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Did this $24,000.00 Porsche 991 Engine Explode? Bore Scoring? IMS Failure?
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- เผยแพร่เมื่อ 17 ส.ค. 2024
- Is the title Click Bait? No, it's worse.... there is a whole new set of issues caused by uneven thermal expansion. A problem that can turn a low mileage, 991 engine into a paperweight. Driver beware!
Did this $24,000.00 Porsche 991 Engine Explode? Bore Scoring? IMS Failure? Let's find out! (EPISODE 82)
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See how this all started HERE 👍 - • PORSCHE 996 Carrera DI...
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#cars #engine #porsche991
00:00 Intro
00:50 Photos before Starting
01:05 991 Visual Inspection IMS RMS
01:40 Engine Number
02:45 Direct Injection
03:40 Spark Plug Removal
04:30 Cylinder Borescope Inspection
04:45 Oil Pan Drain
06:10 Bearing Foil in Oil
07:50 Dog Tricks with Delta!
09:05 Cam Cover Removal
09:45 Variable Valve Timing Solenoid
12:11 Cam Shaft Removal
12:30 Outro
I have the 3.8 version of this engine. Very satisfying when I dropped my oil pain (which is remarkably easy) and found no metal. I'm nearly to 90k miles now and I send an oil sample off for analysis each oil change.
Hello Finn , nice to see you doing another video again , one thing I didn’t understand was the fact that although the engine was damaged already you didn’t wanted to turn it over to TDC , and one tip I want give is that when want to remove the bearing caps to take out the cams out of these types of engines , you first have to make sure that there is no tension on the cam chains , this is to avoid damage on the cilinderheads !!!
Hello Arnold, i edited it out of the video but these pulleys need a special tool to turn over. Im not interested in spending money on an unknown engine plus I don’t see any value in turning the engine at this stage. How do you remove tension out of the cam chains other than then the tensioner? Have you ever seen damage to a cylinder head as a direct result of not removing tension? I have got mixed advice on that one. Thank you for your help 🙌
@@ManinaGarage There is always a chance of producing a dent in the aluminum of the chain side of the camshaft bearing because of the high tension on that side of the camshaft .
I always make sure that tension on the chains is as low as possible , no matter what !!
There is always a way to turn the crankshaft pulley if the sparkplugs are out !!
Ever since Porsche watercooled the flat 6, they've had tons of reliability issues then add the removal of a dipstick on such a iconic enthusiast car is all deal breaker for me. The irony is this 2013 no longer has an IMS yet still suffers from reliability issues. I sold my watercooled 911 and bought a 1982 911 SC and love it so much more.
haha might have to pick up that porsche special tool for myself. Good seeing the new video out Finn. I’m actually just in the process of installing my 2002 C4S engine this weekend and your videos were a major help so thanks!
That special tool was surprisingly satisfying, It is recommended 🧘🏻♂ I'm very glad to hear that your C4S will be back on the road in time for the summer, Thank you for watching 🤘😎
Oh boy, any metal is never a good sign. I'm going to say this is bearing material. Good to see another engine video. :)
Great video Finn! Look forward to next few.!... I have a video clip of the engine running before its final shutdown and flatbed to the shop, if you want to incorporate in the next one. To the Peanut Gallery below, this was my engine and can assure you that the oil was changed religiously every 3-5K miles for the past 4 years of ownership. I did take a nice sample for Blackstone Labs to be sent out for analysis but would of expected more oil to come out when you pulled the plug. At the time of failure, the engine had 2300 miles on the oil.
Was there ever a low oil warning? What was the oil temperature? That engine takes 8 liters of oil? And about 300cc came out, and maybe 300cc in the bottom of the pan.. where did the other 7 liters of oil go. If you run an engine with no oil, it's no surprise that bearings will start being destroyed.
What the heck happened to the oil? As you said - you would have expected more oil to come out.. I would have expected a LOT more oil to come out, and the sludge in the pan indicates what oil was in there was severely overheated.
@@Don_Eilenberger Oil was drained by the shop that replaced my engine. What Finn drained was just the residual. It had full oil at the time of failure.
@@krisztian007 Great to hear - so it was simply a failure. No overrevs? Doesn't sound like you abused it - if anything you babied it. Bummer..
So sorry for your troubles. Did you see metal bits in the oil filter when oil was changed over the 4 years of ownership?
No metal during my oil changes... Came very unexpectedly.....@@rayz8000
I missed this one Finn! Nice to see you on the tools again mate, hope you’re well. 🤩👌
Good to see you're back on the tools Finn! Hope you're well mate.
Thank you for watching Pig Monkey! 🤘😎
Good video Finn, 👍🏻👍🏻👍🏻with you I learn about the porsche engine👍🏻🤟🏻
Good to see you back with an engine project. Bring back the old tear down team.
They will be back in the garage soon! Thank you for watching 🤘😎
I have a 991.1 3.4 22k miles with the same ticking and I have found copper flake in the oil change. Same issue I imagine. Will be following closely.
Sorry to hear that... I tried to involve Porsche NA and told them my story but they had zero interest in helping or finding the cause. Porsche as a company has become so arrogant and only cater to the repeat Turbo S, GT3 crowd.
@@krisztian007 I figure it’s an effort in futility to even ask for goodwill despite the fact I took it to them twice and the ignored my concerns. This will probably be the last Porsche I buy. These cars are mentally and financially draining.
@@NickElias Disappointing for sure, I like Porsches too much to walk away but know that I’m on my own when it comes to support.
@@NickElias I'm 7 years into my Turbo S and no complaints. It's got 50K on it, everything pretty much works like new.
Brilliant to see you back on the tools. 991 engine is very exciting - a big step up for you, 996 to 991. What is the ambition here, rebuild it and get it running?
Hello Lester, this 991 engine manifested itself into my life due to the need for a change, that change includes a bunch of smaller projects that avoid lifting, heavy wrenching and laying under things. The reason for the delay in videos, the Horse head and the upcoming Kelsey extravaganza (your welcome) is my bloody spinal cord injury. I’ve been in a hard neck collar 24/7 for a few weeks while they figure out another surgery, that might be next week?? . With that in mind I am not thinking very far ahead for these videos, there will also be a bunch where I don’t show my upper body because of the neck apparatus. Thank you and everyone else who came back to watch this video 🙏 There are many more videos already shot and new projects already in the tiny garage. Stay Tuned 🤘😎
@@ManinaGarage Very sorry you have a chronic back injury. It must be rubbish! We shall all keep our fingers crossed you quickly get to a good outcome. Good luck.
Great video, as always, Finn! Porsche special tool FU101 😂
Well that looks like fun! Courage, my friend!
Finn the way to remove the camshafts is to remove the cam gears first and you also fit the cams and then the gears when it comes to rebuilding it
Thank you Lee! 🤘😎
Lee, it's really cool to see your posts show up in so many nooks and crannies related to these engines. Really shows you have your fingers on the pulse. I have a 3.8L 997.2 and really hope to build the engine to a higher displacement myself one day. I constantly research and see your posts everywhere. Makes me chuckle every time.
@@Matt-xx8mt thanks try my best to help people where needed. Give me a shout when your looking at building yours we can offer 4.0 or 4.2 conversions on the these
oil pump solenoid ...
Great to see you back at work
Thank you for watching Mark! 🤘😎
Grate video mate feed up with all the 991 is bulky proof boys (it's just that they are younger cars ) not over 10 years showing the same problems
Thank you for watching! 🤘😎
Avoid all the headaches buy "air-cooled " the only way to go.
Check out the K997 project,
good engine conversion
Watching with morbid curiosity...
Is there a back story to this? It seems like an episode has been skipped as this is a new project with no preamble.
The original owner talks about the engine in the comments, have read through for more information.. Long intros/explanations are not rewarded on TH-cam, please just enjoy the video for what it is. Thank you for watching! 🤘😎
Definitely bearing foil, wonder which ones, rods or mains!
I bet if you tap the pistons with a soft stick hard enough, you might find one or more of them move. One is a rod, more is either multiple rods or the mains.
Also, mains, I'd imagine pulling the FMS and/or RMS would give you an idea if the crank is floating around.
Looking forward to more 9A1 carnage, hopefully with salvageable case halves and internals! Head looks OK.
On that engine, can you see into the internals through the oil sump, like the M96/97 allows?
Thank you Mike 🙌 Thats some quality info, Im printing your comment and bringing it out to the tiny garage, YOU ROCK! 🤘😎
Panning for gold. I'm going to have to use that line.
Just maybe the oil pump quit feeding the bearings ?
That sounds plausible, perhaps the oil pump has an issue? I want to go out there right now and continue working on it!! Thank you for watching 🤘😎
You'll want to be sitting down before you look up the replacement cost on that chain. LOL
Wish I would have heard the engine running in the beginning of the video
Definitely, that would be a good record to have along with the ultimate diagnosis. In this case, the engine came to me as you see it. Thank you for watching 🤘😎
Looks like main bearings with that much scarf in the sump.
Winner winner chicken dinner! Thank you for watching! 🤘😎
Can you please explain what the ticking noice sounded like? Was it fast or slow. Did it come from one side more then the other? The reason I’m asking is that my engine just started making a ticking noise. Maybe 2 per second at idle coming from the driver side.
With luck there will be more information in next weeks episode. Thank you for watching 🤘😎
Maybe I missed it, but where did this engine come from? What’s the goal here? To fix it or just experiment/learn? Both probably?
Have a read through the comments, the person I got the engine from talks about it. Thank you for watching! 🤘😎
Found it. I was just really confused. In all your previous videos you went into every in such detail that I felt like I might consider tackling it on my own. Then this mystery engine pops up out of nowhere, gets disassembled, and…(can’t remember what all happened in the video) but I was left scratching my head.
@@K1dPhresh1 Thats fair comment. The 996 videos were originally just intended to help me to put the car back together. Once I started publishing them online it turned into something else. Since learning a bit more about TH-cam I wanted to experiment with other formats and subjects. I thought for the casual viewer who does not know any of my other videos, a couple of quick and snappy videos on this 991 engine could be cool. In future i will include more background on short term projects like the 991 engine. My concern is boring people with information that may get in the way of getting to the meat and potatoes of the video. Im still learning 😅 Thank you for watching and commenting 🤘😎
Please don’t take it as a criticism. I loved the series on your 996. It was education and entertaining. And then there were bonuses like Delta and your other “helpers”!😉 I was thinking I somehow missed an episode and you had started a new series and was just lost. That’s all. Hope all is well!
@@K1dPhresh1 Your feedback is appreciated, its helpful to know what people think. In future perhaps a quick bare bones history update would be a good idea. More videos soon, I needed to get some new parts installed in my body first 🤣😂 Thank you for being part of the tiny garage 🤘😎
Really enjoyed this thanks
Thank for watching Robert! 🙌 Here is part 2 th-cam.com/video/i4Z3ub3Nftk/w-d-xo.htmlsi=uPYVFXtvc9iPEc93
Finn I have a question about an 00 996 cab . I found oil in the coolant reservoir, august 2022. The car had been over heating but realized too late. I dont recallchow well i have maintained oil changes, but and i have driven it hard on highways.
Since august 2022 its been sitting since, battery is dead and dont want to run it because I havent the funds to make any moves.
My questions to you are,
I am not sure if its cheaper to rebuild myself with my mechanic or to purchase a used rebuilt engine?
And
Also, though it is sitting, do you recommend I drain fluids(engine oil, coolant) from the car?
Thank you for your time and all your videos are entertaining and educational. I aspire to reach your confidence and expertise as a mechanic and with the ladies.
Sounds like your oil/water heat exchanger. Replace it + O-Rings, flush and fill everything (oil & coolant) and you might be good to go. Do some pressure tests also, just in case. A rebuild by a mechanic seems to often be $20k+ from what people have told me. Its $5-10k in parts and machine work for a diy build depending on what you replace. If you have bore scoring add another $5-10k for machine work and pistons. Used engines are $6-12k. Thank you for watching 🤘😎
The scavenge pump you reference on #1 bank is the vacuum pump for the brake booster etc.
Wow! okay 👍 I never would have guessed 😂🤣 Thank you for watching 🤘😎
@@ManinaGarage the clue might be there was almost no oil in it..
My money is on oil starvation and the rest is history.
No followup video????
Here you go Ray! th-cam.com/video/i4Z3ub3Nftk/w-d-xo.htmlsi=v7gNJ4unXLimZ_4p
Thank you for watching! 🤘😎
wow that video stopped in just the right place to be absolutely useless. congratulations!!!!
Most people watch part 2 👍
That oil is nasty. I say it was severely neglected.
Except it wasn't neglected. I personally changed the oil at far below the Porsche recommended intervals with Liqui Moly. This engine came out of my 991.
@@krisztian007 Sorry to hear that as I’m sure it’s not a cheap fix. Just was noticing the oil color when the pan came off and also the narrator stating it was sludgy. How often were you changing it?
@@KCMedia33 Every 3-5K or 6 months on the 911 as its a weekend driver. It definitely didn't look like healthy oil in the pan that's for sure....
@@KCMedia33 the sludge is a result of overheating of the oil due to no oil circulating in the engine. Nothing came out of the engine before he opened it up and only a tiny bit was in the pan. The oil went somewhere (my money would be on it went into the cooling system since the owner mentioned no signs of oil leaks and the outside of the engine wasn't particularly oily.)
What I don't understand at all is why a Low Oil warning wasn't shown when it got that low.. and that the oil temperature wasn't showing gross overheating of the oil.
basically all porsche engine suffer from serious engine issue! I just bought cayman S mk2 model. I hope that it wouldn't happen to me............ I will be a good boy God!!!!!!!! Please no!!!!!!!!!!!! by the way, I can't believe that you just cut the timing chain to get off cams!!!!!!
Cutting timing chains is strangely satisfying 😜 Thank you for watching! 🤘😎
Why do people buy nice cars and then not change the damn oil?
😂 It does look like molasses? Ill go back and beat him with a stick 🫡
2300 miles on the oil that was at the time of failure. 5 months. So we can start looking for another cause now.
@@krisztian007 The clarification is appreciated, Thank you 🙏
I just came here to see Delta 😂
Delta says Woof! 🤘😎