Duramax ticking noise

***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 ...

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

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.

The noise is not audible at idle or deceleration, only upon acceleration or when cursing down the highway. It seems to be loudest when the engine is hot 90+. Just Bought the truck and have previously owned a couple doge cummins. They were loud but they hummed along rhythmically not this random clacking and ticking.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...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.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.Thanks for watching! Make sure to Subscribe!Follow me on Instagram👇🏻@tyler.faix Email me at [email protected] for sponsoring/business inquires!Get 1...Fairly common for these trucks' brakes to rattle on rough roadways. The clips/ retainers wear out and allow the pad to rattle in place. Hold your brakes lightly as you drive. If the noise goes away, you've found your issue. 2009 Imperial Blue Metallic GMC Sierra SLT 2500HD Crew Cab - Littleton, CO.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 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.

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. Apr 25, 2009 · Ticking noise Jump to Latest Follow 3K views 7 replies 4 participants last post by abbo Apr 26, 2009 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.Nov 14, 2019 · 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. 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...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.

Most often, ticks live in wooded and brushy areas. If you walk through their habitat (or if your pet does), a tick may latch onto you, often migrating toward the warmer areas of on...I have a similar ticking noise in my 2017 Sierra but I only notice it at really low speeds. It stops when the truck stops and immediately picks back up when you let off the brake and the truck starts to move on idle. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about ...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.

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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.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.#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...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.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.

Ticking noise under acceleration. Hi everyone my 05 LLY has developed a awful tick under load. I believe it may be dirty injectors. Still plenty of power and I use Howes diesel treat with every tank. I got fed up a added half a bottle to one tank and the sound went away but next tank it came right back. It started to happen about a year ago and ...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: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...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.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 ...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. That is the correct procedure. However, if the knocking noise stopped, whatever was causing the noise wasn't spinning. That's how you've eliminated the engine internals. If the noise continues when the torque converter is no longer attached and spinning, then the noise is coming from something that's moving/spinning. That's something in the engine.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.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 ...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...After replacing Every Pulley including A/C Clutch Assembly it turned out to be the Serpentine Belt...who knew!

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.

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.low speed clicking noise Jump to Latest Follow 275 views 2 replies 2 participants last post by SparksAutoMobile Dec 17, 20232018 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 …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...with 6.6L Duramax™ Diesel Engine (VIN 1 – RPO LB7) Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70°C (158°F) or higher and from idle to approximately 1500 RPM. The noise usually is most noticeable at the rear of the drivers’ side front wheel well.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 …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.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 ...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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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...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).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.Another note in the underwater soundscape. Some underwater snapping sounds are obvious—the jaws of a shark, the movements of a pistol shrimp, maybe even a parrotfish having a snack...The noise could be described as an irregular ticking or clacking sound like random typing on a mechanical typewriter. This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when in fact it was masked by other noises in the past.Chevy / GMC Duramax 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:Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. Help! Ticking noise. Jump to Latest Follow 21 - 40 of 40 Posts. 1 2. TakeEm · Registered. Joined May 24, 2011 · 3,851 Posts #21 · Jan 25, 2013. Only show this user. Either way. I like checking it just at idle. ...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.These 5 ways to make some Halloween noise finish up your decorating. Learn 5 ways to make some Halloween noise. Advertisement You have the perfect costumes. You've got decorations ...Sep 9, 2010 · 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. ….

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...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...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...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...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.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.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 …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 … Duramax ticking noise, By promptly addressing an issue of this nature, you will minimize the occurrence of serious, and permanent component damage. The following are several likely causes of engine ticking, following the completion of an oil change. Low oil level. Loose oil drain plug. Loose oil filter., 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 ..., 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 ..., Sep 9, 2010 · 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. , 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., 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., 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., 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 …, 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., 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 …, 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. , 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., 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., 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., 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. , Ticking Noise.....underload Jump to Latest Follow 30K views 12 replies 7 participants last post by copper duramax Mar 5, 2009, 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., 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..., 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 ..., 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., 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..., 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., Sep 21, 2013 · 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 ... , 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., 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, ..., 2018 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 …, I have a knocking noise upon deceleration on my 2017 duramax Silverado.. It happens between 1600-1100 rpm. As I decelerate between this range, it will start to knock at around 1600 then go away at around 1500 then start again around 1400 and stop at around 1200 and a third time at 1100. It sounds like a lifter smacking the camshaft., I have a 2003 Duramax and I had that ticking problem when I bought it. I put in the diesel fuel supplement in the grey bottle according mixture on the bottles directions to raise cetane level and lube injector pump and injectors. in one treatment ticking was gone and real noticeable power improvement. worked real well!!, I'm a diesel owner as well and have this ticking noise - constant, steady ticking when traveling at low speeds. I notice it when I'm at the coffee drive thru and I can hear it quite well as it bounces off the adjacent wall. I have service scheduled tomorrow and plan to have it addressed. I see a number of diesel owners in this thread., 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 ..., 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. , 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., with 6.6L Duramax™ Diesel Engine (VIN 1 – RPO LB7) Some of the above vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70°C (158°F) or higher and from idle to approximately 1500 RPM. The noise usually is most noticeable at the rear of the drivers’ side front wheel well.