28-01-2015, 06:08 PM
Depends if its the cooler or the headgasket lol...as said I cant think of a test to prove it so only thing is to change the cheapest one (cooler) and go from there. Someone else may have a better test though.
Definitely drain both oil and coolant and flush coolant system well before refilling it.
Definitely drain both oil and coolant and flush coolant system well before refilling it.