I'm not sure how easy it is to get to the tub but if you suspect it came from there grab a flashlight and shine it up the tub.....if it was an overflow of sorts you should see something left over in there.
I assume you crawled under the truck and check trans seals. clutch cover etc.....
You sure it wasn't from the air dryer? Watery oil discharge would make sense......
Blow by tube mystery liquid
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by God prefers Diesels, Jan 4, 2021.
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If it has a filter for it, change it. Filter should collect and drain back to the motor. Get's saturated enough and it will drain out.
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You sure you didn't park over someone else's puddle?
If it came out the truck something should be wet.
If you cant find anything take it for a spin then re-inspect.Oxbow, God prefers Diesels, D.Tibbitt and 2 others Thank this. -
Seriously, as pushbroom said, maybe you parked on a previous leak. Hate to be reading next weekend...you 'n Hunny doing an inframe.Last edited: Jan 5, 2021
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What is it Detroit or Cummins?
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Your not parked at a truck stop are you?
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This is definitely a mystery. We have to figure this out. Hmmmm. Looks like new oil, smells and tastes like oil, yet sweet, but not like antifreeze sweet. Maybe sweet light crude. Where did it come from? What is it? Maybe it’s coolant, from Waterpump weep hole, or oil cooler o rings at the block, turned brown from oil residue on the engine. Hard to believe it came from the blow by tube. Maybe it is condensation like someone mentioned. Crazy weather in Texas these days causing it. Maybe got built up in the valve cover screen, along with the oil, and when ran, it somewhat steam cleaned the whole blow by system. We may never know.
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I have tasted many motor vehicle liquids in my time but I would not try this with anything on the pee lot.
We need an update! Where are you, under the truck? It's Miller time!Rideandrepair, God prefers Diesels and D.Tibbitt Thank this.
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