Seized 3.0 Supercharged Audi Engine ~ Complete Engine Failure
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- Опубликовано: 21 сен 2024
- This 3.0t SUPERCHARGED Audi engine suffered catastrophic failure. The engine was totally seized, but WHY? This video we take the 3.0t apart and deep dive on to how the engine was seized. This is may be due to low/no engine oil. In this video we will teardown the engine, talk about why and how it failed.. #humblemechanic #audi #s4
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The content of this video is available for informational and educational purposes only. It is not intended to be a substitute for the professional advice of a mechanic who has personally inspected your vehicle, nor does it create a relationship of any kind between the Humble Mechanic and you. Every situation may be different, and the Humble Mechanic does not make any warranties, whether express or implied, as to the accuracy, fitness, or applicability of the information or automotive parts portrayed in this video to any project and makes no guarantee of results. The Humble Mechanic and any sponsors of this video will not be liable for any damages related to personal injury, property damage or loss of any kind that may result from the use or reliance on this video and/or any automotive parts represented in this video. You are using the information and automotive parts portrayed in this video solely at your own risk.
What engine should we TEARDOWN next?
N52B25
2.0 TDI
EA113
2.0 TDI AGREED - plus a timing video on a 2.0 TDI - 2015+ - CVCA and CRUA
How about a junk yard rs3 5 cylinder for your spectrum Golf R
We've replaced 3 of these engines in the last two years in our small VAG only shop. 2 locked up solid, 1 let rods out in spectacular fashion, but they all had seized rod bearings. Rods out had 42k miles, bought new, never tuned. First seized had 152k miles, dual pulley with tuning. In the end we traced all 3 back to the HPFPs leaking gasoline into the engine oil. We pay very close attention to the smell of the oil when doing oil changes on these engines now.
Good points!
Similar issue on v6 Jaguar engines too. Oil dilution causing spun crankshafts.
Yep, because VAG.
Having worked in a shop with mainly VAG products I know this is just one of the many problems.
Any way to diagnose this upfront?
@@XFC8800 maybe have old oil sent for analysis regularly?
I can just picture the design meeting where the apprentice engineer presents their simple timing design and all the senior engineer's protest "Nein!" and start explaining why it should look more like watch internals.
😁
I am not a DYI person when it comes to repairing my car. But I love watching these tear down videos and learning a lot about cars and engines and how they work. I have much appreciation for how hard the engine works. It truly amazes me.
THANK YOU!
@@HumbleMechanic I'm assuming this is a fake reply you asking me to message you back right away?
@@404notfound..... get me what u smokin
@@404notfound..... would’ve been a spam account
@@80glk5 No need, i think ya already smoking it.
Dude, I'm not a student or anything but this would be a PERFECT video to show pupils the problem with oil starvation. You can probably see someone to talk about licensing this to technical schools. You not only did a general diagnosis on an engine, you did what happens when when the engine is starved of oil and a plethora of other subjects in one video. Very very good video. Keep up the cool content, ((subscribed)).
That timing system is absolutely insane. Would love to see you do a timing job on one of these.
You won't, no one has ever succeeded in doing one...
😂
Check out VAG TECHNIC channel on RUclips 👌🏼
@@groosbro1 are you serious ?
@@groosbro1 I did on my B8.5 S5
Checkout VAG Technic channel - small UK shop, very thorough. They do a 3.0T rebuild here ruclips.net/video/Bgpa0uZPu5w/видео.html
Perhaps the best teardown I’ve seen. Nice and thorough, good video throughout with narration, and step by step job. My bet is on the leaking of gasoline into the oil. That would certainly do the work showing on this one.The whole engine seems like engineering gone wild with over-complications. Exactly what I thought of my 1979 BMW 530 and wife’s 1978 320: they just kept adding parts and systems to accomplish the job, but no one ever said “OK, now let’s see how simple we can make it.” I hated working on both those cars and have never seen anything like them before or since. No more of them for either wife or I.
Someone had a really bad day, that's for sure... That engine is the most complicated design I think I've ever seen! Thanks for taking us along for the ride.
LOL youve obviously havent seen 4.2L V8 from Audi or the POS N63 from BMW
Germans they always make this overcomplicated rubbish so that then they charge an arm and a leg when something goes bad.
I have that exact engine in my A6, always great to see up close what's actually in my car, great video, loved it
Great teardown & commentary Charles. The crank and the lower con-rods certainly got very hot due to oil starvation. the discolouration and blackness is both burnt oil staining & evidence of very hot steel. The bearings & bearing material that looked welded to the crank also supports the starvation hypothesis.
I would place money on crap oil viscosity from fuel or water intrusion. If your low on oil, your going to get a nice flashy light on the dash, and start to hear some tapin.
In another commnet the hpfp leaks fuel intot the oil. Wrecking its viscosisty and those pcv valves also leak coolant in.
As someone who's worked at 4-5 shops for the last decade, I guarantee that this was an oil change that some new-hire forgot to put oil in lol.
Wouldn't the dash light up like a christmas tree though? I've driven many Audi's and they always start screeching about oil really early on.
@@ddevulders Some do, not all of them. Depends really on the model
I dont think so, most of audi owner`s don't do their oil changes on time and clogged up oil hole galleries , well guesss what doesnt take much to seized it up .
@@younesrabhi5731 I disagree. Engine oil sludges with lack of maintanence. You don't see any of that here.
@@younesrabhi5731 You don't need to do oil changes on TFS/TFSI motors anyway, they will burn it all before it has time to clog anything
These are always super interesting. I feel that so many people underestimate the importance of frequent oil changes and checking the oil every now and then. So many things can be saved by just doing that alone. :) Too bad the manufacturers are claiming such long oil change intervals these days
Its unfathomable for people to not change the oil regularly on cars they spend tens or even hundreds of thousands dollars on to purchase just to not care for it. Some people really have no mechanical sympathy eh.
Long oil change intervals are not the problem. People who hot rod their engine and then don't change the oil at all are the problem.
@@einfelder8262 why would driving hard have an impact if the engine runs cool and the oil is high quality?
@@jamesmedina2062 putting more strain on the engine and he said no oil changes so yeah engine go boom
@@liquidsweg4858 I am all for often enough changes and the best oil. I do it myself and at one time I paid a Korean guy to do it for me. Now I take my sweet time to do it myself. That gives me the confidence to drive the vehicle as it should be and expect good longevity from it. Thankfully its a Honda with high ceiling for miss-shifts aka money-shifts. If people spent the time inspecting and changing their own oil, the neglect would not happen.
I just took my first engine apart in school today. Feels so cool watching this and understanding . It really helps ! Thank you
I have this engine in my Q…I’m not a DIY guy at all, so thank you for showing me what COULD go wrong in my car…maintenance is the ticket to longevity! I will also add that there is not a service I can think of other than a car wash that doesn’t cost 1000 dollars or more (way more) on this Q7!
Maintenance is the key to ANY car's longevity 😂 But sadly in most cases it goes unattended. And then something like this happens
Be very careful and don’t be opposed to writing it off in an “accident” if it starts shitting the bed in either the engine or transmission department. I got $16k CAD payout for my ‘11 A5, after it started burning oil
Sell that turd and run
@@richardwilliams9181 What regular maintenance (aside from the obvious oil changes) would be suggested for this particular engine and at what intervals? High pressure fuel pump? Injectors? Coils? Seals? Timing chains? Would it be worth replacing the high pressure fuel pump and injectors every 90,000 miles? It seems the PCV is an issue too, what would the maintenance interval on that be, 60,000 miles? Unfortunately a lot of this maintenance is not actually in the service schedule I think, so it is up to owner's to schedule this maintenance.
@@TassieLorenzo Tbh, I don't have much experience or knowledge on Audi services. My only suggestion is check all fluids regularly. And it's at the discretion of whoever is doing the check whether the fluids would need changed. And the only reason I'd say the fuel pump would need to be replaced is if there is an issue related to it. Like hard starting, running rough, or not staying running very long. Typically any kind of engine that has a cam actuated high pressure fuel pump is going to have a reduced service life of the timing components because of the extra force the pump puts on it. And all services are also dependant on how much driving or what kind of driving you do. Do you drive it from your house to the store every day? Or do you have to drive hours on the highway for work? Do you spend a lot of time idling in traffic or at a job site? The shorter distance trips usually have less of an impact on the life of fluids, but can have an adverse effect, especially with engine oil, if the engine hasn't had time to warm up to temp. Long distance constant speed trips are almost ideal for fluid life. But things like engine oil, trans. fluid/diff fluid will have a reduced life. And constant low speed start/stops with a lot of idle time is arguably the hardest on any fluid or parts. Because with no cool air moving through the radiator or around parts, it generates a lot of heat. Which breaks down the fluids and related parts faster. Again, I'm no Audi specialist by no means. But it shouldn't be too hard for an experienced technician to know upon visual inspection whether a fluid should be replaced or not. Some parts can be tricky to diagnose without first having to remove and inspect. Which some parts on some vehicles can be a few hours of work just to get to a simple part. And then there's having proper equipment to do a proper diagnosis. The equipment you have is essential to making a good diagnosis. You can have all the knowledge in the world on how to fix a car. But if you don't have the equipment to get the information you need to make a proper diagnosis, it makes it very hard to get by on educated guesses. It doesn't pay to have to keep guessing at what the problem is. Then it gives you the dreaded title of "parts hanger". Just throwing parts at it until it's fixed. Most of the time, the parts you replace would have needed to be changed anyway. But if it doesn't fix the problem you set out to fix, it doesn't look good for whoever is doing the work
I am a previous subscriber who doesnt watch your videos as often. I was doing research on my Audi B8.5 S4's 3.0T Supercharged engine and i came across this teardown video. This is an engine that sometimes scares me to work on. You explained every step, broke it down to the individual parts and did troubleshooting. I now understand my engine more and dont feel as intimidated being a DYI mechanic.
Thank you.
Never heard or seen anything like this on a 3.0. I bought a S4 with a broken valve on cylinder 6. Thanks to God no damage to the cylinderwall. Restored the valves and did anything needed to be done. Timingchain isnt that big of a deal itself, just follow the instructions, but you need some special tools which sucks big time. Good Video :)
I just got a 2013 Q7 with the 3.0T - same issue suspected on exhaust valve. Did you have to pull the engine to get the head off? Do you want to sell any of those specialty tools?! :)
Hi. I have a problem with this engine in my S5. If I rev it over 5k it starts "burping" in a similar fashion as it does when you change gear, but constantly. If I keep revving, it loses power, doesn't respond to throttle and goes to idle vibrating weirdly meanwhile the EPC and Engine Light come on. I have to shift into neutral, stop the engine and restart it for it to work again. Anyone know what it might be? I've asked around in shops and nobody knows what it is. I use premium gasoline fuel.
It usually only happens on the 3.0t's, & 4.2 when people don't change the oil often enough and/or use cheap quality oil.
This Was actually a really interesting video. The thing I will take away most from this video is the sheer complexity of the engine. I was blown away at how much work has gone into that engine to have it designed and built and I have to admit it was quite a beautiful thing to look at. And it's a shame when people just abuse engines like that it's obvious that the person who owned it didn't take good care of it. That's a shame but Thank you for the video
Every like 5th day i get a chain rattle on startup with this engine in my S5, so i guess that timing chain DIY is welcome for atleast one person :D Thanks for the videos man always a exciting moment when u upload.
Same about to tackle this thing lol
This has been an eye opener for me, I always expected the term ‘seized engine’ to mean a meltdown of the big ends leaving behind a molten mess.
Very cool to see my engine apart and why I should do regular oil changes. Don't want anything to do with timing or engine internals. Car is 2014 S4. I did have a bad PVC that decided that the engine needed coolant in oil. That was fun.
Can they survive that? Ive just bought one!
@@bobsy852 yes. If you ever have the coolant disappearing. Check oil cap to see if looks like a milk shake. There are plenty of RUclips videos and how to in forums. Think the best one is from FCP Euro. Pretty straight forward. But after I fixed it I got a true coolant leak. Took me some time to figure the cross pipe broke while I was working on PVC. Car it's running like a champ.
Would love to see you work on a 2.7t. I know most VAG mechanics dread it but would be fun to watch you build one up.
I’ve been driving a Audi S4 2010 B8.0 (441 hp) 213.000 km for 6 years and have zero problems. It’s a beats of an engine in my opinion 🤩🤩
Beast.
It's a BEAST of an engine.
And whats 213,000 KM?
That's nothing.
My 2004 Dodge Ram Hemi 5.7 has 300,000 MILES. Over 600,000km+
@@rdallas81 That‘s 483k km…1.6 km to a mile.
Wow, I have the same engine in my A6 and it's been pushing 500 HP for the last 8 years. Seems bulletproof. This is really interesting to see. I have the same dual pulley setup from APR.
It only overheats if you beat on it all day at the track.
I change my oil every 8k kms, just in case. This just validates that being a great idea. Lol
I have the same setup on my S5, looking at rebuilds because i just spun a bearing, really want to do it myself but it just seems so invasive might be worth paying 4 grand for a shop to do it
I love how you changed at one point to really just exploring to find the issue. I know when I do, well anything, I get to a point where I'm almost out of "well I wish it would have been this but it's not" and start to have genuine curiousity about what's going on. I will also say, I now wish I would have been able to totally disable an engine on a car I had when I was a teenager that...well let's just say...ate itself. Would have been fun to compare what you had to do. As always, another great video. Thanks for posting!
Thank you!
Absolutely newbie on this stuff, but driving a 40 year old Toyota pickup truck with almost 300.000 miles on the clock, no blue smoke and drives amazing, people asking me a new engine? No still the original engine. It would be nice to have a tear down just as comparison, not mine though. Thanks for sharing.
I really like watching these teardown videos. The best are when you have the option to tear down a well maintained motor so we can see how successful an engine that is taken care of can be.
Thats a great point! We saw that in my R32 engine video.
Sadly nobody wants to see that. Ppl just want to see neglected engines so they can LOLZ because VAG 🤷♂️ and talk smack.
Or you have the camp that says hush mechanic you just want to sell more oil changes. Like we even make money doing that. I’ll take a timing job, or a tear down rebuild job over a 80 dollar oil change any day.🤦♂️🤷♂️
I would love to see a timing job on this 🙏🏽
No different than it is on the V8’s. The 3.0T is essentially the same engine, sans two cylinders
@@lynxstarautomotive208 Translation: An expensive nightmare either way.
@@Mayamax3 depends on the platform. On something like a Q5? It will run you like 6k parts and labor. ALL parts OEM VAG. No exceptions.
@@lynxstarautomotive208 I think 3.0 TDI also had almost the same timing chain design, but they switched over to a less complicated one later
So 20k for a new motor for one of these?? Damn what's sad is I would probably go ahead and put an engine in it, even if I could do it myself because getting out from under one of these cars and selling it with a blown engine is probably pretty difficult right??? Idk maybe thrtes some guys that would eant to diy an engine in there
This is one of the most entertaining and informative engine teardowns I’ve seen. Glad I found your channel.
Thank you
Those connecting rods and bearings did their impression of a Harley's exhaust pipe! They friction welded themselves in protest to the owner's obvious lack of maintenance. Guess pulling a dipstick once in a while was too much to ask. Common problem with too many people. It costs them dearly.
BTW: The timing chain/gear setup at 06:28 looked like the guts of a Rolex watch. Costs as much to replace too! 😀Thanks for the sadness video Charles!
Was just going to say the same thing. Looking at your oil level is such a easy task. Take a look at "I Do Cars." Over 90% of his engine failure tear-downs are caused by no or low oil conditions. All of this could have been completely avoided and it so confusing to me that someone would outlay a bunch of money for that type of vehicle, and not ensure that even the most basic things are taken care of.
Well they don’t come with a dip stick sooo….
@@gapcityracing6086 which means it’s electronically measured. A few button pushes inside the car and it’s done. Too easy.
Best part is that this engine doesnt even come with a dispstick from the factory!
@@michaelskinner896 I wasn’t talking to you and yea that’s why I said it doesn’t have one….
That's a seriously complex looking engine !
Now this was interesting. The engine looked so clean on the outside, I thought it couldn't be lack of maintenance.
Too long between oil changes usually end up in plenty of weeping.
The engine was clean because the gas in the oil was like a solvent, not a lubricant.
A previous comment mentioned the HPFP can if the rubber seal is crappy then leak some into the engine oil and cause this.
@@zenden6564 It's sort of funny that 40 years ago, electric fuel pumps got rid of diaphragm pumps that could leak, contaminate your oil with fuel, and destroy your engine. And AUDI brought back the problem.
This happened to my car at around 100k miles. I just never went past the upper oil pan. Ended up doing an engine swap. Glad I went down this route. Thanks for breaking this down! Now I know what happened to the engine.
Echoing what a lot of folks have said, LOVE LOVE LOVE the teardown videos.
We had one of those that was totally seized, my friend a mechanic, removed the plug in cylinder No 1, and filled it with salt. Left it overnight, vacuumed it out the next day, then put in a few drops of machine oil, replaced the spark plug and it fired up immediately, and we have since put over 150K on that engine and it runs beautifully.
This video gives some keen insight into why Audis are an expensive nightmare to work on, and why astute Audi owners sell the cars before the warranty is up.
In the start of the Vid I heard you say this had some upgrades and a tune on it, This is a clear example of why you should always, always upgrade fully. Anything that is going to cause more heat by running the engine harder and faster is going to need more oil and cooling ( and oil cooling ) on demand. These engines stock had Oil starvation issues, so anything you upgraded or tuned on them is only going to make that more of a pressure point on the engine it self. Invest in better cooling and oil pump.....Edit. I just finished the rest of the video lol and you went over it being upgraded and the oil starvation issues, awesome video as always
Please do a timing chain replacement video on this! Appreciate your tear down video. From a fellow B8.5 S4 owner 😂
Hey this is basically the exact same failure as the one I tore down! I think we're gonna see a lot of dead 3.0t in the coming years 💯
cause they do burning a lot of oil lol, mine burn 1 quart every 500 miles with new PCV, no leaking, no smoke, no losing power. It just loves eatting engin oil. 🙄
Great video, easy to watch and follow along and has helped my understanding of these Audi V engines. Also very scary how quickly oil starvation can ruin an engine!
Love your Videos! As a ex Audi and Porsche Mechanic and Enthusiast I can say those 3 Liter Supercharged Engines are usually very reliable. the biggest issue is usually the thermostat or waterpump which is easy to replace once you remove the supercharger (which can be removed in 30 minutes). Ive seen a tuned S4 that had the exact same failure of rod bearings. I kind of felt that in the beginning of the video. I owned a SQ5 with that engine and would buy another Car with this engine in a heartbeat. just do a APR software tune and call it a day. Probably overheated as well and the oil change intervals have not been done on this one for sure.
Hi. I have a problem with this engine in my S5. If I rev it over 5k it starts "burping" in a similar fashion as it does when you change gear, but constantly. If I keep revving, it loses power, doesn't respond to throttle and goes to idle vibrating weirdly meanwhile the EPC and Engine Light come on. I have to shift into neutral, stop the engine and restart it for it to work again. Anyone know what it might be? I've asked around in shops and nobody knows what it is. I use premium gasoline fuel.
So many pitch meeting references. And I’m here for them.
Edit: Pitch Meeting references are TIGHT
HAHA One of the few things on YT I watch.
Great teardown! Yes, VAG is all into triple squares now, I think all required to fully refurbish my i5 S4 engine was a small tray of tools, this is overly complicated!
I had a blast watching your video I love the way you explained everything as you want the job look very professional and the way you took it apart was very educational to say the least I’ll be following your videos now
There is a mechanic here in Poland that talked about this engine , I think it's this one, from newer models. He discovered that engine has some valve electronically controlled that decrease oil pressure when engine is idling! Basically it's running "dry" .So in long run (100 + thousand km) engine deteriorate and seize up ... Basically it's designed to fail ....
Your teardowns are awesome!
I have a 2013 Audi A7 and totally geeked out watching this video. Thank you for the Christmas gift.
Cheers!!!
You should totally do a timing chain on one of these things
Who ever owned this thing most probably tanked it ice-cold - pedal to the metal.
Just because you can buy something doesn't mean you understand it.
The carbon sud usually builds up by doing a lot short-distance driving. TFSI engines are more prone to that due to DI. Carbon build-up on older engines get constantly flushed away.
The super-tiny oil holes in the super-tiny piston rings (for saving a ridiculously small amount of fuel) are also prone to coking. Here in Germany many engine-pros put the pistons on a lathe and enlarge the grooves for fitting proper piston rings.
The small stock intercooler on an upgraded turbo engine does no damage - you just lose a few horses.
I bought a 2008 Passat in January with the FSI motor, engine was knocking, took the motor apart and found cylinder #4 bearing was completely gone and had damaged the crankshaft. I actually had my machine shop grind and polish the crank and get me oversized bearings. Car runs amazing now. When I bought the car it was pouring oil out the bottom of the motor and they continued to drive it that way. Oil starvation at its best
Great video. Must admit, the longer it went on and the engine wasn’t turning, I was thinking you’d left the hand break on.
Hahahhaha!!! My guess was a timing issue. I was not right
Love how you tear everything and explain the issues. I work on Audi and VW ,Land Rover etc.. and I enjoy watching your content. Great job. Hope one day I get to meet you in person and shake your hand. Nice to see a pro in action.
My condolences
Thank you!!!
Would love to see the rebuild on this - looks too hard !
I love how 99 percent of currently running Audis are diesels (1.9-2.0-2.5 tdi/pdtdi/crtdi) around here (Eastern EU), yet there's none seen on this channel 😀
This is the perfect example of how engineers earn the hate.
0:50 THAT RIGHT THERE is the sound of a man who knows what's "floating down the river", lovely vid cheers, and a Happy New Year to you.
id love to see a complete rebuild be done on this
I watched all 24 minutes of this and I don't even own an Audi of this age. In fact, I own a 2018 Tiguan. I just appreciate the hell techs go through to address the problems they encounter, and what the conversations must be like with neglectful owners (I'm assuming) who then want to haggle about the price of a repair such as this.
Yes please do the timing chain video. I'm getting into the euro cars lately so I want to gain as much knowledge from you as possible because your the best as well as diagnose Dan. I've learned alot from both of you. So please do the video please. Thank you and God bless...
It makes me appreciate the sheer simplicity of a LS. Too many potential modes of failure on these things!
At our shop, Audi/VW products constantly need engines. Not sure if Kia/Hyundai is worse but at least most of them are covered under warranty. I see so many of my customers buy used A4s and the engines are constantly a problem in every area from timing issues to burning so much oil. We do at least one 2.0 timing job a week
Hi. I have a problem with this engine in my S5. If I rev it over 5k it starts "burping" in a similar fashion as it does when you change gear, but constantly. If I keep revving, it loses power, doesn't respond to throttle and goes to idle vibrating weirdly meanwhile the EPC and Engine Light come on. I have to shift into neutral, stop the engine and restart it for it to work again. Anyone know what it might be? I've asked around in shops and nobody knows what it is. I use premium gasoline fuel.
What a cool engine 👍, lots of engineering
it is a really cool engine!
The 3.0T is a great engine! Stock it flies and it is an absolute monster with just some software tuning! Power is electric-car instant... no lag - no boost build - just instant go!
@@markjohnson2079 Its super fun!!!
7 years with this V6 & it deff has plenty of pep fun & reliable
This video makes me appreciate how amazing my 2010 S4 really is.
That engine is amazing, one of the best on market imo (B8). Also theres barely any carbon build up very nice~
Just goes to show no matter how good the engine, if you dont lube it properly it aint gonna be happy (this is also why you ALWAYS upgrade everything if you give it more HP, in this case with the stg 2 tune so increase of 180ish to take it to 500 hp from 333 hp)
Those are great motors when properly maintained. Bought mine years ago with 35,000 miles. Currently at 240,000 miles and doesnt skip a beat. Ive always changed the oil religiously every 3500-4000 miles with 5w-40 full synthetic. It has had a few leaks over the years that ive fixed but nothing too serious that I wasnt able to do in the driveway on a Saturday. Other than that, been very good to me and I love it. Wouldnt think twice about driving it coast to coast still.
That's probably exactly the problem with the engine he's tearing down here. They bought the 10K+ oil change meme cause oil is "so much more advanced now!" and now we see the resulting carbon, varnish, sludge... This is what happens.
Bar seems to be set pretty low for audis engines in the past few decades.
My 2004 Dodge Hemi has over 300,000 on it.
Everything original besides filters, oil, axles, brakes.
Have a 2004 v6 4.2 F150.
Also has 300,000 original miles.
Replaced battery, starter, water pump, thermostat, radiator, tires.
Both trucks need ball joints soon, also tie rod ends.
Had a 1997 Chevy Cavalier 2.2 with 400,000 miles on it-
And a 1988 Honda accord with over 1 million miles. I replaced the clutch in that Honda. 4th clutch.
@blewyd dang bro, you rack up the miles! Haha 1 million miles on an accord is impressive. My first car in high school was an old 91 beater accord. Bought it with 420,000 all original drive train however the engine developed a bad rod knock just before hitting 500k. Rebuilt it myself and drove it a little while longer before selling it. Aside from my Audi with 240,000 mentioned in my original post, My 2002 F250 7.3 diesel is at 376,000 as of now with no major work, my wife's 2010 Volkswagen Touareg is just about to hit 200k and it's never needed a single thing done to it aside from routine maintenance. Also had a 98 silverado 5.7 vortec that made it to about 350,000 before it started crapping out all over the place. Folks don't realize how long a vehicle can last with proper maintenance.
It will be interesting to get an estimate of the cost to overhaul this engine compared to a replacement engine.
I got a steal on a 60k mile engine 5k cash and they usually go for 7-8k for around that mileage … and all the shops told me ot would be cheaper just to buy a used engine than to rebuild .-.
All boils down to who's doing the work. This wouldn't have cost much in parts (if you just throw new bearings and rings in it) and machining (assuming that there are no cracks or warped blocks etc from the heat) and being able to reuse the pistons, cams etc.... Might have needed a new crank though. But those hours of labour at shop rates add up real quick.
I was a journeyman engine mech in my past life. Worked on some complicated engines. The 3.0T is very complex. Not for the inexperienced mechanic. Very interesting vid. Oil starvation fer shur
Literally once you got inside the motor especially the dirty crankcase, I knew it would be one of the last rods seizing it up. Just dealt with it myself on a customer motor it also seized the last rod due to low on oil. It seems when oil levels get too low its usually the very last rod that seizes first because it the farthest away from the oil pump. In his case once I unbolted the culprit rod, the whole thing including rod bolts came right all apart. He not only seized it up from low oil, but he tried several times to clutch drop going downhill it to start it again (manual acura integra) and I think that action stretched the rod drastically.
Working at a friend's shop we had one come in where the cat was plugged up solid on 1 bank. Replaced the cat and did an oil change test drove it. Customer picked it up and 1 mile down the road seized up. Crank to block. Took 20 min of a sledgehammer to remove the crank from the block. After a full tear down of course.
@1:49 - "Nice and super easy... barely an inconvenience"... I love the little reference to Ryan George's phrase from Screen Rant ❤
That dude is so freaking good!! Haha
You have more tolerance than I have .
Years ago I sold a 2001 Mitsubishi Diamante for $80 then just bought a new car. Had transmission problem.
Holy moly. That thing must have been glowing red
Amazed it didn't throw a rod through the block when it seized up , great video amazed that Audi or Vw didn't address this issue with this engine.
Boy I can't wait to run out and buy one of these gems . For the CBFA owner who has thought he's seen everything.
Thanks for the heads up !
I have recently ran across an A7 with 197k miles for a fantastic price. After seeing some comments here, it's probably not worth it. It is a gorgeous vehicle and I have spent over a week thinking about it.
"Actually it was super easy, barely an inconvenience." I get that reference :D
I know knowting about mecanic but it's a pleasure to see you working !
Excellent/clear video. MUCH better than most. Thanks for posting.
Thank you
This was so interesting and educational to watch. Amazing what damage can happen when the engine is not lubricated properly. Stumbled upon your channel by way of one of your shorts. I'm a new subscriber now.
I look forward to binge-watching your videos.
Gotta love when you do a timing job on this you just do a rear main seal. This gotta be one of the most non DIY friendly motors I've seen in a while. good ol audi
now that you have it all takewn apart, it would be amazing to see it built up with performance parts... in case the s4 ever needs an engine...
Please, Please do a timing chain video for this engine. I have two cars with this motor, both nearing 100k and plan to do both chains myself. Love your work! Thanks.
10:24 - Despite the crazy work behind the 9 gears synchronized by 4 chains I get to a point where I am really really excited. Becasue any moment there must be a "oohhhhh this fucked up everything moment". Great content!
I own a 1986 Honda Prelude. Nice little car. Looking at this engine, just made my head spin 🤣
When you pulled the oil pump, it looked like it got hot. From what I could see, the oil pump failed and the con rod bearings and seizing were the fallout of a failed oil pump.
*Pay close attention to the oil pump at 11:16. You'll see the discoloration
1:50 quick nod to Ryan's channel. Nicely done, quite appreciated.
Humble Mechanic.....great for school teacher instructional. Does not have enough enthusiasm.
This is why you buy old American Fords. My 351m had a rear main oil pouring problem. It's run out of oil twice. Still runs great lol
This is good perspective! A friend of mine has a 2010 S5 with the 4.2 V8 and I'm pretty sure it's seized.
I'll be going over there in a couple days to verify.
So glad I'm not a mechanic anymore, couldn't work on these mega complex engines !
I also watch another youtube channel with a weekly random engine teardown. I'm very convinced that the majority of car owners are not changing their oil frequently, or even keeping tabs on their oil levels. Almost every engine appeared as if it was running gunk for oil as if it was never changed, or with heavy burn indicators on various parts like what you finding. On the bright side, you likely have a reusable block and heads.
Wow that was quite some damage... I've had a rod thrown out of the block with a LOT less wear on the crank
right!!!
Hi. I have a problem with this engine in my S5. If I rev it over 5k it starts "burping" in a similar fashion as it does when you change gear, but constantly. If I keep revving, it loses power, doesn't respond to throttle and goes to idle vibrating weirdly meanwhile the EPC and Engine Light come on. I have to shift into neutral, stop the engine and restart it for it to work again. Anyone know what it might be? I've asked around in shops and nobody knows what it is. I use premium gasoline fuel.
Love breakdowns like this and seeing the problem in order to remove the mystery
First time seeing any of your videos and I'm a fan! Just your humor and demeanor is awesome. I'm subscribing!
Thank you
Awesome video , I was in the market for a 2015 S4 , after watching this video I changed my mind 😂
it's trully amasing watching an expert work.
thank you.
jolly good show 8)
This reminds me why I love the simplicity of the inline 6
You’re a whole genius when you sit next to any motor/engine and do this!! I’ve always wondered, do cool geniuses like you ever think of building their own engine ?
Very informative video. Great quality, however my favorite part was all the youtube references, specifically the "Ryan George" references with the, "Super easy! Barely an inconvenience!" And the "Wow, wow, wow.... ... wow..." 😂
Thanks for this teardown video. It is good to see all the nightmare results of not taking care of your car.
That is also an impressive, intricate engine.
"Actually super easy. Barely an inconvenience." Love the reference.