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Message: [QUOTE="Zeb, post: 1528952, member: 30304"] Yes, it is very possible to have plugged the oil cooler in that amount of time, especially if the cooling system wasn’t thoroughly cleaned/flushed. I’ve seen an oil cooler plug in less than 4,000 miles on a dirty system. When I did the heads etc on my Excursion I ended up with a lot of casting sand in the cooling system. 20-25* deltas running empty, and nearly 40* towing. I back flushed the heater core, drained the block, and back flushed the oil cooler. That same oil cooler now runs a 2-5* delta running empty. You’re going to have to flush the system, and/or run a filter until you aren’t catching trash anymore before replacing the oil cooler, or the cycle will repeat itself. I would back recommend back flushing the cooler, getting the system clean, and see what you can get the delta down to before changing the cooler. [/QUOTE]

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