Can a 7.3 oil cooler be replaced?
Can a 7.3 oil cooler be replaced? I'm wondering, are the 7.3 oil coolers reliable enough to just replace the orings on them? Or should I replace the cooler while its out? Truck has 217,000 miles on it. Where does the oil leak in a 7.3 Powerstroke come from? A 7.3 powerstroke oil cooler leak usually originates from the oil cooler o-rings or an oil cooler gasket. Find your oil filter and trace it to the oil cooler assembly. Check for leaks around the ends where the oil cooler attaches to the engine or at the o-rings in the center...