i have oil in water header tank of my combo van
so drained and flushed coolant from radiotar topped oil up and filled rad with water i drove 18 miles had no oil in van and water in header tank was black, oil basically whats wrong
theres no indication of water getting to engine dip stick is clear no brown ?

stan, January 2014

I would first have a look at your oil cooler which on these is part of the filter housing, they are expensive so it may be worth trying to source one from a scrappy/E Bay and the only other place I can think of where oil contacts water is your head gasket.

cdc, January 2014