HI,l have an 07 is220d 49000 miles, with the head gasket gone. The car is booked in for jan 31st in lexus cardiff for re-build. lexus cardiff have agreed to repair, free of charge. Coolant all over engine and topping up every 2days.l am going to complain to lexus uk and ask for an extended warrenty.
l have a rav T180 which has the same engine. no problems at moment but had new water pump last week. The problems started 4 months after changed pump on my lexus,
Paul