To add to the speculation, I had my 2018 in for service the other day and asked about the FSM affecting the 2.0 EB in a certain year range regarding loss of coolant. Service manager told me it was a warped head and gasket issue. IS HE CORRECT??? My money says he is guessing. Based on my experience with Ford on my 2013 Escape 1.6, only Ford engineering knows what the deal is and they are not saying.All good questions. The only clue we have right now is the PCM update for 1.5’s that runs the coolant pump after engine shut-off. My guess is the PCM reads what the temp is and this dictates if and how long the coolant is circulated. Maybe a heat spike after shut down is affecting the head gasket. My question is, why is Ford replacing with both long blocks and short blocks. Why not just the head gasket? Lots of questions for sure.