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@@OhAncientOneIt's not a dumb question. Diesel engine runaway occurs when a diesel engine ingests a hydrocarbon vapor, or flammable vapor, through the air intake system and uses it as an external fuel source. As the engine begins to run off these vapors, the governor will release less diesel fuel until, eventually, the vapors become its only fuel source.
@@alexsigler299the thing about a runaway diesel is cutting fuel doesn’t always stop the engine because it can continue running off its own oil if you blow a ring which is very possible since you’re already way overrev
@@TheProdigalCat “a book” was a simple ass example to get the rusty ass gears in your brain moving. I knew it would be hard for you to picture the plethora of things laying around a typical shop workspace that would all be better for this than a rag. Scrap wood. Piece of plastic. 5 gal bucket lid. Literally anything hard and flat, all within my reach at this moment. aLsO a BoOk? Come on man, pick one up every once in a while
Props to him, but he could've stopped it even a little bit quicker than he did had he not stepped away to get whatever he got. The minute she started running away, he could've sacrificed his hat and ended it 5 seconds and 15,000 rpms sooner
That depends on if he decides to incorrectly install the throttle cable again. The only way for that to happen is to not have the correct pin in it and probably be using a little bent piece of metal LOL
@@jacob-qz3kd you can buy a 4-71 for 4-5k all day, tons of them around and they last forever, still running mine (40 years) and with was built in the 1960s and worked ever day. Still the original motor and parts.
@nk-dw2hm He was using his second hand to make a COMPLETE seal. There is a gap between his thumb and index finger allowing air in still, so he uses his second had to seal the small gap between fingers. Not to peel his hand off the turbo
My diesel class teacher always said "NEVER try to stop a runaway with a soft cover textbook, always use a hard cover or our handy runaway stop plate". The runaway stop plate was a small square of plywood with a boat cleat attached for a handle. We were working on Detroit 471s at the time, the blower on them is like a meat grinder and apparenly ate a soft cover textbook and spit it out the exhaust in a fireball and kept running 😮
@@wolfy5svn945 we had a 371 running without a head gasket. Red RTV did the job for the classroom demo. That Detroit was another team, my engine was a 12v Cummins ISB. The teacher said at the beginning of class that these engines would never run again due to lack of a complete parts set. We assembled it without a thrust bearing because we didn't have one thinking it wasn't supposed to run... End of the unit we had to run all of them, even ours with no thrust bearings and 2/6 oil rings... I've never laughed so hard watching the flywheel gear hit the bell housing throwing sparks 🤣👌
@@crzyautochic4807stuff like that is everywhere from juice wrld lyrics to kobe Bryant dying in a helicopter on some cartoon years before it happened just no one notices it until it's in ur face
All oil drilling rig site trucks have a cutoff in case natural gas leaks from the well into the atmosphere. The natural gas would cause an engine to overspeed until it blows up.
@@TheOath888it happens when like a vapour or and exhaust gets in the intake causing it to go faster every secong because the air in the cylinder explodes faster and faster due to being flammable
@@TheOath888diesel problems, probably oil seal where it started, sucked it up and burned it. Governor stops running fuel to it and the oil keeps getting sucked into the intake.
@@TheOath888 I don't know how long it ran before this occurred, but given the amount of smoke, (not much) I suspect a governor adjustment was incorrect. When the buffer screw is in too far, the fuel control rack hits it too early and bounces to the full fuel position, and with no load and full fuel, the RPM's are limited by how long the rod bolts can hold. started my diesel career in 1979.
@@KingCeee fuel getting by makes it run away. It will spin barrings fuel pump is broken. Just wait for diesels art designed to be run at higher rpm's He just kept the rod from snapping their spun bearings lack of oil at hi RPM'S
@@John-j8gfuel isnt the only thing that causes a runaway motor it could also be an oil leak… likely from the turbocharger in which case it was already broken. motor aint broke tho due to his quick thinking so might wanna reword your comment, pessimist.
The old two stroke Detroit's had the flapper valve,I pulled into a gas station in the 70's before gas pumps had the fancy recovery systems they got now,my truck ran away just from the heavy gas fumes in the air,
Quick thinking, but NEVER put your fingers near that damn turbo !!!! I had a co-worker lose 2 fingers when he got to close and it sucked them right in. That thing is one heck of a vacuum cleaner !
remember the rules of fire control: fuel + oxygen + heat = fire. get rid of one of them and it stops the fire/engine. he cut off oxygen. easy peasy. smart guy! respect!
Damn that was some quick thinking i thought he was gonna throw his hat in the turbo lol just glad he didnt stick his fingers too far in there😳....bad ass truck🤌🏼🔥
For those wondering - this is called a runaway. Common on diesels, basically, an oil leak in the turbo on the inlet side drives oil (which becomes fuel) into the combustion chamber, rapidly increasing the chamber pressure, driving up RPM, and sucking in more air and (oil) fuel. The only way to stop it is to dump the vehicle into high gear and hope to stall, or, if you’re near the turbo inlet, starving it of airflow!
Thank You!. I've only seen it in a couple vids as :This happened" until I watched 1 of the Twins from Australia ruin his trans by shoving it into 6th while stopped.It did.It's been a year since they worked on it,onscreen. It was a "Sema Show" winner. Those who know,will know."79"..
After running at those high rpm’s, not so sure it’s saved. If there’s enough oil getting last the rings to make this happen, it’s pretty much done anyway. 🤷♂️
@@Fin3rain True, but this guy seemed to know what’s what, and he didn’t go for the fuel cut-off. Most diesels have some such mechanism, but might be it was just easier to use the rag to smother it. Definitely not a lot of time to think about it - he had to act quick.
We had this old head working on a Finn hydroseeder about 20 years ago and it took off running backwards off the motor oil. He was under it on a creeper and tried to get to the fuel shut off. I was yelling but he couldn’t hear me. I grabbed his feet and snatched him out from under it a split second before it blew. A piston rod hit the 4,500 psi concrete where his chest was so hard it mad a 1.5” deep crater. He was always a real jerk to me before that day. I see him in Lowe’s or Home Depot every now and then. He shakes my hand and smiles with that look anyone could recognize.
I always use a flat piece of wood cut in a circle, with a block handle and call it a chicken plate. If you’re not confident you rebuilt the fuel system right it will save the engine and not damage the turbo.
My dad taught me that trick years ago. Had a rubber backed pot lid that fit over and a co2 fire extinguisher. For when running the rack with the plumbing installed or for when the plate on the turbo fails because the seals let loose and its sucking enough air and oil through the oil pan drain to keep running.
for those who dont know: the turbo is connected directly to the manifold, which makes airflow. if you block the turbo, it stops the airflow from the pistons. therefore making it hard for the pistons to move easily, or even "killswitching" the engine.
@@xm4366_ *tl;dr To avoid engine damage. Excellent question.* In a runaway situation (or 'dieseling' as it's known in gasoline engines) you have an out-of-control process. That is, the engine is automatically sucking fuel in and auto-igniting it, causing the reaction to repeat with increasing speed. The reaction that drives it uses a fuel (diesel here) and air to produce combustion. The compression in the cylinder (along with its ambient temperature) is enough to ignite the fuel/air (aerosol) mix without any external support. Thus, you have a choice: cut the air, or cut the fuel. The mechanic chose air, most readily available/reasonable thing to cut, whether practically and/or because it was the first thought they had. The quickest way to do that was to jam the turbo blades. The mechanic did this _by hand,_ cool as a cucumber. It was quick thinking. I can't see clearly what they used, but it at least (partially) seems to be some emory cloth, or, perhaps, just a rag. They jammed the exhaust port (likely why they struggled to feed it in), which stalls the turbo: if they had jammed the intake, it may have sucked material and debris into the engine. Good choices all around, definitely saved the engine, even though the turbo is likely extremely damaged ($ vs $$$). The whole time, bear in mind they had red hot diesel exhaust being absolutely blasted in their face. EDIT: Diesel engines do not use any form of electronic ignition (eg, spark plugs). They often contain _glowplugs_ which are used to heat the engine block for easy starting, because it is very difficult to start cold - and hard on the engine. Thus, pulling electrical has no effect (even normally, the battery is usually just for starting). Once an engine is running, glowplugs serve no purpose. EDIT 2, CETANE BOOGALOO: Some astute below have noted that in rare conditions, defects and vacuum could potentially suck in lubricant and the engine can instead burn that for fuel, so cutting the fuel line or the electrical for the fuel pump (if it is an electrical pump) may work, but is not sure-fire. Thus, cutting air is the best choice. I know it may sound rare, and that's exactly why best practices exist - because worst cases do, too. Diesels - both engines and turbines - are very robust animals. Even if it was gasoline, pulling the electrical would not work, because again, it does not need the spark plugs to ignite (auto-ignition is occurring). If the fuel mix begins to detonate (explode) instead of deflagrate (burn), things get much worse much faster. This is why putting diesel in a gas engine is bad: but putting gas in a diesel engine is _dangerous._ Spouts at filling stations are different diameters for this reason. Because it is a diesel, it naturally operates at much higher temperatures (~2x) and compression (~5x) than a gasoline engine. People mention things like the pistons flying out: diesel heads are usually overbuilt to compensate for the massive compression, but (as for people, too) even a cracked head is catastrophic (and $$$). In any case (diesel, gasoline, kerosene, fuel oil, JP8, whathaveyou), the result of not arresting such a runaway is engine damage, namely because the engine is operating at speeds it is not designed for. Finally, if you made it this far... this dude must be the _Judas Priest_ of diesel mechanics, because they are a _Turbo Lover._ Better run for cover. For the younger audience, 🐐🧑🔧 PS> I appreciate all the thanks, and please remember, everything I described here, this mechanic put into practice in about 3.2 seconds _flat._ I've also used the pronoun _they_ here - I don't actually know what the mechanic prefers, and the trait that matters here is, _mechanic._
@@WhiskeyRichard. I’m not gonna try to sound all smart but I think you meant diesel doesn’t need spark, that’s why you can’t kill the motor in these runaway diesel situations because it will continue to “run away” also it’s not just gas, if the turbo seals leak enough oil into the intake it will use the oil as fuel, if I’m not mistaken.
@@Payote88 Sorry - I didn't mean to be ambiguous. As you have pointed out, diesel _never_ needs sparks because it doesn't have sparks, it always works through compression and heat alone. I have updated my response to reflect this, thank you. I have no ability to speak on burning oil as fuel - possible, likely to rob a lot of power, and foul it up REAL fast though. With turbo, it could aersolize it Peace
Always keep a dollar store frisbee around when working on a diesel can’t get sucked in like a rag and keeps your fingers away if u need to seal the turbo
@@haloframe6623 the piece he used could've save the turbo. His Adrenaline was up and he rush and just kind thew the piece on instead of taking his time to cover it. That's why I recommend a soft ball that's already bigger than the turbo and you don't run the risk of a fuck up cz it's round.
Doesn't happen often enough **ahem** Goku *ahem*. Idk how many times Goku, or Vegeta, or Gohan let the bad guy finish transforming, or even HELP THEM power up, but its a lot.
For those that are wondering whats up: This is called a runaway. It is usually caused by an oil leak. Gasoline is made from oil. The oil in this case acts as extra fuel. More fuel requires more air, and it just grows in a loop infinitely (higher and higher RPMS) until you kill the fire. Best way to kill a fire is by cutting out the oxygen supply. In this case, you want to have something flat and solid (like a 2×4 piece of wood) and place it flat against the turbo opening. He was outside, so he used what was available. The turbo was sent to heaven when the cloth got all wrapped in the turbine (fins of the turbo). But the air supply was reduced. WARNING ***You DON'T want to put your hand directly flat over the turbo because you will get wrecked.***
Runaways usually refer to diesel engines, as they'll burn oil nearly as easily as diesel fuel. It's not the same with gas engines, as more oil will ultimately choke the engine out, or you just cut ignition. On some diesel engines, it can also be caused by the fuel rack sticking open and ceasing to control the amount of fuel entering the engine. Without that control the engine over-revs, but you have the option of stopping it if you cut off the fuel supply.
If your a diesel technician you need to always keep a co2 fire extinguisher then you can just spray it into there and it will kill the engine without destroying any of the parts
I thought and/or heard, that a clipboard could be suckedthrough the inlet of the compressor housing to the turbo??? Either way, biggest fear of working in a diesel engine hahaha
Two best ways to stop this. 1: If you're outside with hood open, a flat piece of wood with an old piece of inner tube covering it to choke out the air to the turbo. 2: If you're still in the vehicle when it starts: Press the clutch, switch to the highest gear you got, then hold the brakes and let off the clutch. You'll probably need a new clutch after, but it'll usually stop the runaway.
@@StoneCooldsOil seal in the turbo fails and it starts running on oil from the oil pan. No way to stop it except starve it from air. If not then get far away because it will typically send engine parts flying when it spins fast enough.
I've seen people say step 2 can explode your transmission and seriously harm you. im not a diesel professional though, so what do you say? depending on the situation i might just perfer to get away from it and call someone
I had this happen on a work van took the key out and it still kept going clouds of smoke and all sorts .it was like the van was possessed.Didnt know how to stop it or why it was happening.
@@TheDarjonmaxwell imagine a person at the bar, the bartender (the thing that gives the cylinder diesel) tells him he can't have any more drinks (diesel in this case), then at some point someone, not the bartender, slides him a free drink (more fuel that he shouldn't be having, be it diesel, oil, or whatever else), so the person gets more drunk than he should, runaway diesel engines get more fuel supplied than they should have, be it because of oil leaking into the cylinder or other means.
@@TheDarjonmaxwell For starters, there is no throttle plate like in a normal gasoline car. In a gasoline car, the accelerator foot pedal controls how much the throttle plate will open to allow air in. When your foot if off the gas pedal, the throttle plate is nearly closed and very little air can enter the engine. Turn the car off with the key, and the fuel injectors stop injecting fuel and spark plugs stop sparking the fuel to ignite the mixture so the engine stops running. For a fire to form inside a gasoline engine, you need air + fuel + spark to ignite the air and fuel. If you lack one of those 3 things, the engine will stop running. Diesel engines do not have throttle plates nor do they have spark plugs that ignite fuel to keep the engine running. The fuel is ignited from just the piston compressing the air and fuel mixture creating so much heat that it burns from just heat alone without a spark producing device(unlike gasoline engines). The accelerator pedal in a diesel engine just makes the injectors inject more fuel which in turn creates more combustion gasses and thus makes the turbo spool faster and suck in more air(turbos are powered from exhaust gasses). Another thing is that you can cut out the fuel, like fuel injectors not injecting when you turn the car off with the key, but the diesel engine can actually run off it's own oil due to leaks that make oil leak into the combustion chamber keeping the engine alive and it will begin sucking up the oil in the oil pan and until the oil is all drained and the engine seizes due to lack of lubrication to metal parts cased by lack of oil(oil is not meant to be burned to keep the engine running, just lubricate the parts ) Edit: Forgot to add that air is required for fire and thus required for an engine to run.
Just a tip anytime you're working on a diesel engine it's nice to keep a little piece of 3/4 inch plywood on your tool cart just for that purpose so you don't destroy the turbo
@@bigtonsilhuman7017well if your being serious. A runaway engine is when a engine is at max rpm and you cannot lower it. It eventually turns so fast that the whole engine blows. Easiest way to cut the engine off for most any engines is to cut your air supply off such as seen above. If that doesnt work or your unable to do such. If a diesel then find a way to deny fuel to the engine, best way is to take a wrench if u have one and take your main supply off to the injection pump. On a gas you can take fuel from it or figure a way to keep it from getting spark
@@bigtonsilhuman7017it usually happens when the turbo's oil seal gets fucked over and as the turbo picks up the oil it gets yeeted through the intake into the combustion chamber. It can happen when ur just cruising on the motorway or just driving around. And as we know diesel engines have no problem running on oil, so it creates and endless cycle of combustion until all the oil runs out. If the engine doesnt die from max rpm (unlikely) it will die from lack of lubrication as the oil goes away. Only thing you can do if it happens to you randomly just push it into 5th or 4th gear and it will stop. At the cost of the transmission.
@@Joester1908 plenty of people, for example junkyard digs and pole barn garage have put their hands over big block carbs with the throttles wide open and they still have all their fingers
@@peterjoseph8913 You remind me of my english teacher. thanks but don't worry to much about it, im an alcoholic dislexic with severe ADHD, mild brain damage aparently and and memory distortion. Even although you pointed it out, i'll still get it wrong in the future. i stopped worrying about spelling and grammer back in school in the 80's. ha ha
@@peterjoseph8913buddy it’s all about perspective lol if some1 can still explain wut they were tlking abt it dsnt matter. Lmao how do u like my spelling? It’s *Joeseph not Joseph see what I mean? Lol I have met only like 2 Joeseph’s but they exist u get wbag im saying ++++ dude it’s funny seeing a funny mistake and even bttr when they sound goofy asf💀😭
A Co2 fire extinguisher or a bottle of compressed Nitrogen sprayed into the turbo will stop combustion because there is no oxygen in either one. Decades ago we extinguished fires in Natural Gas vent stacks at compressor stations that were struck by lightening with 7 dollars worth of nitrogen. Now they use halp a million dollar suppression systems that not any more effective that a cheap bottle of nitrogen.
@@michaelcompton4049you should always have one in your vehicle I have two I actually saved my best friend his engine caught fire and buy me having two fire extinguishers that gave him enough time to get himself and his daughter out of the vehicle
Incase you were wondering that's called an engine runaway,this happens when the oil seal is broken in the turbo charger causing the engine to run on its own engine oil that's put into the intake.
Yep I had a 8v 92 run away from me as I was trying to adjust the fuel rail and I backed the screw out too much and it ran away.it sounded like hell on earth the way that ole 2 stroke sounded
The Detroit diesel is notorious for this. The fuel rail is set to wide open when not running and when not set up or adjusted right it can also run away not just an oil seal leaking can cause this problem. A good diesel mechanic will have something to block the intake (the don’t all have turbos) but a Detroit diesel (two stroke) has to have forced induction of some kind and the ones I’ve worked on were supercharged or had a supercharger and turbochargers used in combination for a compound charge that greatly increases power. When properly tuned these engines will turn more rpms than most diesels and out perform them.
@@UrAvgInternetEnjoyerOld diesel engines will run on anything that is flammable (and fatty if you don't want to damage the injection pump). Diesel, heating oil, engine oil, gear oils, power steering oils, any type of edible oil, even butter and lard, if you can keep them in a liquid state all the time. It is best administered through an injection pump, but with low efficiency and a large amount of smoke, they will cope if you pour them directly into the air intake with an injection pump giving only a small dose to initiate combustion. Such an engine will even run on gasoline or alcohol, but only for a short time, because the injection pump without lubrication will quickly end its life and the combustion temperatures will reach such a level that the exhaust gases will melt the front part of the exhaust and destroy everything related to the valves, combustion chamber and pistons.
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@boostlab #runaway #diesel #dieseltrucks #dieselpower #diesellife #truck #trucks
Oh hell yeah I know about you guys! Horne and Main northeast corner. Mesa Az. Y'all have some badass rides out front most of the time.
What was going to happen?
@@seb_the_guy11The truck engine would of blown up pretty much if you want to see what would of happened search runaway Diesel engine
Got to ask the dumb question.
If there was a simple shut-off valve in the fuel line, wouldn't that kill it?
@@OhAncientOneIt's not a dumb question.
Diesel engine runaway occurs when a diesel engine ingests a hydrocarbon vapor, or flammable vapor, through the air intake system and uses it as an external fuel source. As the engine begins to run off these vapors, the governor will release less diesel fuel until, eventually, the vapors become its only fuel source.
A broken turbo still better than a piston been yeeted through the neighbours house
Or worse, through yours
Man I laughed way too hard at this 😂
Straight from section two article nine of the f around and find out mechanics handbook 😂
See id try to cut fuel, either electrically or physically
@@alexsigler299the thing about a runaway diesel is cutting fuel doesn’t always stop the engine because it can continue running off its own oil if you blow a ring which is very possible since you’re already way overrev
Engine casually decided to become a particle accelerator.
871 likes and no comments ? Let me fix that.
@@itsSpidey-cringe
@@xBintucringe
The engine was like that staff worker acting like a manager. You are doing too much😂😂
@@milosg.667cringe
That's absolutely a certified "That's about to blow the f*ck up" moment and he passed it with flying colors
Should have used something hard and flat like a book or piece of plywood
@FartInYourFace234 like he just had a book or piece of plywood near by. Also a book? Lol come on man.
@@TheProdigalCat “a book” was a simple ass example to get the rusty ass gears in your brain moving. I knew it would be hard for you to picture the plethora of things laying around a typical shop workspace that would all be better for this than a rag. Scrap wood. Piece of plastic. 5 gal bucket lid. Literally anything hard and flat, all within my reach at this moment. aLsO a BoOk? Come on man, pick one up every once in a while
@@FartInYourFace234Cool example, but that didn’t happen regardless. He survived, by Darwin’s standards he gets to goto the next evolution level.
@@FartInYourFace234hmmm your one of those always “could’ve been better” people huh?
That is someone who understands EXACTLY how the whole thing works. Not just the fun bits.
not hard to understand. engines need fuel and air.
Sucker pull fast? No let sucker pull. Fan no turn if sucker no pull.
@@AzarathMetreonyep
@@nlproductions9215you are one of the persons who cut the fuel line in this case. And wonder why it still runs.
@Alwaysjailtimeagain explain please I know nothing about diesels
Props to this guy for thinking on his feet, and saving the planets from being collapsed by a black hole.
I think he must have heard of this failure mode and learnt how to deal with it.
He would have had it ready and was expecting a runaway engine
Props to him, but he could've stopped it even a little bit quicker than he did had he not stepped away to get whatever he got. The minute she started running away, he could've sacrificed his hat and ended it 5 seconds and 15,000 rpms sooner
@@DonnieBrassI thought it was his hat at first lol. Thinking he couldn’t find anything else and went for it but surprised to still see him wearing it
@@DonnieBrasshell na my hat ain’t goin in there and he prob feels the same way. I’ll build a new engine but I can’t get that hat back
Even after losing its turbo it was trying to run with all its willpower
Diesels will do that, they are relentless
Well it also happens to have a supercharger on the side.
I mean, it doesn’t need a turbo to run. Just needs air intake and it probably has a supercharger also being that it’s a 2 stroke
Thats they they get the nick name Satans Engines for wanting to keep going until they send their parts into the atmosphere.
Turbo was fine...
Dude has seen a thing or three.
Fuck foreal lmao
Was not his first time doing that lol
Shud have shove his snow cap in there , lot quicker
@@princesssolace4337yea, but then you have no snow cap.
@@dertmatyui I'll safe the motor ... that's time and $$
When she about to get really mad but fed her a snack to calm her down. 😂😂😂
You are a very wise man or very lucky
This comment almost took me out😂😂😂
Oh I misread “smack” 😂
😂😂😂
@@nosesise😂😂😂
That engine won't ever do that to that guy again. I think it learned it's lesson.
Probably will tell to other engines about a guy he met once lol
@@shakvrasyou stoopid
Looked like a wife starting to complain about how she never goes out and he went hey I got you flowers pizza and beer so she just took it .
That depends on if he decides to incorrectly install the throttle cable again. The only way for that to happen is to not have the correct pin in it and probably be using a little bent piece of metal LOL
@@VineyardGHSever hear of a runaway diesel?
That truck almost delivered a fresh pair of pistons to the international space station
Not necessarily. I saw an intentionally runaway detroit, on full rack. Locked up after like 5 minutes.
Idk if "fresh" would be the aproppiate term but yea, they would've got them
💀💀💀
😂😂😂
@@NA-pr7sfare you a retard or something?
dude wasn't about to lose another one... that was pure muscle memory and experience in that reaction haha
Was that a Belchfire 8 engine?
Nice
I agree. This is definitely not his first rodeo 😂
@@thomasmleahy6218nah, is just an old 2-stroke detroit, a 4-53 if i remember correctly
Hell I’ve seen people do this several times, and I’m not exactly a good wrench. iI’s fairly obvious for people who do this often.
I did this once in the Army- had a 8V92TA do a runaway due to a faulty governor. I used a clip board to cover over the turbo inlet.
thats good, the rag he used is now in the engine.
Bcf fire extinguisher discharged in the inlet works well. Unfortunately not many left now as they also kill the ozone layer and are being phased out
8v92 was very popular for logging trucks back in the day. Don’t hear much talk about them anymore. Cool
He imagined the repair cost and jumped in action
It's a detroit. Super cheap.
@@Darkmatter2134yea the car is cheap the mods aren’t…
@@jacob-qz3kdyou meant the motor? DAC is no longer around
@@jacob-qz3kd you can buy a 4-71 for 4-5k all day, tons of them around and they last forever, still running mine (40 years) and with was built in the 1960s and worked ever day. Still the original motor and parts.
Can do eone explain what is going on in the clip? Sorry. Not a car/engine guy.
I seen it once and it's fckn nuts to hear a diesel redline for nearly 10 minutes than detonate. Smart thinking.
Diesel redlining, damn I needa get back to the country and motherland to see that....
@@WalterWhiteJPthe engine goes through catastrophic failure and basically explodes. Hence the term "detonate."
@@@فلسطين_حرة_1948 they know, they’re acting like they don’t because of a minor and common grammatical error
Thats more than redline, there is no limiter when it sucks its own oil
@@warpedwhimsical oh, that's really annoying. Good looking out.
Bro almost had a unscheduled rapid deconstruction of his engine
Fr
@@polar_dog1 I know what you did in spring city, Utah 1987 where are the bodies
@@fbi3327I’m his lawyer. uno reverse card. Where did YOU hide the bodies 🤨
@@fbi3327if he doesn’t confess can i shoot his dog?
@@DerekD-n1zI was a witness…Slide me a hundred and I didn’t see shit 💵 🫲🏻
My boy just saved himself $150 bucks.
Lmaooo
😂😂😂
$150? More like $15000
Goalllllllllllllllllll😂😂😂😂😂😂😂😂😂
@@yaroslavpanych2067 nope. he likely cost valves, pistons AND potentialy a block or sleeves.
Man knows what he's working with for sure
Totally, almost sucked his hand in, bro mental..😊
@@JohnSmith-mt8fddid you miss the part where he clogged it? Lol
@@JohnSmith-mt8fdlol you saying this while you would’ve ran away
@@OrdinaryMenaceit still formed a seal with his hand, look at the end he has to use his second hand to unstick it
@nk-dw2hm He was using his second hand to make a COMPLETE seal. There is a gap between his thumb and index finger allowing air in still, so he uses his second had to seal the small gap between fingers. Not to peel his hand off the turbo
Dude was like "If the rag doesn't stop it I'm putting my hand in next."
No rag...it was his toque!! No higher honor than to sacrifice that garment for the life of a diesel.
Só undeRR@t3!)
@@igorastral4816words work btw it’s not hard to write underrated
@@MrM6dCanadian?
A broken hand is better than broken engine
My man single-handedly stopped Maximum Overdrive.
Emilioooooo!
Lmao best comment I’ve seen in months
How is this not the top comment?!?!
Literally
@@shawnmiller1432Because not everyone laughed at it
Certified “this is gonna fucking detonate” moment
Truck woke up and decided to identify as a rocketship 😂
😂😂😂
It got jealous of Elon's space car.
that's hilarious :D
'woke' LGBTQ+++ TRUCKship
Truck saw too much Optimus Prime
Yeah challenger.
He realized if he didnt stop it eventually it would run fast enough to throw the earths rotation off,man literally saved the planet! 👏👏👏😂😂
😂… Underrated comment
That's not how rotation works. Whatsoever.
@@Helixxx__ no, not at all.
You dont have a sense of humor bro@@joshyoung1440
The engine would have blown
You’ve done the Turbo, but saved the engine.. Always be ready!! Good save bro
That turbo would be fine would just need a disassembly to remove all the strings from the rag
@@snapped4433 That was his hat
@@nevinkuser9892
Now his mom is going to be mad that he lost his hat.😂
@@nevinkuser9892He still has his hat on at the end.
Depends I’ve had it happen to me
It still worked fine
Maybe it was just luck
Kinda woulda loved to see it go boom tho. Respek
Buddy really told his engine “Shush 🤫”
Realll
😂😂
😂😂😂
“It’s all gonna be okay, you’re safe now” 😂😭😂🤣😭😭😂
@@THEBLCKR1 😭
Bro snuffed that engine like an fbi agent to a kid discovering a cure to cancer
CIA agent if anything😅
Def cia or nsa
So specific 😂
😂
Facts
Dude was about to wake up Optimus Prime
😂😂😂😂😂
😂😂😂
😂😂😂😂😂
😂😂😂😂😂😂😂😂😂
😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂
Stayed cool and used his knowledge, he knew what to do. Good job.
That diesel still didn’t want to stop running! It’s a beast.
@kuntakentay1077…Okay?
@kuntakentay1077I promise that nobody cares 😂
Nah bro its just got mad boost leaks
@kuntakentay1077because it needs air to run.
@kuntakentay1077 What the fuck does that have to do with anything
My diesel class teacher always said "NEVER try to stop a runaway with a soft cover textbook, always use a hard cover or our handy runaway stop plate". The runaway stop plate was a small square of plywood with a boat cleat attached for a handle.
We were working on Detroit 471s at the time, the blower on them is like a meat grinder and apparenly ate a soft cover textbook and spit it out the exhaust in a fireball and kept running 😮
That's nuts!
@@danielgron8954 and highly accurate 😂 living in the country surrounded by farm equipment I’ve heard my fair share of runaway diesel’s
@@wolfy5svn945 we had a 371 running without a head gasket. Red RTV did the job for the classroom demo. That Detroit was another team, my engine was a 12v Cummins ISB. The teacher said at the beginning of class that these engines would never run again due to lack of a complete parts set. We assembled it without a thrust bearing because we didn't have one thinking it wasn't supposed to run... End of the unit we had to run all of them, even ours with no thrust bearings and 2/6 oil rings... I've never laughed so hard watching the flywheel gear hit the bell housing throwing sparks 🤣👌
"Knowledge is power" said the book powered diesel
@@fasted8468
Oh man, that's good 😂
Shit was about to have the loudest sneeze
Lol! I love that video!😂
This made me giggle
An explosion
😂
This made me ugly laugh 😂
If a diesel engine could say “LETS F***ING GO!" It would be this 😂
When your turbo diesel engine wants to become a Jet engine 😅
I believe I can fly! said the diesel. Shortly before it's pistons all did.
It’s time to start using % of rpm😂
"DAMN TRANSFORMERS!" 👴🏻
Well when your turbo seal fails the turbo itself turns into a rudimentary centrifugal gas turbine.
And the cylinders want to fly...
That truck was about to be a anti aircraft gun for a sec
Anti spaceshio artillery 😂
ZSU-57-2 type shit
And the worst kind - one you can't aim!!!
Comments like this one makes me wanna go unlike all the other bs
@@hugoleary695 wha?
Man knows his shit, this could’ve easily been a live leak video on the other side, glad he’s safe and his engines all good as well
live leak shut down because there was a bunch of comment threads full of people discussing the fyrus 6 months before it happened..
@@antiunclematter9502 What? Really?
@@antiunclematter9502reciepts?
@@crzyautochic4807stuff like that is everywhere from juice wrld lyrics to kobe Bryant dying in a helicopter on some cartoon years before it happened just no one notices it until it's in ur face
@@antiunclematter9502what was LiveLeak and fyrus?
All oil drilling rig site trucks have a cutoff in case natural gas leaks from the well into the atmosphere. The natural gas would cause an engine to overspeed until it blows up.
truck just woke from a 30-40 year nap ready to race itself back into the grave 😂
damn 12k thanks yall
legend
😅😅😅
Lol😂 for real 😅😂
Woke up for decades sleep and chose violence hahaha
You win 😂😂😂
A turbo is way easier to fix than an aftermarket inspection port in your block
👍🤣🤣🤣
@@TheOath888it happens when like a vapour or and exhaust gets in the intake causing it to go faster every secong because the air in the cylinder explodes faster and faster due to being flammable
@@TheOath888diesel problems, probably oil seal where it started, sucked it up and burned it. Governor stops running fuel to it and the oil keeps getting sucked into the intake.
Took me a second but funny. Lol
@@TheOath888 I don't know how long it ran before this occurred, but given the amount of smoke, (not much) I suspect a governor adjustment was incorrect. When the buffer screw is in too far, the fuel control rack hits it too early and bounces to the full fuel position, and with no load and full fuel, the RPM's are limited by how long the rod bolts can hold. started my diesel career in 1979.
Diesel Engines got a mind of their own.
One might say they’re possessed 😂
There own decisions sometimes 😂😂 like our kamikaze 8 kw generator and end up overhauling
They really do. Especially these older ones it’s like they’re a person
What causes this
@1neAdam12probably the throttle got stuck.
That ain't quick thinking, that just a good Mechanic.
That was a dam good idea saved him thousands
Still broke it.
@@John-j8gHe didn't
@@KingCeee fuel getting by makes it run away. It will spin barrings fuel pump is broken. Just wait for diesels art designed to be run at higher rpm's
He just kept the rod from snapping their spun bearings lack of oil at hi RPM'S
@@John-j8g Well I never owned a diesel but I'd like a Duramax Cateye
@@John-j8gfuel isnt the only thing that causes a runaway motor it could also be an oil leak… likely from the turbocharger in which case it was already broken. motor aint broke tho due to his quick thinking so might wanna reword your comment, pessimist.
Buddies engine was going full blown super Saiyan.
Kaioken
Autonomous instinct
@@thatonedude2121he was brewing Optimus prime unknowingly and aborted😢
@@jeremiahlethoba8254 😂🤣
@@thatonedude2121 nah bru its anonymous ultra instinct
Im glad my 3rd gen has an emergency air shut-off switch on Dash. Its inline with intake horn. Works great.
Good for u! But no one asked or cares! 😂😂😂
Mandatory when working in the Alberta oil patch.
Why do I think that's loud when needed?
The old two stroke Detroit's had the flapper valve,I pulled into a gas station in the 70's before gas pumps had the fancy recovery systems they got now,my truck ran away just from the heavy gas fumes in the air,
@@DanielTibbetts-bk5dj yeah, but that flap from my experience is only primarily present of the supercharged only models
Quick thinking, but NEVER put your fingers near that damn turbo !!!! I had a co-worker lose 2 fingers when he got to close and it sucked them right in. That thing is one heck of a vacuum cleaner !
You never interrupt a character while he's powering up.
hlo
wait.. Eren did☝🏻
@@davideallegra2739😂
About 2sec away from a catastrophic runaway. This man is no novice
:Goku powering up:
AAAAHHHHHHHHH!
:Mechanic shoves old greasy rag in his mouth:
Goku: sucks on it and quiets down while powering down.
Bro’s got some nerve to high five that turbo like that
🤣🤣
What I’m sayin
at the end you can see he has to use his other hand to pull it off lol
Yep toward the end you see it grab his hand 😅
@@shaneasylum3311no he was covering the little gap his one hand couldn't cover. Lol.. to make sure it was completely covered.
“When a diesel sounds like a gas, or gas sounds like diesel, something’s going bad quickly”
~ Sun Tzu probably
It’s doing that because the injectors are stuck and it’s a runaway
nah it became a super diesel
@@alexismartinez8537Sun Tsu never seen an engine in his lifetime. OP knows what's happening.
@@alexismartinez8537injectors are not stuck open, it’s getting fueled by the oil
@@jamesharrell4360 Nah, Mr Sun sold me a kickass Fummins dually just last year. Shit's mint, bud
That runaway diesel sounds like pure HEAVEN - I WANT CONTROL OF THAT MANY 🐎
Man cares about the engine more then his hand
I have 100% seen a finger lost to a turbo.
You ever seen the end result of a runaway engine? You lose more than just a finger ya jackass 😂
Can't always get another one of those anymore. Hand or a diesel. lol
If you need it for your lively hood, you do what you have to. Or you may not eat.
Than
Dude made 5000hp for 10sec
LMFAO
I would've been 'RUN AWAY! IT'S ABOUT TO EXPLOOOODE!!'
Best example of an "oh shit" instinct. Homie knew it.
let me tell you, this man went Ultra Oh Shit Instinct
remember the rules of fire control: fuel + oxygen + heat = fire. get rid of one of them and it stops the fire/engine. he cut off oxygen. easy peasy. smart guy! respect!
@@darkherostarthat’s what they taught me in my fire chemistry class glad to see it in use here!
I'm going to guess this isn't his first time.
Fuckin A right
Damn that was some quick thinking i thought he was gonna throw his hat in the turbo lol just glad he didnt stick his fingers too far in there😳....bad ass truck🤌🏼🔥
I think that was his hat
@@BlackMountainCyclesyou can see his head lean In at the end he still had the hat on
@@Racstacko good catch. You are more observant than I.
I thought the same thing. Glad you didn’t stick your hand on there.
Did he stuff his snow cap in there
Bro just fed it a cookie
😂😂😂😂😂
The truck aint himself when hes hungry 😂 there werent any Snickers around so he went for the next best thing: double chocolate chip cookie 😂
😂🤣 A1 comment 😂🤣
You're not yourself when you're hungry. Have a cloth.
Winston Meme
Cool ass dude, stayed calm and knows everything about the thing he loves.
He imagined his wife asking him a single question so he jumped into action.
Ima be duh firmst comlent
@@cjd8804speak a language
@@brianmayberry4824no
@@cjd8804nigga what😂
@@Logoffx21don't got a brain
I bet that turbo was fine honestly. Buddy saved his pockets from a WHOLE LOT of hurtin. Good job 👍
Facts
And even if it wasn’t, it’s better to replace the turbo then go through a full engine rebuild
had to of bent some blades at the very least.
Why would he be fully pushing the engine in park like this, seems completely avoidable all together
Didn’t look ok to me, if a hat was meant to be stuffed in a turbo the truck would have come equipped with one.
No, that’s being a knowledgeable and prepared mechanic
It's quick thinking
For those wondering - this is called a runaway. Common on diesels, basically, an oil leak in the turbo on the inlet side drives oil (which becomes fuel) into the combustion chamber, rapidly increasing the chamber pressure, driving up RPM, and sucking in more air and (oil) fuel. The only way to stop it is to dump the vehicle into high gear and hope to stall, or, if you’re near the turbo inlet, starving it of airflow!
Damn finally someone explaining why and how it happens thank you ☝️
If you had a fuel cutoff that would work too. But yeah, it's combusting on its own
Yep, CHOKE THAT BITCH😂😂😂😂
Thank You!. I've only seen it in a couple vids as :This happened" until I watched 1 of the Twins from Australia ruin his trans by shoving it into 6th while stopped.It did.It's been a year since they worked on it,onscreen. It was a "Sema Show" winner. Those who know,will know."79"..
What if it doesn't stall? And your in it?
Bro got balls for putting his hand there
he’s seasoned ash
It's always a toss-up between big balls or small brain 😅
@@snowflakecuntreeman3947lmao you can’t have both you either got big balls or a big brain 😂😂
i mean i guess he already stuffed his beanie into there lol
@@twilightsparkle75that wasn't his beanie
That hat and jacket combo tells me he is a diesel mechanic
and gay
The black smoke billowing out of the truck gives it away aswell
@@chrisclarkayhe looks pretty happy
@@salamander554so he is gay
Nobody can be that happy being straight lmao
@@XXXPUBLICENEMY yea, you're right. It's women that drive us nuts.
Saved the diesel... at the expense of a turbo. Smart man.
The needs of the many outweigh the needs of the few
After running at those high rpm’s, not so sure it’s saved. If there’s enough oil getting last the rings to make this happen, it’s pretty much done anyway. 🤷♂️
@@jacksons1010 it isn't necessarily oil its combusting here, it could also be a broken mechanic fuel pump or a stuck throttle cable
@@Fin3rain True, but this guy seemed to know what’s what, and he didn’t go for the fuel cut-off. Most diesels have some such mechanism, but might be it was just easier to use the rag to smother it. Definitely not a lot of time to think about it - he had to act quick.
Would have also lost the turbo.
We had this old head working on a Finn hydroseeder about 20 years ago and it took off running backwards off the motor oil. He was under it on a creeper and tried to get to the fuel shut off. I was yelling but he couldn’t hear me. I grabbed his feet and snatched him out from under it a split second before it blew. A piston rod hit the 4,500 psi concrete where his chest was so hard it mad a 1.5” deep crater. He was always a real jerk to me before that day. I see him in Lowe’s or Home Depot every now and then. He shakes my hand and smiles with that look anyone could recognize.
The look of love between men, i bet
@@SwedishEmpire1700 jealous khunt?
Old man, core memory. 🎉
Never happened
@@alexcoupe. yikes
Nothing more beautiful (and heartbreaking) than the sound of a runaway diesel.
That’s Buck. He knows his shit. Got some of the sickest trucks in all of SOCO
I always use a flat piece of wood cut in a circle, with a block handle and call it a chicken plate. If you’re not confident you rebuilt the fuel system right it will save the engine and not damage the turbo.
My dad taught me that trick years ago. Had a rubber backed pot lid that fit over and a co2 fire extinguisher. For when running the rack with the plumbing installed or for when the plate on the turbo fails because the seals let loose and its sucking enough air and oil through the oil pan drain to keep running.
this amazingly good advice thank you
Or the turbo went bad and it's dumping oil into it
Yup, we always kept a lil chunk of plywood around just for this is kinda moment...
for those who dont know: the turbo is connected directly to the manifold, which makes airflow. if you block the turbo, it stops the airflow from the pistons. therefore making it hard for the pistons to move easily, or even "killswitching" the engine.
I may not know that turbos are directly connected to the intake manifold, but i wanna know why he decided to stop it
@@xm4366_ *tl;dr To avoid engine damage. Excellent question.* In a runaway situation (or 'dieseling' as it's known in gasoline engines) you have an out-of-control process. That is, the engine is automatically sucking fuel in and auto-igniting it, causing the reaction to repeat with increasing speed.
The reaction that drives it uses a fuel (diesel here) and air to produce combustion. The compression in the cylinder (along with its ambient temperature) is enough to ignite the fuel/air (aerosol) mix without any external support. Thus, you have a choice: cut the air, or cut the fuel. The mechanic chose air, most readily available/reasonable thing to cut, whether practically and/or because it was the first thought they had. The quickest way to do that was to jam the turbo blades.
The mechanic did this _by hand,_ cool as a cucumber. It was quick thinking. I can't see clearly what they used, but it at least (partially) seems to be some emory cloth, or, perhaps, just a rag. They jammed the exhaust port (likely why they struggled to feed it in), which stalls the turbo: if they had jammed the intake, it may have sucked material and debris into the engine. Good choices all around, definitely saved the engine, even though the turbo is likely extremely damaged ($ vs $$$). The whole time, bear in mind they had red hot diesel exhaust being absolutely blasted in their face.
EDIT: Diesel engines do not use any form of electronic ignition (eg, spark plugs). They often contain _glowplugs_ which are used to heat the engine block for easy starting, because it is very difficult to start cold - and hard on the engine. Thus, pulling electrical has no effect (even normally, the battery is usually just for starting). Once an engine is running, glowplugs serve no purpose.
EDIT 2, CETANE BOOGALOO: Some astute below have noted that in rare conditions, defects and vacuum could potentially suck in lubricant and the engine can instead burn that for fuel, so cutting the fuel line or the electrical for the fuel pump (if it is an electrical pump) may work, but is not sure-fire. Thus, cutting air is the best choice. I know it may sound rare, and that's exactly why best practices exist - because worst cases do, too. Diesels - both engines and turbines - are very robust animals.
Even if it was gasoline, pulling the electrical would not work, because again, it does not need the spark plugs to ignite (auto-ignition is occurring). If the fuel mix begins to detonate (explode) instead of deflagrate (burn), things get much worse much faster. This is why putting diesel in a gas engine is bad: but putting gas in a diesel engine is _dangerous._ Spouts at filling stations are different diameters for this reason.
Because it is a diesel, it naturally operates at much higher temperatures (~2x) and compression (~5x) than a gasoline engine. People mention things like the pistons flying out: diesel heads are usually overbuilt to compensate for the massive compression, but (as for people, too) even a cracked head is catastrophic (and $$$).
In any case (diesel, gasoline, kerosene, fuel oil, JP8, whathaveyou), the result of not arresting such a runaway is engine damage, namely because the engine is operating at speeds it is not designed for.
Finally, if you made it this far... this dude must be the _Judas Priest_ of diesel mechanics, because they are a _Turbo Lover._ Better run for cover.
For the younger audience, 🐐🧑🔧
PS> I appreciate all the thanks, and please remember, everything I described here, this mechanic put into practice in about 3.2 seconds _flat._ I've also used the pronoun _they_ here - I don't actually know what the mechanic prefers, and the trait that matters here is, _mechanic._
Thank you for such a Knowledgeable explanation.
@@WhiskeyRichard. I’m not gonna try to sound all smart but I think you meant diesel doesn’t need spark, that’s why you can’t kill the motor in these runaway diesel situations because it will continue to “run away” also it’s not just gas, if the turbo seals leak enough oil into the intake it will use the oil as fuel, if I’m not mistaken.
@@Payote88 Sorry - I didn't mean to be ambiguous. As you have pointed out, diesel _never_ needs sparks because it doesn't have sparks, it always works through compression and heat alone. I have updated my response to reflect this, thank you.
I have no ability to speak on burning oil as fuel - possible, likely to rob a lot of power, and foul it up REAL fast though. With turbo, it could aersolize it
Peace
My gaming laptop fans when updating bios 😂
My damn xBox making Offline updates at 4 in the Freaking morning. HAHAHAAHAHAHA
That’s not a good thing bro 😭 open it up and clean it 🙏
Alienware laptop when it's an Alienware laptop.
My PS4 running literally anything
that's a good thing actually. since the computer at that point doesn't know how hot it is.
Lost the turbo but saved the good stuff. Props
Always keep a dollar store frisbee around when working on a diesel can’t get sucked in like a rag and keeps your fingers away if u need to seal the turbo
And makes a good game if you arent fast enough, what went further? The engine parts or the frisbee?
@@Extra_Mentalor my tooth
Or a softball
Would that of saved his turbo?
@@haloframe6623 the piece he used could've save the turbo. His Adrenaline was up and he rush and just kind thew the piece on instead of taking his time to cover it. That's why I recommend a soft ball that's already bigger than the turbo and you don't run the risk of a fuck up cz it's round.
It was trying to realize its potential as an f1 car
No. No it wasn't
@@Imtheman3it's a joke 😂😂
@@_The_Phantom my bad i thought jokes were supposed to be funny
@@Imtheman3male Nancy
Can't understand what was the engine doing that it needed saving?
Dudes still pretty brave putting his hand near that impeller.
Stupid. I know someone who tried that once and ended up with broken bones on his hand.
Right i wouldn't of trusted just the benie he put in it, ive seen things bigger then that just get sucked in and the turbo still spinnin
stupid**
In fact he did it very well...first he threw the rag to stop the turbo and then he put his hand but holding on outside the edges.
@@excalibur2038wasnt even the beanie jus a tiny peice of cloths hes got nuts
Sounds like myself when I’m about to sneeze but it goes away 🤧
When the main character defeats the bad guy before he finishes powering up.
Doesn't happen often enough **ahem** Goku *ahem*.
Idk how many times Goku, or Vegeta, or Gohan let the bad guy finish transforming, or even HELP THEM power up, but its a lot.
@@BrokenGodEnt Oh, they never did *ahem* totally, they never let their enermies even reach close enough to their true potential. *ahem*
Eren vs War Hammer Titan 😂😂😂
For those that are wondering whats up:
This is called a runaway.
It is usually caused by an oil leak. Gasoline is made from oil. The oil in this case acts as extra fuel. More fuel requires more air, and it just grows in a loop infinitely (higher and higher RPMS) until you kill the fire.
Best way to kill a fire is by cutting out the oxygen supply.
In this case, you want to have something flat and solid (like a 2×4 piece of wood) and place it flat against the turbo opening.
He was outside, so he used what was available. The turbo was sent to heaven when the cloth got all wrapped in the turbine (fins of the turbo). But the air supply was reduced.
WARNING
***You DON'T want to put your hand directly flat over the turbo because you will get wrecked.***
Runaways usually refer to diesel engines, as they'll burn oil nearly as easily as diesel fuel. It's not the same with gas engines, as more oil will ultimately choke the engine out, or you just cut ignition. On some diesel engines, it can also be caused by the fuel rack sticking open and ceasing to control the amount of fuel entering the engine. Without that control the engine over-revs, but you have the option of stopping it if you cut off the fuel supply.
This should be pinned
Thanks brother
This should be pinned
Thank you for the detailed explanation good sir! ❤
If your a diesel technician you need to always keep a co2 fire extinguisher then you can just spray it into there and it will kill the engine without destroying any of the parts
A clipboard also works
@@mulletsmayhem492if it’s open access to the inlet
@@henryhenry3832t’s always open you pen15 head🤦♂️
Definitely a good idea just be careful it can stop you just as well as it can stop the engine.
I thought and/or heard, that a clipboard could be suckedthrough the inlet of the compressor housing to the turbo??? Either way, biggest fear of working in a diesel engine hahaha
he was finna open a portal to the next dimension
The engine woke up and decided to be a V-8
SMACK! Should've had a V8.
It's a 2-stroke diesel, which is why you hear twice as many exhaust pulses.
2 stroke si quema cuh
It was like "I heard motorcycles can Rev to 20k, I wanna be a motorcycle! Vroom vroom!"
Two best ways to stop this.
1: If you're outside with hood open, a flat piece of wood with an old piece of inner tube covering it to choke out the air to the turbo.
2: If you're still in the vehicle when it starts: Press the clutch, switch to the highest gear you got, then hold the brakes and let off the clutch. You'll probably need a new clutch after, but it'll usually stop the runaway.
Why it goes out of control tou? Like what's th mechanical failure preventing it from just shutdown the engine
@@StoneCooldsOil seal in the turbo fails and it starts running on oil from the oil pan. No way to stop it except starve it from air. If not then get far away because it will typically send engine parts flying when it spins fast enough.
For your step 1 to work you’d have to pull your tools out and take off the air filter intake.
I've seen people say step 2 can explode your transmission and seriously harm you. im not a diesel professional though, so what do you say?
depending on the situation i might just perfer to get away from it and call someone
I had this happen on a work van took the key out and it still kept going clouds of smoke and all sorts .it was like the van was possessed.Didnt know how to stop it or why it was happening.
Even after the turbo ate the rag , the engines health bar refilled and I heard " Final round.... FIGHT "
I suspect that was his cap
@@timothyleggah yes, the real question of the video. was it a rag or his “cap”?
Wasn't a rag, didn't you see he was wearing a turbo retarder on his head!
Remind of the time I accidentally blow up my dads generator 😅
For once it’s nice to see a runaway diesel saved. Strong work guy!
Nice to see it didn't turn into an impromptu F1 engine.
How does this happen? Truly curious 😊
@@TheDarjonmaxwell imagine a person at the bar, the bartender (the thing that gives the cylinder diesel) tells him he can't have any more drinks (diesel in this case), then at some point someone, not the bartender, slides him a free drink (more fuel that he shouldn't be having, be it diesel, oil, or whatever else), so the person gets more drunk than he should, runaway diesel engines get more fuel supplied than they should have, be it because of oil leaking into the cylinder or other means.
@@TheDarjonmaxwell
For starters, there is no throttle plate like in a normal gasoline car. In a gasoline car, the accelerator foot pedal controls how much the throttle plate will open to allow air in. When your foot if off the gas pedal, the throttle plate is nearly closed and very little air can enter the engine. Turn the car off with the key, and the fuel injectors stop injecting fuel and spark plugs stop sparking the fuel to ignite the mixture so the engine stops running. For a fire to form inside a gasoline engine, you need air + fuel + spark to ignite the air and fuel. If you lack one of those 3 things, the engine will stop running.
Diesel engines do not have throttle plates nor do they have spark plugs that ignite fuel to keep the engine running. The fuel is ignited from just the piston compressing the air and fuel mixture creating so much heat that it burns from just heat alone without a spark producing device(unlike gasoline engines).
The accelerator pedal in a diesel engine just makes the injectors inject more fuel which in turn creates more combustion gasses and thus makes the turbo spool faster and suck in more air(turbos are powered from exhaust gasses).
Another thing is that you can cut out the fuel, like fuel injectors not injecting when you turn the car off with the key, but the diesel engine can actually run off it's own oil due to leaks that make oil leak into the combustion chamber keeping the engine alive and it will begin sucking up the oil in the oil pan and until the oil is all drained and the engine seizes due to lack of lubrication to metal parts cased by lack of oil(oil is not meant to be burned to keep the engine running, just lubricate the parts )
Edit: Forgot to add that air is required for fire and thus required for an engine to run.
New Engine: EXPENSIVE
New Rag: $2
Knowledge to suffocate the engine and prevent a runaway: Priceless
You’re spending money on rags? Why not just use old shirts?
Most likely a new turbo as well🫤 but still WAYYY better than tearing that engine a new one👌🏽
Don't forget the turbo too.
Just a tip anytime you're working on a diesel engine it's nice to keep a little piece of 3/4 inch plywood on your tool cart just for that purpose so you don't destroy the turbo
That exactly the point I was going to comment about but I was thinking more about him not destroying his hand.
at this point of runaway the turbo already toast
Why do they run
@@NatronFatumallafallafuel pump open constant fuel supply, and if not running on diesel it could be any oil that feeds engine.
And just what am I going to do with a piece of three-quarter inch plywood
Almost destroyed my ears. Great stuff 👍🏻
That engine woke up and choose violence 😂
💀💀💀
OPTIMUS PRIME I WILL HAVE MY REVENG-- mmmm a cookie
Best comment
This dude just saved himself a shit ton of money.
yes, but that turbo is still expensive.
@@RR-ss1tjthere’s no intercooler so the turbo is now in the combustion chambers
@@robertdeguglielmo1453 exactly.
And his life
Welp...just learned a life saving procedure and I haven't even had coffee yet
What happened? I dont understand? What does a run away diesel mean? I have one so id like to know 😅
@bigtonsilhuman7017 I am no pro mechanic but he slowed it down so it didn't blow up
@@bigtonsilhuman7017well if your being serious. A runaway engine is when a engine is at max rpm and you cannot lower it. It eventually turns so fast that the whole engine blows. Easiest way to cut the engine off for most any engines is to cut your air supply off such as seen above. If that doesnt work or your unable to do such. If a diesel then find a way to deny fuel to the engine, best way is to take a wrench if u have one and take your main supply off to the injection pump. On a gas you can take fuel from it or figure a way to keep it from getting spark
😂😂😂
@@bigtonsilhuman7017it usually happens when the turbo's oil seal gets fucked over and as the turbo picks up the oil it gets yeeted through the intake into the combustion chamber. It can happen when ur just cruising on the motorway or just driving around. And as we know diesel engines have no problem running on oil, so it creates and endless cycle of combustion until all the oil runs out. If the engine doesnt die from max rpm (unlikely) it will die from lack of lubrication as the oil goes away. Only thing you can do if it happens to you randomly just push it into 5th or 4th gear and it will stop. At the cost of the transmission.
This is really stunning!
That man knows the basics of how motors run and has been through some shi
Well true but not everyone has quick access to a runaway like this they’re usually moving. Just the right time at the right moment also
Remember dont ever put your hand over any suction ports ladies and gentlemen!
unless it's a non-turbo engine, then it'll probably be fine
@@roadsidegarage69or procharged
I've always lived by don't stick your hand where you wouldn't stick your dick. A turbo is a good contender on that list
@@roadsidegarage69you test that and let us know 😂
@@Joester1908 plenty of people, for example junkyard digs and pole barn garage have put their hands over big block carbs with the throttles wide open and they still have all their fingers
our guy was willing to loose a hand to save his engine! what a man!
Lose
@@peterjoseph8913 You remind me of my english teacher. thanks but don't worry to much about it, im an alcoholic dislexic with severe ADHD, mild brain damage aparently and and memory distortion. Even although you pointed it out, i'll still get it wrong in the future. i stopped worrying about spelling and grammer back in school in the 80's. ha ha
@@peterjoseph8913buddy it’s all about perspective lol if some1 can still explain wut they were tlking abt it dsnt matter. Lmao how do u like my spelling?
It’s *Joeseph not Joseph see what I mean? Lol I have met only like 2 Joeseph’s but they exist u get wbag im saying ++++ dude it’s funny seeing a funny mistake and even bttr when they sound goofy asf💀😭
er ⬆️
@@animalicon3535I can think of quite a few scenarios where it matters. They will probably never apply to you though so dnt wry abt et.
Saved the engine at the expense of the flatulator. True Diesel guy there. ✊🏽🔥🔥
A Co2 fire extinguisher or a bottle of compressed Nitrogen sprayed into the turbo will stop combustion because there is no oxygen in either one. Decades ago we extinguished fires in Natural Gas vent stacks at compressor stations that were struck by lightening with 7 dollars worth of nitrogen. Now they use halp a million dollar suppression systems that not any more effective that a cheap bottle of nitrogen.
Yes everyone carries a bottle of co2 or a fire extinguisher 🧯 in their pocket just incase
@@michaelcompton4049 I've known many ignorant people that do not consider safety. I'm not concerned about them. The Darwin award isn't for everyone.
Sure.
@@michaelcompton4049 never a Scout, eh? Be prepared. 😉
@@michaelcompton4049you should always have one in your vehicle I have two I actually saved my best friend his engine caught fire and buy me having two fire extinguishers that gave him enough time to get himself and his daughter out of the vehicle
Soon as i heard that i thought “choke it!” But i didn’t think about choking the turbo lol good move sir
Where else could you choke it???
@@EddieTheHthe neck🥵
@@bobbyishere2707 Lol! Poke it's adams apple in!!! 😁
Pause
That's what she said
Incase you were wondering that's called an engine runaway,this happens when the oil seal is broken in the turbo charger causing the engine to run on its own engine oil that's put into the intake.
This can also happen with some fuel system failures
Yep I had a 8v 92 run away from me as I was trying to adjust the fuel rail and I backed the screw out too much and it ran away.it sounded like hell on earth the way that ole 2 stroke sounded
so engine uses the engine oil as fuel?
The Detroit diesel is notorious for this. The fuel rail is set to wide open when not running and when not set up or adjusted right it can also run away not just an oil seal leaking can cause this problem. A good diesel mechanic will have something to block the intake (the don’t all have turbos) but a Detroit diesel (two stroke) has to have forced induction of some kind and the ones I’ve worked on were supercharged or had a supercharger and turbochargers used in combination for a compound charge that greatly increases power. When properly tuned these engines will turn more rpms than most diesels and out perform them.
@@UrAvgInternetEnjoyerOld diesel engines will run on anything that is flammable (and fatty if you don't want to damage the injection pump). Diesel, heating oil, engine oil, gear oils, power steering oils, any type of edible oil, even butter and lard, if you can keep them in a liquid state all the time. It is best administered through an injection pump, but with low efficiency and a large amount of smoke, they will cope if you pour them directly into the air intake with an injection pump giving only a small dose to initiate combustion. Such an engine will even run on gasoline or alcohol, but only for a short time, because the injection pump without lubrication will quickly end its life and the combustion temperatures will reach such a level that the exhaust gases will melt the front part of the exhaust and destroy everything related to the valves, combustion chamber and pistons.
Bro just created a new hole in the Ozone layer!
A quick thought was almost a quick loss of fingers
Who needs fingers to drive right 😂😂😂
That damn engine is worth more then a set of phalanges 😂
@@FoshoG407i would feel the same way lol
Love the sound of a run away. The amount of power is godly