The 2015 6.7 powerstroke secondary cooling system diagram
If you've ever popped the hood of a Super Duty and felt a bit overwhelmed, looking at a 2015 6.7 powerstroke secondary cooling system diagram for the first time usually doesn't help the confusion. It looks like a literal bowl of spaghetti made of rubber hoses and aluminum tubes. But honestly, once you break it down and understand why Ford decided to run two separate cooling loops, it all starts to make a lot more sense. It isn't just over-engineering for the sake of it; it's about keeping that massive turbo and the intake air at temperatures that won't melt things down when you're pulling a heavy trailer up a grade. ...