Unleash the Liquid Dominion Black Coolant Redefines Cooling

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, ... 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 ... Black could be aluminum corrosion since most of the system is made of that. Might be it never got properly rinsed out, I'd be doing it again.... Easy way to improve underhood aesthetics · Available in your choice of polished aluminum, wrinkle black, or wrinkle red finish · Made from ... If the coolant is black it could be engine oil in the cooling system...:doh: They still use the stacked plate heat exchanger on the 6.7L. So the ... Black cooling water usually means blown head gasket. Get a mechanic to put in UV Blacklight fluorescing chemical, run the engine, then have the mechanic come ... Black colored coolant in Mack. Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread :: View next thread. I've got a black waxy residue that will not flush out. Another interesting characteristic is that the solidified residue liquifies when heated and floats to ... check the fluid or check the dip stick vice versa to see. If there is no oil/coolant mix in either the engine or the radiator, it's possible it ... The black/dark stuff in your coolant. As you can see, the oem purple coolant migrates towards a dirty pink color as it ages.