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...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 ...Thanks for watching! Make sure to Subscribe!Follow me on Instagram👇🏻@tyler.faix Email me at [email protected] for sponsoring/business inquires!Get 1...I had a ticking sound coming from the bell housing and it ended up being a couple of torque converter bolts that backed out and wedged in a slot behind the drive plate. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …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 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 ...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.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. 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.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.84 posts · Joined 2017. #3 · Nov 10, 2019. Mine makes a terrible noise as well when I shut it down - it's my wife!! 2023 GMC Denali HD Duramax - Black on Black, Long Bed. Soon to be Gone: 2017 GMC Denali HD Duramax - Deep Garnet Metallic Exterior, Cocoa/Dark Sand Interior. Share.Hey guys, so I have a 2020 3.0 duramax and almost every time I shut it off I get this sound that sounds like it’s supposed to happen, but I’m not entirely sure. Posting a video I found of another guys truck that does the same. I’ve been told 3 different things, EGR valve cycle, throttle plates adjusting, and turbo waste gate cycling.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. 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.Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 2009April 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 …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 7, 2021 · 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. 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...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 …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.. 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 ...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 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 sound. jump to latest follow ... 04 chevy duramax lly, banks intercooler, banks cai, killerbee ported intake elbow, ppe race valve, mbrp front pipe and down pipe, banks exhaust, ppe tie rod sleeves, built tranny from g&w diesel in memphis, 15% injectors, keys and blocks, 35s, 20s, 4.56's, and of course efi live from rob! ...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.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.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.The ticking sound could be a number of things that have already been described, but the combination of ticking/chirping could be as simple as your belt and/or idler arm. I see you are in ND. If your belt is old coupled with the cold temps, that could also describe your problem. It's a simple idea I know.Seems to be more pronounced from the drivers side. Can’t tell if it’s lower or higher on the engine but seems to be higher. Could be the high pressure fuel pump, it is located in the driver's side front of the engine. If so that is too bad, it can be done, but they are pretty rough to get to.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 ...When I crank my truck in the mornings or after it hasn't been running for a while, there is a ticking noise coming from the left fender well. Can't hear it from under the hood, can't hear it from the right front fender well. You can hear it from under the truck. The ticking is like a tick...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).Ticking Noise.....underload Jump to Latest Follow 30K views 12 replies 7 participants last post by copper duramax Mar 5, 2009What 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.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.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?January, 2022. Bulletin No.: 16-NA-372. characteristic and has no short or long term effects on the engine. DO NOT attempt 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, such as when going through a drive through.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 Seriesticking 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 ...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 …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.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.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. 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.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 …The ticking noise could be that you are snesative to the ticking noise that Duramax engines make, some more than others. The valve lash seems to be a noise maker. I hear ticking in my engine, but I believe I'm pretty sensitive to it. A little bit less noisy with 15W-40 oil vs 5w-40. But the erratic idling is something that you should address.Having a pet is a great responsibility, and one of the most important tasks is keeping them healthy. Fleas and ticks can cause a variety of health problems for your dog, such as sk...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.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 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 ...Ticking Noise.....underload Jump to Latest Follow 30K views 12 replies 7 participants last post by copper duramax Mar 5, 2009The 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...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 …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.hello every one!!in this video I show you how IU diagnossed an engine tapping noise on this 01 duramax.I was using the autel DS708 to diagnoss it and i show ...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.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 ...Apr 12, 2013 · Truck developed a ticking noise shortly after. The noise seems to be on the drivers side to the rear of the engine. Sounds loudest in the wheel well. Its not really loud but I can hear it from several feet away. The only other thing I have noticed is a slight vibration in my foot on the throttle that is only present when going about 45 mph. 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 …TrailBurner. 950 posts · Joined 2013. #5 · Jun 10, 2014. use a long screw driver to help locate the noise, top or bottom of the motor. Put one end on the engine and one end on your ear, it will magnify the sound. 86 253cc, 40pwk, CT OOF pipe. 99 583 Formula Z. 74 340 TnT- in progress/restoration. Owner, hellabrokeNH- coming soon.We got a noise!This is a 6.6 Liter Duramax diesel engine, AAM 1150 14 BOLT GM 11.5" REAR in a 2002 Chevrolet 2500HD with the with an Allison 1000 transmissi...Sep 21, 2010 · 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 ... 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 ...Weird ticking noise on 2015. It only happens while the truck is running and it's coming from the engine clearly herd from the wheel wells. It sounds like a hot exhaust cooling down and the crack/pop/ticks you get. Again it happens ONLY while running and the truck is not in a regen.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: 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 ...What causes the loud banging noise in my home's pipes? For example, when I turn off the faucet I hear it. Is there a way to prevent it? Advertisement The problem you are describing...'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. 87 posts · Joined 2009. #1 · Jul 12, 2013. I bought my 08 LMM with 163k on it and no noise. Now with 171k
May 29, 2020 · 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. 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 ...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 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 …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.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.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.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...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.We got a noise!This is a 6.6 Liter Duramax diesel engine, AAM 1150 14 BOLT GM 11.5" REAR in a 2002 Chevrolet 2500HD with the with an Allison 1000 transmissi...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. 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.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.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 ... 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.No its not hurting it. You can try & find another oil brand thatll maybe reduce the tick noise, or you just live with it. I use Rotella T in my LMM & Mobil Delvac Super in the LML. The tick is louder/more noticeable in the LML with Mobil Delvac Super. Both engine had been using Valvoline Premium Blue 15W-40, & the tick wasnt as noticeable. Go ...The ticking noise could be that you are snesative to the ticking noise that Duramax engines make, some more than others. The valve lash seems to be a noise maker. I hear ticking in my engine, but I believe I'm pretty sensitive to it. A little bit less noisy with 15W-40 oil vs 5w-40. But the erratic idling is something that you should address.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.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.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 …I’m hearing a ticking noise coming from my engine. As rpm goes up so does the tick. Anyone else had this issue. When driving you can’t hear it or notice any difference. ... ** 2.8L Duramax (GDE tuned), RevMax TC, GMC floor liners, Rokblokz mud flaps, ARE Z-Series shell, CX Racing trans cooler, DD SS3 Pro amber fogsThe 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.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.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...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 ...could possibly be the typewritter tick. Our old duramax had this weird ticking noise at idle and i believe it ended up being the bolts on the flywheel or something along those lines. I just know that my buddy fixed it for me when I took it into the dealership for a service. 2003 silverado 1500 - RIP. 2005 Sillverado 1500 - SOLD.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 ...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...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.***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 ...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. 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 …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 commenthello every one!!in this video I show you how IU diagnossed an engine tapping noise on this 01 duramax.I was using the autel DS708 to diagnoss it and i show ...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.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 …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.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 ... 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 …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.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 … Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Ticking noise. Jump to Latest F