puking

i have two questions, help please!! 1. I have a 2007 6.0, it is puking coolant only when I pull a trailer about 2500#. When it does happen which isn't much, it happens after about 50 to 70 miles of pulling. It is not running hot be the dummy gauge. It is puking very little, maybe 1 or 2 oz when...

So i have to tow a civic on a front wheel trailer tomorrow and I am having mixed feelings after lifting my hood to check my oil and finding that my coolant had puked a little bit on the top of the tank and some on the hood. the coolant was about a half inch from the MIN sticker. I can't tell you...

Im fairly familiar with what puking coolant means... head gaskets. I thought thats what it was. I took it to a Ford Dealer and an independent shop and they each ran 3 separate head gasket tests and the truck passed all of them perfectly. No blown head gaskets. Having said that, I have no clue...

Ok, I've searched not only this forum but several others before posting and need your opinions before I start the parts gathering and subsequent tear down of my truck. 2004 ford f250 6.0L, 167k miles and counting. I've owned the truck the last 3 years with very little trouble. New batteries...