A Catastrophic Failure On This 2020 L5P Duramax (The Worst Case Scenario Possible!)
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- čas přidán 28. 08. 2021
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This is the exact reason you don’t delete until the warranty is up. This is going to be a 20k bill. I’ll stick with a Banks derringer and pedal monster until my warranty runs out on my new 2022. Crazy shit
Moral of the story leave it stock!
Yes I 100% agree with you. I got a 21 Chevy 2500 I use it for work pulling trailers around working great so far . Had it 9 months and put 34k on it.
Good rule of thumb 25,000 mile minimum before adding performance parts on a brand new truck
Right, at least take advantage of the included warranty timeframe
Plus your engine matures around 25000
Bro got big balls modding his truck under warranty 😂 subbed
Did you compression test it? Even a dry crank to hear for a dead skip? Im betting that turbo blew the seal on the exhaust side. Any metal in the pan? Did it still have base oil pressure? Did it seize up?
Everyone is a genius. Until they're not. At least it's lifted high enough to where dude can mow under it as it sits.
Think of the comprehensive insurance cost he still will have to pay til paid off...lol
Truck already has a new engine and back on the road 👊🏽
@@DennyDiesel what happened to the engine
@@DennyDiesel wow that was quick! You know what the rough estimate cost wise was? Weighing in my options!
25k got a bunch of new parts head studs valve springs push rods etc
This is a complete nightmare, I’m perfectly happy with the stock power, aside from a CAI, pedal monster and derringer the truck is still an absolute monster and it doesn’t void warranty
I'm a Cummins guy but I absolutely agree..CAI, PM, Derringer. Done.
Same here . Though I love the sound of a deleted truck , I’m not messing with the motor .
You're not running stock power though if you have a derringer and a cai? 🤔
Classic example of why you need to monitor all sensors closely when playing around with tunes and adding huge turbos.
Plus, knowing how to write a good tune helps a lot too. There are tunes that "work" and then there are correct tunes. It's not just fuel and boost, there are TONS of other parameters that need to be looked at and modified.
Dang Denny, your a bad ass working on those complicated trucks like you do !!! By the way I was one of your first subscribers, I’ve been watching channel awhile. Great job 👏
Leave Stock = warranty not denied
My 2019 has been in twice for oil leaks. One was secondary oil pan other was an o ring in the hp4. At 46k so far so good other then that. The dealer wanted to pull some crap with a pcv reroute. I have most of the emmisions relation hardware. Just waiting on 100k or 5 years...
Can you run trans tuning with a ratiotek rt-a10l-pr shift kit?
Sounds like it had positive crank case pressure. And the oil took the shortest route out which was through the turbo housing.
it usually eats it - (runs away)
I'd be willing to bet the pcv mod created an issue at some point after it was installed. I guess...at this point... it really doesnt matter what has happened if your committed to pulling the engine out and tearing it down ...You will find the problem. But if it were me ...and the engine wasnt makin HeLLA Bad Noises ...i would put injectors back in , PROPER ENGINE OIL LEVEL back in , and hook it up to where it would just run without the turbo and start it up for a few seconds to see what amount of oil it puts out thru the exhaust side of engine.
IT COULD BE LEAKING FUEL INTO THE ENGINE OIL PAN (thru a physical leak or bad tuning / timing) AND RAISING THE OIL LEVEL TO EVACUATION LEVELS AT WHICH TIME ITS GONNA GO OUT THE EXHAUST FIRST AND IF YOUR LUCKY IT WILL NOT HURT THE PISTONS AND RODS WHEN STARTED AGAIN. ( Bad Noises !!! )
@@bobocaterpillar3697if it’s just 1 cylinder it’s not going to run away
Keep ur head up my man minor set back for a major come back.
If its blowing out of the pcv you've probably cracked a piston
Alterations void the warranty. Your ALWAYS better off to leave things stock factory original.
Why if you can afford to modify? Not like these get the life time warranties no more. If that was still the case I would leave it stock. My old 6.0 had a lifetime and let it be
Definitely compression test and also have the turbo checked it will fill the hell out of everything with oil when my lml burnt a piston from a bad injector I just took the oil fill cap off you can tell right away it will be puffing out of the oil fill. I feel your pain 51000 on my lml and pulled the engine. And it did come out the top without removing the cab. I'll pray for ya. Also pcv reroute is a good thing look at the big rigs.
Reason #1 why I don't do any powertrain upgrades until the warranty has expired.
Time to add some ARP studs, cosmetic gaskets and some forged pistons!!
That’s an expensive shame…
I love your videos Denny.. been watching for a year
Haha I love both your guys vids
Bruh I’ve been watching rcsparks since I was a little kid
What about compression testing it??
Dude you gotta check the turbo make sure it's not the turbo because if the bearing take a shit it will just dump the oil to the exhaust and because it sits on the pedestal the oil will flow down as well as out the exhaust pipe
Turbo was already sent out and looked at not the turbo
Jeez, almost seems like a 6.4 Powerstroke type failure
This truck had been modified most likely why it failed. Catastrophic damage doesn’t happen instantly it’s a build up.
@@moavic5087 yeah 6.4s do this stock
Hey don’t bring powerstroke into this mess. Chevy messed up here. Lots of new 6.7s doing all this same stuff or running dual turbos without blowing into pieces….
@@outlawdiesel5221 L5P is no 6.4L, lmao. Not even close. Just saying it reminds me of something that was common on the 6.4’s. L5P is FAR superior to those.
Any updates on the motor.
How big is the turbo ?
Why would anybody do all of that aftermarket crap on a 70k truck to void a warranty. So now the guy gets to spend 15 grand to fix it when he could have kept it stock and had the warranty take care of it. Not too smart
It’s Just money they print more of it every day
@@DennyDiesel that's the dumbest shit I've heard lately.
So what was it? Valve seat, cracked head, cracked block??? Not too many ways to spit oil out the exhaust un-burned and have clean coolant. I am interested in the solution because when a seal goes in a turbo it looks just like that. Was it check by the company that sold it to him? You know they did not cop to their first gen stealths grenading until it happened to enough people and word got around. thus the need for the non-grenading gen 2 stealth.
Hope the guy has deep pockets. Gotta pay to play!
Pull the valve covers and check the push rods they are known for bending on l5ps and causing all types of issues like this
I'm not sure he can complain about the warranty being voided. I mean we know these trucks can handle a lot, but it's pretty clear when you do this much modification GM shouldn't be on the hook, nor will the dealer want to touch it for 60% warranty time.
He wasn’t… he said “ you can’t really blame them, they’re doing their job”
@@1911Sabbaticals this guy wasn't saying that but he's not the owner though.
Like I said In the video a different dealer voided the warranty when it went it for a oil change before it blew. Our local dealer said they would have covered it if the first dealer didn’t void it when it went in for an oil change
@@DennyDiesel I have my 2019 f250 deleted with 39k, and never take it to the dealer and if I do I'm installing the dpf back on.
I really enjoy watching your videos man! Keep up the good work.
Agreed leave stock til warranty ends. Sucks but that’s what happens with the warranty.
My condolences to the owner.
My 2020 Denali keep showing “poor def quality 98 miles to limp mode” then just magically goes away been in the shop 4 times same issue said they can’t figure it out they offered to lemon law it from California for a replacement do u know anyone that has done it do u get screwed on a replacement any info is appreciated
My 2020 fully loaded LTZ 2500hd has a similar message pop up at random and then go away after a while. "poor def quality, speed limited to 65 mph in 98 miles" I'm not sure if the Banks monitor is causing an issue being plugged in, as it hasn't happened on the few days I drove with it unplugged. The dealer couldn't find a problem........also in CA. The truck is stock, never tuned or modified. I haven't heard of anyone doing a lemon law replacement.
I've been to the Duramax plant for a tour. Each and every Duramax is put on a dyno and run HARD. I'm talking exhaust side of turbo is red hot. Understandably some of the engines are rejected. I was hoping to see one pop while on the dyno. They let us peak through the door for just a few seconds. Engineers claim the rejected engines never see the light of day. I hope that's true.
How is the new engine cost?
Duty cycle, they can take the abuse but for how long at a time. I’ve seen a lml ton truck with just a tow tune crack a piston. It was pulling a mini x up a grade continuously loading the engine hard. Same reason big trucks may have a 15l engine with a 10 gallon oil capacity only making 500hp.
My c-15 holds 15!
That l5p comes just shy of 500hp and just under 1000 lbs of torque. It will pull my cat 906 all day no problems.
True but a 3406 cat making 400 hp can pull 100000lbs up mount eagle because it’s larger duty cycle. It’s not about how much power it can make it’s what it can efficiently cool. The 3406 can run at full throttle 100% load all day long and still last.
CCV internal housing failure?
The exact same thing happened to my dad today pulling a trailer down a hill and he had the exhaust brake on and it started downshifting to slow it down but it kept going and we heard a loud clank and oil shot out and smoke started billowing out and the tires were covered in oil and we almost lost control and slammed into a wall but my dad managed to save us with no power steering and it started to pour out oil
I put an engine in a 2019 dually with 40k on it spun bearings
According to the Magnuson-Moss Act, a vehicle manufacturer cannot automatically cancel your warranty just because you’ve installed aftermarket car parts. This is an illegal practice. That said, if your aftermarket part somehow causes or contributes to a failure in your vehicle, the dealer may be able to deny your warranty claim-as long as they can prove the connection. In these cases, the burden of proof is entirely on the dealership.
it's pretty easy to make your very own bad luck....you did it...you own it
Not my truck like I said if you watched
I have only heard bad things about the L5P modded or not looking to be a 2021 6.0/6.4 money pit
Brother in law has a 2020 duramax gmc Denali. 7k miles and been to dealer 11 times for brakes, electronics, pushrods, 10 speed trans issues. 85k truck and He is not happy. I don't blame him.
Hey we have ford's same era in shop too I have one I worry when check engine light goes out
Had a 2021 3500 dually that overheated at 19k miles took out the motor luckily not modified and still under warranty, 22k in repairs covered by power train
If you are going to play then be willing to pay
I feel bad for your buddy, but I’m glad it’s not your truck, At first glance I thought it was. My 18 high country l5p runs absolutely great. It went on diet sept. Of 2017 at 7 miles no kidding has 42,000 now , and runs so good just on stock fuel Turbo etc …….
Why didn't you scope it takes 5 minutes and hook it to the computer
Time to upgrade to the ol trusty lmm
Compression test it before condemning the engine
PCV re-routes are a dumb idea. This whole thing could’ve been avoided by just leaving the PCV system alone.
Exactly what i was thinking. Built pressure and it had to go somewhere.
Yeah I think before you call it a engine trashed, rebook the pcv up correctly put everything back together add oil and test it with the pcv rerouted that would be out cheaper then a new engine
Gm marine engines are getting bad blocks as well lately. Pistons going out and burning plugs on gas engines
What a shame that he may have gotten a "Friday engine" from the plant. It would be an even bigger shame if there was an unfortunate electrical fire that erupts during disassembly (outside) at the buddy's shop, totaling the truck and requiring a call to the insurance company.
I’m with this guy would be a shame for this truck to end up totaled in a ditch somewhere…
Why does that stealth turbo have so many fan blades there should be less on the stealth should only be like four blades
My son has a 2019 Chevy 2500HD Duramax 445hp 910lbs toque. Plenty of power. I have a 2001 Chevy 2500HD Duramax LB7 with only 92,000 miles, with up grades K&N cold air breather and a tow tuner. Stock it had 235hp and 500 lbs toque. I estimate now within up grade 280 to 345 hp. and 580 to 650+ lbs of toque depending on the horsepower of the tuner 40 or 60 and 15 to 20 hp of the K&N breather. Multiply by 1 1/2 for the toque. The previous owner had the up grades done and he pass away (RIP) so I have known idea what tuner he put on it or the horse power. He raised and trained horses so it reasonably he had a tow tuner put on to pull the horse trailer..I also have a 2004 Chevy 3500 8.1 Vortex to pull my heaviest loads my work truck. To me my 2500hd Duramax LB7 has enough power. And my son’s 2019 2500 Duramax has at least a third more power then my 2001. My 2001 gets great mpg on the highway 23+ mpg with the new smooth gas saver highway all season tires. I believe the biggest factor in saving fuel is slow accelerating. But who doesn’t love to feel and hear the power of a truck or farm tractors which I have 3. Your friend voided the warranty of his new truck, sorry for his loss, when doing up grades do what is safe and effective for your engine/ truck.
Your buddy has my luck.
That’s crazy I have a 96 Acura integra that I modified and added a turbo charger the car has 300k miles and the engine has never blew up on me and we’re talking about a 4 cylinder engine that originally had no turbo and was never designed to have a turbo has handled the turbo for over 5 years it’s a daily driver built in the 90s back wen cars were actually built well and with pride to withstand the test of time I paid 2gs for it crazy to think these 80k$ trucks are blowing up in less than a year
Voids warranty immediately with mods after buying truck and it destroys itself
The tech void the warranty because he gets pay up to double if he doesn’t warranty your engine. Example, if he did the engine replacement under warranty. He gets pay 15 hours to replace that engine. However if it’s Customer Pay/non warranty, he gets pay double that time. That’s just how that world works.
My 2023 6.2 Denali gas broke also 😩 new engine are bad
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Yikes. Expensive day. I own a 2019 duramax and happy with it. I will wait till the emission crap fails before any mods.
These are EXACT reasons I drive gas motors. Will your soot-blower outperform my gasser?? DEFINITELY! I've personally ran 6.0 gassers 300k+ miles and all I ever did was change spark plugs & wires. Cat-backs, CAI, & tuners on all of my trucks. It's pretty common to see the GM gassers hit 300-400k, AND you can buy a whole new complete engine for under $6k. I've got buddies who have Duramax, Cummins, & Powerstroke...ALL have easily stuck $5k-$10k into repairs...You can have them all, I'm LOVING my new 6.6 gasser!
I would at least borescope the cylinders.
If the oil was blowing out of the exhaust he had time to pull over and shut it down before he smoked the motor sounds self inflicted.
Every make/model has their own issues
So you post a video that is 8min plus and the take away is....... You really have no clue what is wrong or why it failed? Come on man.
Somehow oil went out the exhaust through the up pipes, through the turbo, into the intake, and yada yada yada.
A pressure test on each cylinder through the glow plug hole would have narrowed it to a single cylinder or a full bank if the head cracked.
Totally looks like the seal blew in the turbo and the truck ate and breathed all the oil, especially with no oil in the coolant and no coolant in the oil.
Does the motor turn over or did he run it until it quit?
Turbo was sent off and tested all good but nice try tho
My hp4 just shit at 12k miles and took gm 3 weeks to trouble shoot the problem. All stock
That's not GMs fault, that's the incompetent dealer's fault.
When my engine dies I will replace it with a 572 or 632 for HP & TQ.
I compound turboed my lbz and had oil pump out the exhaust.i shut the truck off after safely pulling over. After I pulled it apart I noticed the crankcase was building excessive pressure, all it was, was a defective oil filter that wasn't allowing the oil to circulate.its not always a bad engine.or hot tuning , before you assume the worst go through the truck ,think about the last work you did to it and go from there. It's sad to read some of these comments.people sound like fools.
It's been 7mo or so. Did you determine what the issue was? Did you rebuild or get a new motor?
Check the latest upload
Either a friday evening engine build at the factory, lol or the timing on the tune was a bit aggressive which is why egts wouldve looked good , but cylinder psi wouldve skyrocketed.
My money is too wide of pulse widths on the stock injectors.
@@tdv1985 pulsewidth would have the exhaust temp very high.
@@TAGDIESEL well considering the engine is down I imagine him pushing the stock fuel system, the pulse widths on likely advanced timing would make a piston leave the chat. Anytime you spray fuel outside the piston cups , which is exactly what happens with stock nozzles and injectors with advance fuel timing, you're gonna break or melt pistons. They aren't designed to withstand load oun the outter skirt. This is why so many LBZ, LMM, have so many cracked pistons. I haven't seen this engine torn down, but I would put my money on his tuner turning shit up that isn't meant to be turned up that much especially on advanced timing. But again, just a guess.
@@tdv1985true, Gale Banks says he never goes past a 30 degree timing for injectors for exactly that reason. He did it for a world record run one time and tore the engine down after and showed the effects from one pull. Obv it was turned up a lot more than this but still.
My buddy just had his L5P replaced by the dealer at 75K miles. NO oil was getting to the drivers side head, it was dry ! How it made it to 75K miles is beyond me but it really says alot about the L5P. $45K is what the dealer priced the engine at 😳
Guess he might as well build the motor for 1000+ hp
After $60k for the truck or whatever. That's a hard pill to swallow for most
@@mrmotofy pretty sure that's an $85-90 K truck, err was an 85k truck. But as I,read above it already has a new power plant.
That's sitting on a $80,000 truck I think he can afford a new engine it sucks but I would personally take it apart and build it myself long as you got good block good crank build it yourself
All of these people saying he should have left it stock until the warranty expires, deleting the bullshit emissions on these trucks is the healthiest thing for them, with proper tuning of course. My guess is he had shitty tuning and possibly some underlying condition. My 32k mile LML broke the crank...I found out later GM does not do any QC testing other than a ping test on their crankshafts and there are hundreds out there who experienced the same thing as me. I wouldn't rule out that it was just a bad apple.
Lol what warranty 😂
R.I.P
You go to the dealer and ask the tech to not void the warranty? Unless you slip the guy a few hundred bucks I don't know any tech that likes warranty work or labor times
He should have gotten engine coverage from his insurance company like AAA Will sell you The coverage for about half the price and you can take it to any shop AND it doesn't have to be The dealer!! Because from My experience the dealership doesn't have The costumes back!!! The point is that if you buy a hi performance vehicle and you intend to modify the engine just get the extended warranty from your insurance company because when the dealer decides that the engine was modified they will look for any excuse to void the warranty!!!!
Shitty Tunes, makes Boom 💥
Tunes were top notch far from junk lol
Good ole SDT...hahaha
Truck would have been blown 20k miles ago if that junk was on there 😂
For all the guys saying it was modified or deleted and that's why it happened. WRONG! I have my stock 2020 GMC Duramax in for a new motor due to some sort of lifter failure. I also have a buddy who had his replaced also because of the same thing. Mechanic told me he is seeing them more often now with the same failure. I've had every version of the Duramax none have had a trans a engine failure. My 2020 has had both. My last truck was deleted with 500 miles on it. I sold it with 250k miles without any issues.
That's why you don't mod these new trucks that's a 10,000 dollar motor plus labor
It’s just money man
I’m confused is it your truck or your buddies 🤔
Nah this truck was just built on a Monday in Detroit after the lions lost
Trucks are too expensive to destroy just to have fun in. Modified and drove the shit out of it. A recent video of a guy needing a 5.7 for a Tundra gets a quote of 32000.00 refused warranty. Mud and water in air box. He doesn't have time for it. He is getting paid to work on it right? Not many people want to get caught up in your shit if it goes south. These engines are no joke. How bout watching how complex they have become and then decide you can afford to be stupid.
Sorry bro. Hopefully cheaper than my trans. 10k for built trans
I wouldn't of took the chance at the dealership hoping that they don't say anything I would have put that truck right back to stock I can only imagine how much it costs for a new engine 😢 but ya that's a bad hit 😢
If you want to turn up your Diesel engine take it to Gail Banks, when he turns up the power he also bolsters everything needed to sustain the power increase.
The owners going to have $120k in the truck or more with sales taxes....just leave it stock. Buy an older truck and sup it up and tow with the new one like Truck Master..... Duramax engines are too complicated to really keep up with....I have a 6.0 gasser and I can put a brand new engine in for $6k
This is why you don't delete the trucks until powertrain is up. Now he has to pay for a whole new engine instead of his warranty taking this hit
Bad tuning 100 percent
Negative tuning was 100% top notch
It is not a one in 1 million case. I’m on my third engine in 170,000 miles and I did not delete it it was always bone stock with perfect maintenance done all I did was tow the amount that it said was capable of. One time a catastrophic hole in piston number eight at 116,000 and a cracked piston we are not sure which probably eight at 167 exactly 50,000 miles later is never abused never run hard other than like I said towing what they said was capable of. These are not all they’re “cracked up” to be pun intended
2024 with 500 miles no performance upgrades she sounds like she has rod knock
Just think, if you would've purchased a 2020 powerstroke instead, you wouldn't have needed modifications to keep up
Regardless of what the failure is. I wouldn't put a stealth turbo on my huffy.
Why do you say that for? What is wrong with the stealth turbos?
1000hp l5p are ones you see on engine dynos. Low torque. You don’t see them putting that power to the ground.
Really? 😏
Shit.... torque on these when it hits 500 hp at rears are well over 1000 torque.... idiot comment
seems to me calling it a catastrophic engine fail before determining exactly what failed is premature and inaccurate. Excessive crankcase pressure or turbo seal could easily cause these symptoms and certainly the lack of oil remaining in the pan is going to finish the engine off if not shut down immediately. My money is on a kinked or collapsed pcv vent tub and the oil pushed past the turbo. It's not like theres a lip seal in the turbo cartridge that can be looked at post mordem, its a metal ring that will show no obvious signs of a failure
Guess I was pretty accurate then as it was a cracked piston
DO NOT DO THE PCV REROUTE!! Diesel engines need a crankcase vent for a reason! I bet you this was a contributing factor to the reason this engine failed and probably was leaking oil. Pressurized Crankcase Vents are part of emissions controls. rather than vent to atmosphere, like older diesel engines, the blow-by travels through a filter and then finally, into the oil pan. I am saying all this as a Heavy Duty Diesel/ Equipment mechanic. PCV type tech exists on all modern diesel engines and I see them all the time on the equipment I work on. I am all for deleted diesel engines, as emissions system errors can be expensive and can cause downtime for your rig. As for this guy’s PCV reroute, absolutely do not do it that way. If anything, you could cap off the lower hose that drains back to the oil pan, remove the PCV filter housing, and route a hose that goes down past the engine. Bottom line, engineers, who spend time developing this shit, are doing it for a reason. If you’re going to remove/delete your emissions system, do your research, and take it to a professional/someone who knows what they’re doing.