Yah I'm worried about my truck too, I'm sitting at 360,108k. I've never had a problem with it, the most I've done to it was brakes all the way around, battery and drivers lower ball joint. Everything else is original, believe it or not my winter mechanic was surprised. But I am starting to get worried because i have an orangey leak coming from the right of my oil filter. The leak is very mild but still worried it might be this death cool issue everyone is talking about. It might also be coming from the thermostat idk. Anyone else have this issue or any inputs.