Introducing Black Coolant The Game-Changer for Efficient Cooling

Well, it pretty much has to be the usual suspects...gauges reading incorrectly (check with a manual gauge or infrared heat gun) intercoolers/ ... Cross contamination from the combustion chambers. Mix carbon etc. with antifreeze and you get oily gel. Normal sediments from the cooling system ... ^Yep. Do a few drain/fill cycles, probably start with distilled water (90 cents a gallon at the grocery store) until you get it clear then fill ... Unfortunately if the coolant is black it seems to be getting oil in the coolant through the head gasket. This is even more likely since it is ... 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 black sludge in my coolant. It does not appear to be oil. It was thick on the cap, almost like a paste, and dipping a rag into the radiator, it came ... Most times you can find a 'flushing kit', I think Prestone makes one. It comes with it's own chemicals which you shouldn't have to worry about hurting the ... these engines are known to have excess casting sand in the block left over from when they cast the blocks at the manufacturer. if the coolant ... Only thing that comes to mind is a blown head gasket, though usually you lose coolant. One other thing might be a worn out, ready to replace ... Designed to install over your F-150's factory coolant overflow tank, this Cover will add rugged styling to your engine bay.