3 days after buying our new JLUR, my wife was taking kids to school. 44° outside. Fan went into ludicrous mode. Towed 65 miles to dealer. Temp maxed on her and she pulled over immediately. Shop said it was a bad thermostat. It never boiled over with my wife, but they got it to in testing. Smells like coolant after we got it back. How much damage was done to the engine? I was going to mod it the thing, but I have no confidence now.