So I ordered my block heater today for my 18 Ck3510hse . How hard does the freeze plug come out and what is the best way. I did order it from my dealer so I hope it goes in good. I did buy a lower hose heater but it doesn't look like it would fit well. The hose is only about 6 " long and not much room between the exhaust pipe, heat shield and radiator hose.