Weird white liquid stains in engine bay and under truck

I had the same thing happen to me. Got out of my truck one afternoon and while walking by the front of it smelled antifreeze and instantly knew what was up. Popped the hood and there were white spots everywhere and about a three inch crack on top of the radiator near the hose attachment. Ran the system depressurized until I received my replacement radiator from RockAuto. Good luck.

 

Mine didn't. Pinhole leak sprayed into the fan. It blew shit all over under the hood.

 

This looks exactly like what’s left in my engine bay after replacing my blown radiator and cleaning up “most of” the splatter. I took the opportunity to clean my engine off really well but I didn’t spend much time on stuff like the battery cover

 

I can't believe there aren't more jokes on this thread

 

I'd say, his truck has definitely "been around the block"

My vote is coolant.