI Live, Banks exhaust, transgo jr., BD manifold, MBRP downpipe. ... "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 …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 ...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. 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 commentI know it’s an old thread, but the L5P in the 2020 is the noisiest, most unpleasant Duramax to date. The thumping, ticking, screeching, and what I’m assuming is injector knock, is almost Unbearable. Been in 3 different 2020’s and besides when mine melted down a dpf, I’ve yet to hear a quieter Dmax from factory.Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 2009Some 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 …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.This is so common on ALL duramax engines-- GM circulated a TSB for the techs to advise them-- it is normal. Some call it a "Typewriter" noise. Do a search on typewriter and you will find lots of info. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ …284 posts · Joined 2010. #1 · Sep 21, 2010. i just picked up a 2006 lbz with 130k on it, it seems to have a loud tick at idle, is that the injectors or is that the way that the lbz's are suppose to be, kinda sounds like lifters, just changed the oil today i am gonna change the fuel filter thursday any ideas? another thing can you hear the ...The next noise is a tick typically heard at low vehicle speed and especially next to a building, like when going through a drive through. This is the DEF Injector and again is normal noise. The last noise is a rhythmic tick. This sound will require further diagnosis and may be accompanied by a loss of power, misfire and an SES lamp …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. ... 2011 GMC Sierra 2500HD 4x4 Ext Cab LML Duramax Cognito Platinum Leveling kit with FOX Shox 2006 GMC Sierra 2500HD ...The next noise is a tick typically heard at low vehicle speed and especially next to a building, like when going through a drive through. This is the DEF Injector and again is normal noise. The last noise is a rhythmic tick. This sound will require further diagnosis and may be accompanied by a loss of power, misfire and an SES lamp …"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.My truck recently started making this ticking noise when the motor is idling so I called the dealer and they said it is coming from the fuel pump and it is normal and not to worry about it. ... 2017 Chevrolet Silverado 3500HD SRW High Country CCSB L5P Duramax Cognito UCA kit, Truxedo soft tunnel cover, 18" Novakane's death metal …Subtle and short lived engine knocking in a 2021 Silverado 1500 Duramax 3.0 when warm and accelerating from a stop. UPDATE: Diesel fuel additive has eliminat...I know it’s an old thread, but the L5P in the 2020 is the noisiest, most unpleasant Duramax to date. The thumping, ticking, screeching, and what I’m assuming is injector knock, is almost Unbearable. Been in 3 different 2020’s and besides when mine melted down a dpf, I’ve yet to hear a quieter Dmax from factory.411 posts · Joined 2016. #5 · Nov 19, 2021. Yeah, that sounds like the hpfp is dying. The proper repair for that is to replace all of the high presure fuel side and flush the low pressure side. A failure of the hpfp sends tiny little metal bits into the fuel injectors damaging them. The hpfp is on the front lower driver side of the engine ...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...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.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.This noise is present in all diesel engine produced in the last 20 years, does not have any impact on engine reliability and durability, and may be more noticeable on the L5P because of the major reduction in combustion background noise. This occurs at idle and can be heard to be louder when standing just behind the driver’s front wheel.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...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.Rod knocks, sticky or bad lifters, faulty glow plugs, lousy fuel injectors, old engine parts, and low or dirty engine oil — causing lack of lubrication are the common causes of ticking noise from a diesel engine. While diesel engines are much louder than gasoline engines, do not ignore any unusual sound from a diesel engine.LML DURAMAX “Knock sounds”!!! Vehicle: 2014 GMC 3500 6.6l Duramax Automatic 4x4. (Lml engine ) currently 137,050 miles. (Bought new ) Modifications: CP3 conversion, Industrial injection sportsman pump, PPEI update tuning (109k) miles. 137,050 miles, Started truck up one morning after Easter, I had towed Easter Day with no issue.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.Ticking Noise I have the same problem on 2017 GMC Denali. Dealer just told me it was the fuel pump. That means "live with it" pal. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!ticking noise. Jump to Latest ... when i start up my truck in the morning there is a slight ticking sound but i only have heard it when it is cold it noticeable from the cab but from the front of the truck can be heard anyone know what this is or has anyone else have this prob with ... Chevy and GMC Duramax Diesel Forum. 3.8M posts ...Learn how to remove a tick from your body or from a loved one. Trusted Health Information from the National Institutes of Health Removing a tick can be tricky. We've compiled a lis...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.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 …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.May 4, 2008 · Ticking noise at idle. I have a 06 GMC Duramax and at idle, there is a constant loose sounding ticking noise. It does not sound like necessarily coming from the engine but in the front loser to the grill. Before I take it in and have looked at, I thought I would get someones opinion. I had a 03 GMC Duramax and it never made the same 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.May 20, 2021 · Subtle and short lived engine knocking in a 2021 Silverado 1500 Duramax 3.0 when warm and accelerating from a stop. UPDATE: Diesel fuel additive has eliminat... 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.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.1. Low Oil Level. Most often, the ticking is caused by a low oil level and will go away as soon as the system is topped off. When the engine doesn’t have the right amount of oil, pressure drops and ticking begins. Ticking might intensify as you accelerate or push the car harder.low speed clicking noise Jump to Latest Follow 275 views 2 replies 2 participants last post by SparksAutoMobile Dec 17, 2023About a couple weeks ago noticed this loud ticking noise out of nowhere. The noise is new and not of the usual diesel clatter. I can place the truck in park and rev to about 15-1700 rpm and the ticking will increase in volume with those revs. ... ** 2.8L Duramax (GDE tuned), RevMax TC, GMC floor liners, Rokblokz mud flaps, ARE Z …How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1.This noise is caused by the relationship of the engine cylinder block, crankshaft journals, bearing inserts and the oil film. This relationship may allow a vibration that resonates through the cylinder block and is heard as a metallic ticking noise. The noise could be described as an irregular ticking or clacking sound, like random typing on a ...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...435 posts · Joined 2015. #1 · Feb 10, 2017. just noticed this noise the other day, it's obvious in drive but quiets down in park. checked my balance rates and they seem kind of all over the place, but 1 & 3 are the worst. The noise sounds like its from the passenger side so that makes me think those two are the culprit.26. 0. 1. Jan 21, 2017. #1. Do any of you L5P owners notice a tapping or knocking noise that is synched with engine rpm when you let off the accelerator and coast? It only seems to happen between 1,000 and 1500 rpm. My 16 LML made a similar noise sometimes, but this L5P seems to do it more. It's not the typewriter tick, that's for sure.1531 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.Nov 26, 2023 · 2020 6.6 duramax has a 5 year/100,000 mile powertrain warranty. 2020 truck has 8000 miles. At least see what dealer says. 2020 6.6L is rpo code is L5P. 2020 LM2 rpo code is the 3.0L. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. Like. 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.Ticking Noise I have the same problem on 2017 GMC Denali. Dealer just told me it was the fuel pump. That means "live with it" pal. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!Link and couponLaunch CRP429C: https://goo.gl/wdapu7Save an extra $30.00 when you apply the page coupon.Launch CRP429c Support 11 Reset Service Function1.Oil...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.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.284 posts · Joined 2010. #1 · Sep 21, 2010. i just picked up a 2006 lbz with 130k on it, it seems to have a loud tick at idle, is that the injectors or is that the way that the lbz's are suppose to be, kinda sounds like lifters, just changed the oil today i am gonna change the fuel filter thursday any ideas? another thing can you hear the ...Exploding head syndrome refers to hearing a loud noise when falling asleep or waking up. Learn about other symptoms, causes, and how to treat. Despite its dramatic name, exploding ...Alaska6.6 Discussion starter. 5 posts · Joined 2014. #1 · Dec 7, 2014. When at idle (in park or drive doesn't matter) there is a loud ticking noise coming from what sounds like drivers side rear of engine. It is only at idle as soon as throttle is given it goes away. At first I didn't think anything of it but it keeps getting louder and louder.Feb 8, 2012 · Please discard Corporate Bulletin Number 02-06-01-022G (Section 06 - Engine/Propulsion System). 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 ... 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.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!!April 15, 2020. Some 2020 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have a thumping or knocking sound coming from the rear of the engine. The sound is often more pronounced in the interior of the truck as it’s amplified by the transmission bell …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. 136 posts · Joined 2013. #1 · Apr 4, 2018. My truck is right at 200,00 miles with all original drivetrain components. It has started making a clicking/ticking sound that can be heard in the cab pretty good and once window is rolled down, it is even louder. It sounds like it is coming from the rear end or bed area.sometimes if one pipe is cold and another is hot the ticking noise is the metal contracting and expanding, if it goes away when truck is real hot driven that's your answer ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …A clicking noise coming from one of your company's computers is never a good sign. Computers are usually designed to be relatively quiet while running, so a clicking noise likely m...

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.. Temeku temecula

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.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.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 …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. Jan 27, 2021. #1. Hello, New to the forum, having issues with a 2019 silverado 3500 I just purchased about 3 weeks ago. The engine has developed a very loud ticking, sounds like its coming from the drivers side. At times you also hear a thumping noise that sounds like its coming from towards the front of the engine.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.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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...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...Ticking noise at idle. I have a 06 GMC Duramax and at idle, there is a constant loose sounding ticking noise. It does not sound like necessarily coming from the engine but in the front loser to the grill. Before I take it in and have looked at, I thought I would get someones opinion. I had a 03 GMC Duramax and it never made the same noise.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. Jul 7, 2005 · 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. Engine noise drops dramatically. On idle your engine noise will be so low, your neighbors may not even hear your car in the AM and your mechanic will hear your injectors as dominant source of a noise. Easily adds 3%+ more power under your hood without disassembly. Plus what TriboTEX doesn’t do is just as important. TriboTEX won’t...08 lmm. A few day ago I noticed a ticking noise coming from my engine but it's only when it's cold. Cant quit pin point where the noise is. When it warms up its gone. The only thing I've done to the truck is change the oil about a week ago. If anyone can helpe please chime in thanks.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 …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.If it is random and sporadic and sounds like a typewriter it is normal. It will also increase in frequency with higher RPM Many posts on here about it. There is also a deceleration tick that can occur while driving and coasting to a stop. Also normal. Tim. 2019 Chevy Silverado 2500 High Country L5P CC/SB.Feb 8, 2012 · Please discard Corporate Bulletin Number 02-06-01-022G (Section 06 - Engine/Propulsion System). 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 ... 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.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 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..

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