We have an 11.1 S60 Detroit, our part time mechanic that helps me a few days a week changed the oil in it recently and pictured below was on the drain plug. Unfortunately he didn't keep the shavings so I could have a look. I pulled the accessory drive, bull gear looks okay not like it's been wobbling.
Any other quick checks I should do to try to locate the source? Only 364k on the clock but it's in a dump truck so it usually gets rode hard and put up wet.
11.1 S60 Detroit metal in oil, bull gear bearing?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by dieselfuelonly, Aug 5, 2020.
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That’s some big metal. Pull the pan, might get lucky, maybe part of the oil pump came loose, or something else simple, easy to see.
dieselfuelonly and lwlevens Thank this. -
I'm doubting I'd see chunks that big from the compressor but that could be a possibility as well.Rideandrepair Thanks this. -
You would be wise to avoid running that engine if at all possible. Start with the easy checks like pulling the valve cover and oil pan. Front cover is probably a major pain to remove so I'd leave that until last.
Rideandrepair, dieselfuelonly and blairandgretchen Thank this. -
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Recent turbo shaft failure?
magoo68, Rideandrepair and dieselfuelonly Thank this. -
Drained the oil and had a look at the drain plug magnet, few more flakes. I'm definitely not letting the truck to go out any more until I can find the source, drove it in the shop today and that's as far as it'll go.
Dropped the pan, oil pump drive gear looked fine and didn't initially see anything that looked off around the pump but I'll have a closer look tomorrow. I think I'll pull the valve cover tomorrow and have a look on top, I'm hoping if the source was from on top I'll be able to see some more chunks and flakes of metal that didn't make it down the drains back to the pan. Will see how the bearings/shaft in the turbo feel as well. If I'm still not having any luck I guess it'll be time to pull the front cover and have a closer look under there.
Really wish our part time help hadn't thrown away the larger chunks he found in the first pic so I could see them for myself, but too late to worry over that now.
SmallPackage, Rideandrepair and Cat sdp Thank this. -
Not a Detroit. But the last time I changed the oil in my old Cummins Nh 250 this piece was sitting on the bottom of the pan within a fingers reach through the drain hole. Its a 3/4” long piece of piston ring from an overhaul that occured over 30 years ago!
Guess it rested somewhere in the block and wasn’t cleaned out. Freaked me out at first but the engine was and is still acting healthy so I rolled with it.
So maybe what you found was crud left over from the past that has been sitting somewhere and hasn’t hurt anything.Rideandrepair Thanks this. -
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