Owner Op's Worst Nightmare, Simple Repair turns into a Major Problem.
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- Опубликовано: 10 сен 2024
- In this video we start with a seemingly simple repair that turns into, well, a much less simple repair. @AdeptApe on Venmo or AdeptApe@yahoo.com on PayPal for donations, thank you so much for supporting the channel!
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Turns out that putting this engine back together has turned into more challenges, might want to make another video about that. Check out Derek's sticker store here: griddesigns.net/products/adept-ape-decal
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I was very hopeful to watch you put the kit in it. 🙏
If buy a screaming goat too lol
1.3 million miles and some original parts.... That truck has been well taken care of 🤘
Finding a great mechanic with all the tools is a rare thing in this age.
Tools are not cheap. It gets worse when manufacturers in their Infinite wisdom thinks it's a great idea to use oddball sizes and specialty style fasteners.
Ran into a friend of a friend, diesel mechanic, awesome so am I, asked if he had any specialty tools, he said no, the shop supplies anything he needs, I have all my Cummins and Detroit tools but you never know what your going to run up against, it's cool he has his own specialty tools, I'm an owner operator and can't afford to use a shop to fix my trucks, so I buy tools, I feel like I can do a better job than most heavy mechanics, but I'm far from winning a prize, but my trucks are running and I'm not fixing the same thing twice, God bless you guys
At least it is caught, and metal shrapnel has not gone thru the whole engine. Clearly the owners attention to detail & maintenance was spot on. Hopefully this one is a quick turnaround for the owner… despite the blow to the wallet..
Adept Ape is a Cat Legend
ABSOLUTE TRUTH!!
Wow, you caught that just in time. Here’s to another million. Cheers!
Hey Josh! Great video. Im a HD mechanic who spent Alot of my Career in the gas compression industry, where Valve recession is a very common problem and as such I am very familiar with it. The reason you likely cannot find specs for the valve recession is because there isn’t any. The engine needs to be measured and have records kept starting at the 500 hr service interval after the engine is first started from brand new, after an overhaul or just having a new cylinder head installed. Then you can monitor the valve recession and replace the head once the Maximum recession has been reached which is a number that is provided by the Oem generally, but without the record of the valve recession history, that number means nothing. I would also say the cavitation damage is likely due to poor coolant additive package life ie: coolant is not being changed often enough and is depleted of DCA which helps with cavitation. Combined with poor rad cap leading to low pressure and low water pump inlet pressure. Just a guess. Lol. Had a 855 cummins with really bad cavitation damage years ago and it was due to all these reasons and a few others specific to a gas compressor package.
I hope you're making enough money to keep working this way. You have the freedom to show any repair you want and take as long as you like to explain everything (i.e. teach) your subscribers. Thanks Professor Ape!!!
I would think he is, mobile mechanics get to charge more, and he also has a following at this point. People trust him with Cat engines.
Really like how you methodically work through the problem. I always enjoy the videos. Keep up the good work
My motorhome has a 3126E cat. We used to have a '75 VW beetle that I adjusted the valve lash on about every 6 months and one of the valves had 2 small of clearance the other 3 were ok or too large of clearance. After 2 or 3 years it dropped a valve(head of valve separated from the stem due to stretching of the valve which was why the clearance on that valve kept closing up and probably burned the valve causing it to fail. Funny thing was it ran the best it every did the last two weeks before it failed. Thanks for posting, Josh.
When I was a Pete salesman we had a lot of trucks with cavitated liners and the Cat rep said this was caused by the block not being directly grounded to the frame rail. We added many ground wires to those trucks back in the 90's
I would like to think he was right but it's not what CAT says is the issue. Their only fix is to keep the coolant conditioner up to date.
@@deez_pucks4709 I think both can play a part in this. Bad grounding causes some weird issues. I know bad grounds can take out gas engine radiators even. This has many more miles than most gas engines will ever see.
Back in the late 70’s we had one variant of car with an alloy head and rubber mounted radiator and the heads used to rot out fast, real fast but if you soldered a copper earth strap to the brass radiator tank and warred it to the chassis the problem stopped. But changing coolant yearly helps as well, I’ve also heard nitrates seperate out of the water over time and start to eat stuff but havnt seen clinical proof of it.
Back in the late 70’s we had one variant of car with an alloy head and rubber mounted radiator and the heads used to rot out fast, real fast but if you soldered a copper earth strap to the brass radiator tank and bolted it to the chassis the problem stopped. But changing coolant yearly helps as well, I’ve also heard nitrates seperate out of the water over time and start to eat stuff but havnt seen clinical proof of it.
Loved my 5ek, rev limit raised to 2300rpm with 550 cat tune and a big cat turbo meant for something else. Was magnificent in the mountains, didn’t take long to learn to stay out of the throttle to keep the fuel bill reasonable lol
I feel like these engines should have a fuel burn rate gauge similar to the tachometer, so you can monitor how much fuel is getting burned and fine tune the driving. Would be interesting to have.
"Quote" I've run Torque Pro continuously for over 60K miles in my '14, displaying Long Term Average, Instantaneous, and Trip MPG data. With my vehicle, the TP data is extremely accurate when compared to calculating MPG via actual fuel burned (from gas station receipt and odometer miles traveled).Jul 18, 2022
Screaming goat approved, lmao. I love it. I wanna see these stickers on literally everything you own, kids, dogs, frig, etc... Hope you and everyone else enjoy them!
I appreciate all People whom take pride and Perpetuate their trade with great Care & Detail.
It always sucks to need engine work but the customer definetly got every mile out of that engine
I find these fascinating. Especially how what seems like it's a generally simple issue, can be hiding a really large iceberg of troubles. This owner has definitely paid attention to and cared for his rig if it's at that mileage with just the issues it has now.
Now that you did the tear down…do we get to see the buildup? Love the details and yes….we want to see the stuff you think is boring. Details make the difference! Appreciated brother!
Oh wait….you did! Xoxo
Wow, If that had been run much longer, this truck might have been a contender for destruction of the week.
You're right and he is both lucky to have gotten the repairs done now and it's unfortunate that we going it needed so many things.
hope there is a part 2 video. and of course i had to get the screaming goat. makes me laugh every time.
I recently replaced a 3406E with a brand new 6NZ. By the time you buy a crank and platinum kit the 6NZ was less expensive. That engine had almost 2 million and I had done an in chassis at a million miles. It spun #5 rod bearing.
When I worked at Cat if the crank had an issue it instantly became an out of frame.
I got a set of non Jake Brake rocker arm bolts. I leave the Jake off until I find the problem. Told one guy do not back the adjustment screws off, until you check the lash. If your having valve recession, you may not find it.
Looks like the cooling system needs a good flushing. Good find.
I mainly work with natural gas engines and the valve recession concerns are a lot higher due to higher temperatures and that we usually run 24-7 near rated load. The liner cavitation can be slowed down but is something that will catch up to you. To minimize cavitation you have to have sufficient coolant pressure, along with good coolant maintenance. A key additive that slows down cavitation erosion is the nitrites in the additive package. Over time these additives deplete due to contaminants and heat. The diesel firing cycle promotes more cavitation due to higher peak pressures than natural gas applications.
I mean, that much mileage on mostly original equipment? That old girl has done her job VERY well. And the owner should be commended for his keeping the engine and truck alive so long. Its a good looking KW, happy to see it continue on with a new lease on life!
At least you found the issues before the truck was left stranded on a logging trail and it's in the shop once instead of multiple times.
Love the Screaming Goat approved and love the content.
Can of worms, but a lot of preventative maintenance. If I got that sticker, I wonder if I'd be the only one in New Zealand to have it!?
I just added shipping options to New Zealand to ship DHL - It's supposed to calculate it on checkout. If you get one, I'd love a pic! I bet Josh would too
Wow, it’s always intense waiting to see what happens, 😧😂. But always love seeing your work
Wow great find i seen this on an engine that had nearly 50k hours lot of light loading and well taken care of allowed it to live long past anything anyone could ask great job Josh!
Saved the block.
Love the portable hoist, excellent investment.
Ouch! That cavitation is severe.
I have the same engine in my truck. What's funny is a couple hours before this video I just picked up some coolant additive to put in to help protect against cavitation.
Very interesting 🤔 Great workmanship !!!
Thanks Josh !!
Great comeback video after the van episodes. Such interesting breaks and finds. I was watching with keen learning. The crane is very cool and practical. Love this content. The stickers are pretty cool. An awesome idea. Cheers Josh. Keep on bolting. 🔩🔧👍💪👊👍
I might do a video on the gantry crane here in the future, sounds like a lot of people like it and want to know more about it.
Having picked up DT 466 heads off with a traditional engine hoist, that gantry would have been a real asset.
That gantry crane is interesting. Very nice for the application you are using it for.
Truly looking forward to watching the rebuild process! Lord willing no firther problems will be revealed.
An owner operator that cares about his equipment. That's how he got all those miles out of it.
Knew that feller was a truck driver as soon as that headset appeared in the video. Think they even ever their headsets to bed. Haha
It is true, only ever seen truck drivers wear them and never seen a truck driver without them.
Those headsets are amazing. Cut out a ton of background noise so people can hear us driving down the road. That being said, I don't understand people who wear them all the time, even when they aren't on the phone.
Many many miles on that rig, your vid's are alway's interesting. Thank you.
Wow those pits are bad. It’s a good thing it got tore down now and didn’t keep on pushing that engine to its max. It may have been a major catastrophic failure. Nice gantry rig.
Love your aluminum crane setup! So cool. Great videos great channel.
Inspires me to change the coolant and watch the PH. On the other hand 1.2m miles, engine doesn't owe a nickel.
As a guy that grew up around loggers, that’s amazing that he got 1,300,000 miles off of that engine without having to do major work but I can tell by the end of the video it did needed so I’m looking forward to watching you do this rebuild
1.2 mil that engine doesn't owe that guy a thing, and good on him for the upkeep to get that far.
5EK thats what I had in my 1995 W900L 475 HP 15 over with 3.55 rears. He could move.
Enjoy your evening with all your family around you,Adept Ape
👍
PERCEPTIVE,Adept Ape
Take care,Adept Ape
From Nick Ayivor from London England UK 🇬🇧 ⏰️ 22:29PM Good Evening
The yelling sheep cracks me up every time. Excellent video.
@AdeptApe great content as always, would be great if you could post a video someday on how you address the sunk liners.
Notice the pitting is on the thrust side of the liner. Also the rear cylinder usually has the higher amount of cavitation damage. This is due to the coolant pressure getting lower towards the rear of the engine.
Wow lack of cooling system maintenance was a learning experience $$$
Great video Josh 😊🏴
My 5ek started cavitation leaking at 1.25 only hard parts replaced were liners .always changed oil at 30,000 miles. Sold it at 1.5 ,original turbo.
Looking forward to the next video on this engine, gonna get me one of those stickers for my toolbox. 👍👍👍
I think you could sell millions of screaming goats much like the staples button reprogrammed to say “ Bullsh*t”. Lol
When I did my Inframe I used a 2ton Pittsburgh engine hoist. A short chain. You can take the driver side wheel off if you want. It'll make it easier to remove the head.
the crane set up is awesome /never seen one before but looks like it would be super handy
Josh, you need a Dake arbor press. I have a # 1.5 and it is available cheap!!. Just need to get it out to Idaho !!
Man that's a bummer but at 1.3 million miles this was definitely over due.
No Moe I talked to Larry and Curly. They said the hair looks fine. Lol.
You'll be happy to know I got a haircut.
Pre vva engines can use exhaust rockers on intake and if a cam and rockers are replaced reman exhaust are cheaper don’t put intake on the exhaust side tho
Good eye !
Sunk valves seem to be more common on CNG stuff
I'm not sure why, maybe higher consumption temps causing the valves to sink into the head faster
I'm down to buy some stickers if he can make the a little smaller 🙏🏻
He can probably print some different sizes if you reach out to him on the website.
Josh, why don’t you have an actual service truck with a crane? Is it because of the cost?
More the pain in the butt of having a DOT vehicle and the size of my current garage space. I hate service truck cranes in general, had lots of problems with them in the past, so I didn't trust them.
We alll know a guy, hopefully never us, broken exhaust manifold stud, turned into a head removal, head replacement, new pistons and liners, lower end bearings, full In frame, kinda like my perfect running engine that was freshened up lost a head gasket, nope I bought it this way it had a in frame but they didn't change the liners, #3 was sunk, so $7000 later it's all good
Please Josh I know you already have the vids for it, but will you show you putting the engine back together. Love seeing the different Cat engines procedures
Fantastic video 👏👏👏🔥
Harber freight gantry crane worked great on my friends 99 Pete out of frame he had a liner break in half his is a 6NZ
Pretty cool hoist setup
Little extra time & money but the cost of that engine blowing with a full load of logs in the bush means its well worth the effort!
My C15 had sunken valves all throughout the head….
THE SUSPENSE. 😮😮😮😮😮
The C27 in the D10T had a huge known problem of intake valve recession around 5000hrs. CAT’s fix was “replace with new 😂
Im ready
Owners of Airhead BMW motorcycles are painfully familiar with valve seat recession. They had soft seats for years.
Stupid question time - are you able to pull the liners with the piston still installed? Or was that just some artistic license that you went from examining the head gasket to examining the liner with ho mention of the oil pan and connecting rods. I'm thinking you might be able to pull the liner with the piston at BDC but to reinstall??? By the way - not trying to be a jerk here, just trying to learn. Really like your content.
Yes, you can get a cylinder pack puller that will pull the entire assembly off you pull the rod cap off.
Uhh it's alot more interesting seeing it being fixed and put back together...
This misfire under load I’ve found more often then not to be valve related. I hate when a customer gives that detail lol . Well I don’t hate but I definitely end up being the barer of bad news.
I guess not with valve recession more typical with a valve that’s not opening all the way
His engine miss was nearly certainly the injector, the way it would go from firing to completely dead cylinder, the injectors have 1.3 million on them. Just a bad deal to find that the valves were recessed, better than getting a dropped valve for sure, but still sucks.
elecrolisis is what causes sleeve pitting. dillgant antifreeze changes prevet it.
Probably liner cavitation not electrolosis
Using the litmus paper check and using nalcool or WIX cool to get the mix correct
Great video Sherlock!
Always an unknown till you start stripping it down 😯
An ad for Kamala Harris interrupted right before DOTW. Coincidence?
Would thicker and subsequently stiffer liners stop cavitation pitting?
That's a good question, so the C16 engines use the same block, but have a larger bore, so their liners are thinner to the point that they don't even have oring seals, they are flat seals. Not sure if they suffer worse cavitation. Some Cat engineer may know the answer to that question though.
I’m very curious as to what caused that cavitation. Was he using the wrong coolant, or was the coolant weak?
Yeah 1.3 in a logger pretty good
Excellent video. So with the new liners, and a head.., realistically how many more miles could the owner expect that engine to go. I understand many various sundry items (i.e., injectors, fuel pumps, water pumps, etc.,), but would maybe get 1/2-million more miles..?
Hey Josh, there is no valve recession measurement in SIS from the top down, but in the reusablility guidelines for cylinder heads and valvetrains, there is valve recession measurements from the valve face to the head surface. I believe 3406 has about 80 thousandths of room in the specs.
I would love to know too if you had to send that head out for resurfacing for fire ring damage, or were you able to reuse just sanding it down?
is there a way to contact you for you do do work on my truck when needed and in the area?
AdeptApe@yahoo.com
Part 2?
Waiting for nxt video!?!?!
what brand is that gantry crane
Looks like you cot it right before Catastrophic failure
Good video
So what now. Change all the liners?
Where’d u buy that gantry
Tap water kills another one.
Hello Josh , I have a question. I have c 15 acer motor , I was pulling load my oil pressure was at normal about 55 at 1400 rpm, then my pressure oil started dropping down 40-30-15 buzzer went out I pull on the shoulder and shut off my engine. I inspected all around engine no issues no oil leaks, oil level was full, I did pm service 7k ago, so I was waiting till engine cooled off, I started back up keep my rpm hi , my oil pressure was up to 45 -50 , drove to Peterbilt last cruses nm 5 mi, I bought and change my oil pressure sensor, nothing changed, I asked peterbilt to diagnose for me, I asked them to put manual pressure, they did it was a same is my dash gage low pressure, than next day they opened valve cover nothing was broken, next day finally they dropped the oil pan and cut open oil filter and found silver metal shavings tiny pieces. What do you think what is the problem? Main bearing? If so probably crank shaft is damaged to? I am so stressed out now I am just two months ago put new head manifold and turbo , I don’t know if making any sense to put more money in to? It’s about 900,000 on engine I bought this truck 2 years ago, keep dumping money in no profit? Please advise me if you can? Thank you .I Am watching your videos all the time. Keep up good work sir!
Well, with metal in the filter, yes you need to pull the oil pan and see what the heck is going on. Something is coming apart to lose that much oil pressure. It's bad that this happened, but with 900,000 miles things can fail. Best thing to do is to find out if maybe the oil pump is coming apart or you have something worse like a bearing failure.
@@AdeptApe thank you, dealership Peterbilt dropped oil pan down and in the oil and pan was metal sheivings , took them 3 days to drop oil pan, I am afraid to leave truck there, took them 3 days for dropping oil pan, how long going to take to finish it up? Thanks for reapplying. I was hoping to hear from you, maybe bearings out, and possibly my crankshaft shaft is good? Because I don’t know how good cat crankshaft is?
Wouldn't the coolant package protect the liners even at those miles? maintained........
Im curious what does a typical million mile in frame cost? I get there are variables, 30k?
At a Dealership it's pretty going to start around $30,000. If you get aftermarket parts and have an independent do it, more like $18,000, but no extended warranty option on that.
Are you still using the torque multiplier to get the main caps off?
Think he got his money out of that cylinder head and injectors