Duramax ticking noise - 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 …

 
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 …. Best schemes madden 24

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. 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.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.A ticking engine is usually an indication of a problem with the valvetrain. The actual issue isn’t always obvious and could be mechanical problems, an incorrect filter or a failing...The noise is not consistent though. It can tick twice then pause, then tick half a dozen times then pause,..then sometimes it stops altogether. It’s almost like the sound of and old style radiator heater that’s hammering from warm condensation in cold pipes. Do you know what is actually causing this sound on your truck?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.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 …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. 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...Please discard Corporate Bulletin Number 02-06-01-022D (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 ...Ticking noise. Jump to Latest Follow ... Is it normal for these engines to make a rattling lifter noise? I grew up around semi trucks but this is the first Diesel that I have owned. The noise is generally noticable when accelerating. Sounds like gas engine lifter noise. ... Hot rodding duramax trucks since 2004.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.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...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.Rhythmic ticking noise: A rhythmic ticking noise during deceleration may be present. The noise is usually more pronounced from the passenger side of the vehicle but may be evident in other positions. The source of the noise is from the fuel injectors pulsing and this should be considered a normal characteristic with no service …a bad flexplate will sound somewhat like a bad rod and should not be ran it can destroy the bellhousing and back of motor if it comes apart. if you pull the dust cover on the bellhousing and the flexplate is cracked and you try to move it by hand it will make noise. 01 gmc sierra. 160,000 miles. new injectors at 160,000.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.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 ... definitely not an injector noise! thats loud! sounds alot more like exhaust or some sort of blow by obvious at this point.I have a 2008 LMM on an 8 inch lift. I blew my factory driveshaft out a couple months ago so I took it in and got a custom one made longer. The new one has a loud ticking noise whenever I start from a stop. Everything is tight, ujoints are brand new. Buddy said it was normal, just wanted some other opinions or how I can quiet or stop it.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.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 ...Feb 12, 2007 · 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. 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.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...FBA Discussion starter. 772 posts · Joined 2009. #1 · Sep 15, 2010. My LMM is exhibiting a slight intermittent ticking noise coming from what appears to be the lower part of the engine. Sometimes it's there and sometimes it's not. When I do hear it, it's not continous either...like a few times per second and then nothing, with no pattern.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.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.164 posts · Joined 2017. #4 · Oct 6, 2021. Probably the DEF injector or the coveted DURAMAX tick. Both normal. These new diesels are so quiet now that you can hear all the weird stuff that has always made noise but was drowned out by engine rattle. New Ride: 2020 GMC 2500 CCLB DMAX. Old Ride: 2004 Chevy 2500 CCSB DMAX.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...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 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.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...Current Duramax powered trucks: 2023 GMC Denali 4x4 2500 V8 Duramax Summit White 2021 GMC At4 1500 4x4 I6 Duramax Summit White ... 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 …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.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 …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 …053500cc. 128 posts · Joined 2005. #5 · Feb 1, 2006. I had this happen when I had my 2003, I thought it was my brake box, but I found out that if you have the climate control set to blow out the vents, which is all the way counter clockwise, it is like it is trying to move the door under the dash too far and I would get a clicking sound.Nov 19, 2021 · 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 ... 49 posts · Joined 2014. #6 · Jul 23, 2018. The Typewriter tick has been in all the Duramax engines.. As the engines get quieter the noise becomes more prominent. Some people do find different brand oil seems to quieten the noise some but experimentation is key for some because not all oils act the same in all engines..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.18. Nowhere, KS. Aug 2, 2014. #1. So I noticed since my last oil change that my truck is making a ticking sound that seems to be more on the left side of the truck . I cannot …i might be crazy, it might be normal i don't know. my lb7 at around 1700 RPMS-2300RPMS i can hear a metallic ticking noise it seams to be coming from the drivers side of the engine bay i can hear it best when the windows are up and the radio is off if the radio is on it can drown it out. i had the injectors replaced less then a thousand …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.Aug 30, 2009 · Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain ... If it sounds like a really loud ticking noise then you might check this out: Dog ticks are a common problem for pet owners. These parasites can cause irritation, infection, and even transmit serious diseases to your furry friend. While there are many chemic...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.)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.Jun 18, 2010 · lb7s are notorious for making ticking noises, it has to do with the tolerance in the engine. That can be one answer, another answer could be an injector is going bad, but i wouldn't worry about that if you're not seeing any difference in the trucks driving. 2002 2500hd 4x4 Lb7, 4 inch magnaflow with 5 inch tip. Save Share. 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.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.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.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...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 ...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 …Feb 12, 2007 · 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. 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. Because they are arachnids, not insects, ticks most closely resemble other arachnids, such as pseudoscorpions or spiders with rounded abdomens. However, some insects, such as beetl...Collective Growth Corp is the first and largest SPAC focused on building the U.S. commercial hemp supply chain....THCB Cannabis SPACs have been the most popular form of investment ...Ticks are small, blood-sucking parasites that can transmit diseases to humans and animals. It is crucial to be aware of the signs of tick bites to ensure early detection and proper...I noticed a very slight ticking noise when I test drove it, but it was so slight that I wasn't worried about it. I've put 800 trouble free miles on it in the last two weeks, but the tick gradually got louder over the last two days, and today- got loud enough that I got under the hood to look for what I thought sounded like an exhaust leak.30 posts · Joined 2023. #16 · May 3, 2023. Much of the noise generated by a diesel engine comes from the combustion process. The LM2/LZ0 Duramax is configured to pulse the injectors up to 10 times for emissions, noise and performance. If deposits start to form in the injectors, the atomization of the fuel will be degraded and can contribute ...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.Jun 18, 2010 · lb7s are notorious for making ticking noises, it has to do with the tolerance in the engine. That can be one answer, another answer could be an injector is going bad, but i wouldn't worry about that if you're not seeing any difference in the trucks driving. 2002 2500hd 4x4 Lb7, 4 inch magnaflow with 5 inch tip. Save Share. 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. Apr 25, 2009 · Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 2009 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. DURAMAX ENGINE TAPPING NOISE diagnossis - YouTube. General Mechanic. 14.3K subscribers. 218. 33K views 5 years ago. hello every one!! in this video I show you how IU …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...D. Dave Geiger Discussion starter. 47 posts · Joined 2011. #1 · May 28, 2012. My LBZ has a ticking noise when it idles sometimes. The injector ballance rates are very good, as the truck has 40k on it. I can't locate it, it's easily heard from both passenger and drivers side of truck. It isn't noisy any other time.When the engine is fired up cold it sounds perfect, but once it gets to about 140-150 the noise starts and seems to correlate to oil pressure, eg. once the rpm is above 1200 the majority of it goes away. If anyone has any insight please let me know. 04-27-2014, 16:01 #2. GM Customer Service. Enthusiast.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, …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.astrungis. 4 posts · Joined 2011. #25 · Jan 24, 2011. Just got a 2011 Chevy HD3500 Duramax. The Silverado book says it was filled with "Dexos" but the LGH and LML Duramax Diesel supplement book says to use API CJ-4 oil. There are no stickers under the hood near the dipstick/oil fill to indicate either.In the ever-evolving world of entertainment, streaming devices have become an essential part of our living rooms. Among the popular options available in the market, Amazon’s Fire T...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 …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 ...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 …for those wondering what the new engine sounds like I filmedvarious angles of the new silverado with the 3.0 LM2 Inline 6 cyl DURAMAX in operation.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.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...I have a ticking sound in my Duramax that is getting louder and louder. It is reminiscent of a bad lifter and gets louder under load. It occasionally gets quieter after it sits hot for a …astrungis. 4 posts · Joined 2011. #25 · Jan 24, 2011. Just got a 2011 Chevy HD3500 Duramax. The Silverado book says it was filled with "Dexos" but the LGH and LML Duramax Diesel supplement book says to use API CJ-4 oil. There are no stickers under the hood near the dipstick/oil fill to indicate either.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 …D. Dave Geiger Discussion starter. 47 posts · Joined 2011. #1 · May 28, 2012. My LBZ has a ticking noise when it idles sometimes. The injector ballance rates are very good, as the truck has 40k on it. I can't locate it, it's easily heard from both passenger and drivers side of truck. It isn't noisy any other time.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. 3303 posts · Joined 2011. #7 · Aug 17, 2016. Older generations of diesels ran up to 22:1 compression, GM engineers and Isuzu (guys who build and designed this motor) have explained the reasoning for it. It's an interaction of parts that are all within spec causing a harmonic vibration in the block.Jul 23, 2018 · • 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 ... 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.

What you are describing is the common type writer tick. Very common after an oil change. Basically you get some air trapped in the lifter oil passage and it takes a bit of time for it to work out. When my LMM does it it takes 30 to 50 miles for it to clear up. Some claim that T6 or Amsoil are more prone to this.. Fox 2 cast members

duramax ticking noise

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.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 Duramax ticking noise on acceleration is often caused by an issue with the fuel injectors or lifters. These components may become worn or dirty over time, resulting in the ticking sound. On this exciting adventure as we uncover the secrets behind the ticking noise of acceleration.lb7s are notorious for making ticking noises, it has to do with the tolerance in the engine. That can be one answer, another answer could be an injector is going bad, but i wouldn't worry about that if you're not seeing any difference in the trucks driving. 2002 2500hd 4x4 Lb7, 4 inch magnaflow with 5 inch tip. Save Share.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.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.49 posts · Joined 2014. #6 · Jul 23, 2018. The Typewriter tick has been in all the Duramax engines.. As the engines get quieter the noise becomes more prominent. Some people do find different brand oil seems to quieten the noise some but experimentation is key for some because not all oils act the same in all engines..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.Feb 16, 2011 · 2011 Chevy Silverado HD3500 - Duramax. The truck is one year old. I just did the second oil change because I was going on a cross-country trip. While picking up my camper, I hear the infamous ticking noise. One year ago, I had the water pump replaced due to a service bulletin. I thought it was the water pump starting to fail again. Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. ticking noise!? Jump to Latest Follow 2K views ...I have a ticking sound in my Duramax that is getting louder and louder. It is reminiscent of a bad lifter and gets louder under load. It occasionally gets quieter after it sits hot for a few minutes and I restart. Answered in 2 minutes by: GM Mechanic: GM Tech (Cam) GM Tech (Cam) : Hello, I'm Cam. Please include all the details about your issue ...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..

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