Why does my 6.0L engine need an oil cooler?
Why does my 6.0L engine need an oil cooler? Look carefully at the coolant pathways and you will see that there is a residue left behind that plugs the oil cooler over time. As these pathways become plugged, it limits the efficacy of the OEM oil cooler. This means hotter, thinner oil running through your 6.0L engine. Can a Ford engine oil cooler be replaced? Replacing the Ford engine oil cooler with another Ford engine oil cooler is the usual fix, but all that does is put off the problem for another 50,000 miles. How long does it take to...