Exceptional Cooling with Black Coolant Enhance Your System's Performance

Looks like this May have been a mess of previous stop leak and dirt from the past as Jeff said. I think the foaming aspect May have been from ... If your coolant is dark, looks brown, or you see particles floating around, it's time to for a flush and fill. Save at your local NAPA AUTO ... Easy way to improve underhood aesthetics · Available in your choice of polished aluminum, wrinkle black, or wrinkle red finish · Made from ... so for the past 2 years black spots keep appearing on the coolant tank walls, the coolant itself is crystal clear there is no oily residue ... Black in the coolant is not a good sign . Would say as above,, oil from the engine,, or the auto box is mixing with your coolant.Some auto boxes ... “Black coolant” is corrosive. It has been observed in some engines that have failed, but most reports of black coolant are from engines in service. The black or whatever oily sticky stuff your mentioning...that is all the residue "collectively" from ALL your hoses. They get worn out from the inside after a ... X1 Eco is based on a proprietary blend of refined vegetable extracts that are fully biodegradable and have a very low order of oral toxicity. The coolant reservoir is empty. There is about 3oz. in it but it's black and there are some chunks inside. Should I replace the radiator, ... Designed to install over your F-150's factory coolant overflow tank, this Cover will add rugged styling to your engine bay.