CarbonSteel
Well-Known Member
In the end, the only "weak point" in the oil system is FCA's decision to use plastic and aluminum on the oil filter housing/oil cooler. Had they taken a nod from Daimler when they owned Jeep, they would have used all aluminum with a plastic cap like Mercedes does.Thanks for sharing that!
It's kind of what I suspected all along.
Otherwise, the system itself is solid and there are enough high efficiency filters that filter down to the 20 micron level @ 99% that it is easy to see why that example of a PUG lasting 600K+ miles is totally possible.
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