The dealer had to take the engine apart to an initial level of investigation, report to FCA, then take more of it apart and report to FCA again before FCA approved totally replacing the engine at their cost. It is my understanding that while I was technically over the 5-year warranty period...
My 2015 1500 Eco Diesel died from a similar fate in 2020. Dealer said it was a timing gear laminate problem. I have found stats online indicating that the problem is the pressed on timing gear is not held in place by a key-seat and has a 2-30% chance of slipping between 60K to 75K. Mine went...