What could be causing this?

[wajackson79]

I have an 06 f350 with 129k on the ODO. Bought it 3 days ago. When looking it over the truck was very clean, no drips, no blow by, nothing. Looking under it all was as you would expect for a 13 yr old truck.

I drove the truck 1600 miles home and today climbed under to change oil and fuel filters. The picture below is looking up at cylinder 8 (drivers firewall). I don’t see any wet spots anywhere else on the block.

During my drive home I checked the oil level a few times and it didn’t seem to move, and it never puked any antifreeze. No puddles aside from AC condenser. What should I check first?

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[6.0 Tech]

Check the cac boot at the turbo, as well as in the valley of the engine for leaks.

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[wajackson79]

I’m not familiar with a cac boot. Sorry, first turbo diesel.


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[6.0 Tech]

Blue boot connected to the outle of the turbo. Cac stands for charge air cooler. You'll either have 2 and a black plastic pipe, or 4 if you have the metal pipe on the drivers side. The one on the passenger side right at the turbo is extremely common to leak. They'll get a little cut in them, or just start to swap thru. Id say probably 70% of the oil leaks I fix, are that cac boot.

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[Diesel625]

I had leaks on the turbo return looking like that before. Glowplug orings too.