[COLVERT]

Originally Posted by Mike Noc

Unfortunately I can't see it being due to a leaking oil cooler Jon as, due to the pressure differential between the oil and coolant inside the oil cooler, you'd expect to see oil in the coolant, not coolant in the oil if the interface failed.

However----------------The pressure differential could vary according to the engine speed.---


When the engine is switched off the oil pressure vanishes but the coolant pressure drop is much slower.---