Duramax ticking noise - 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.

 
Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. ticking noise!? Jump to Latest Follow 2K views .... Pilot hubbard ohio

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.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...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 ... 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. Apr 22, 2009 · 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. Joined Jul 12, 2017. 1 Posts. #45 · Jul 12, 2017. Typewriter Tick. I've owned 6.2 liter diesels and swore I'd never own another due to the terrible noise. When I read/heard GM had a new 6.6 for 2017 and it didn't sound like a pile of trash cans being drug down the road I signed up. In February I bought a Sierra Denali 2500 HD with …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.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...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.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.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. Brand new 2021 duramax making this ticking sound from underneath. Anybody have any ideas? Dealership says break it in...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 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.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 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 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.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.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 ...Jul 12, 2013 · 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. Ticking noise. Jump to Latest Follow 41 - 41 of 41 Posts. 1 2 3. Durallymax · DuramaxForum Veteran. Joined Mar 3, 2008 · 4,790 Posts #41 · Mar 4, 2010 (Edited ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 207.6K members2018 duramax random tick noise? L5P: Jump to Latest Follow. 20K views 7 replies 6 participants last post by X96mnn Jan 2, 2020. 2018 DURAMAX Discussion …There are several sound files for noises that may be heard from the DuraMax L5P engine. The first is a noise heard on coast down. Take a listen: This is actually a normal noise. During coast down, the ECM turns on one injector to determine specific fuel trim for that injector. On the next coast down another injector may be triggered so the ...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: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. 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.Thumping or knocking noise coming from what sounds like the rear of the engine. 2020-2021 6.6L 403 CID L5P #PIP5711A Duramax warm engine idle knock noise. Characteristic noise being amplified by the transmission bell housing. This noise has no short or long term effects on the engine.Mar 14, 2011 · 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. 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...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 …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.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. Ticking Noise when Engine Block Heater plugged in. ... Fuel race valve, duramax tuner LBZ induction kit, BD High flow manifold,SDP full EGR delete w/ LB7 up pipe Rareparts G2 tierods, rare parts pitman, ultimate idler arm, supersteer idler pivot, cognito UCAs leveled with 315/70/17's, Monomax shocks, ...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.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 …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 …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.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 ...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.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 ...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.lubeman1969. 1810 posts · Joined 2008. #10 · Sep 23, 2010. Dont worry guys...its the famous LBZ tick!! There is a service bulletin out there somewhere from GM that addresses this issue, and it is perfectly normal. Someone else may be able to chime in, but I see a sticky attatched a couple threads back. 2006 2500 LBZ CCLB * NFAB STEP BARS ...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.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.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 ... Noise Engine noise most audible when engine coolent temps of 70 C or 158 F , or higher and from idle to approx. 1500 RPM. Make sure your out of your truck and …Apr 29, 2009 · 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. 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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Engine Knocking Noise. Jump to Latest Follow 47K views ... If it sounds like a really loud ticking noise then you might check this out:03 duramax edge juce w/ attitude monitor k&n cold air intake 5" straight pipe:rockin ppe bost valve 295/75/r16 bfg's for looks: chrome grill and brush guard, line-x, touchscreen cd player, all windos tinted, nurf bars, 6" tipi 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.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 …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.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.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...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 ...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. 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.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.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 ...#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..."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.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.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 …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.Jul 22, 2018 · 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.. #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...Jul 26, 2019 · 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. There is a ticking coming from the driver side that I can tell and I have no clue what it is. ... Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. Ticking noise! Jump to Latest Follow Hey Everyone!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 …42 Posts. Discussion starter · #110 · Mar 22, 2020. At long last GM contacted me yesterday and advised that they are working on a repair for the throbbing/knocking sound a lot of 2020 Duramax owners are currently experiencing. They advised that the Dealership will be in touch with me when they have a repair bulletin.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.'01 2500HD Duramax LB7, Xtra cab - short box w/ 8' Blizzard Plow, otherwise bone stock. ... Idle it sounds normal Cruising is normal but under acceleration it has a weird sound to it. Like a loud ticking or soft knocking noise to it. Please :help . SOLD TRUCK: 2003 Silverado 2500HD, Ext Cab, Short Bed TUNER:Quadzilla On 90Hp2019 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 ...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 ... 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. 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...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.Jan 16, 2019 · 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. Ticks are small, blood-sucking parasites that can transmit diseases to humans and animals. While prevention is the best approach when it comes to tick bites, it’s essential to reco...

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.. Seating map of daytona international speedway

duramax ticking noise

Jul 26, 2019 · 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. 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 ...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 ... 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. 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...A whining sound in your car’s radio is likely to be DC noise from the alternator, especially if the pitch of the noise changes with engine speed. Uncommon in most modern cars, 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.This article applies to the Chevrolet Silverado GMT800 (1999-2006). This article will identify and address these categories of noises: Engine squealing, knocking, clicking, and coughing. Drivetrain clunking, steering whining, and clunking. Suspension grinding, and brake screeching.NOTICED BOUT 2 DAYS AFTER THE SERVICE A TAPPING NOISE FROM MOTOR REALLY NOTICEABLE ESPECIALLY FROM DRIVER WHEEL WELL . …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. 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 …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.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...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.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..

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