Concern with my 6.4 Ford diesel.
On my way home from south Texas, currently in Ruidoso NM. While in Texas, I noticed my 6.4 diesel has started to puke coolant from the fill resivoir. I'm towing a 16k 5th wheel. I thought maybe the ra...
Forum Discussion
Couple simple things to check if u don't already have it in the shop.
Is the oil milky? If yes then coolant is getting into the oil passages somehow. Likely head gasket.
Is there black residue in the coolant overflow tank? If yes then it's exhaust pressurizing the coolant system. Could be just the egr cooler(s) or still possible small head gasket leak only getting into coolant jackets and not cylinder or oil passages.
Is the oil milky? If yes then coolant is getting into the oil passages somehow. Likely head gasket.
Is there black residue in the coolant overflow tank? If yes then it's exhaust pressurizing the coolant system. Could be just the egr cooler(s) or still possible small head gasket leak only getting into coolant jackets and not cylinder or oil passages.
