I have a 2007 4500 Top Kick I was loosing coolant from my resevor tank no leakage on any hoses had heads taken off new caskets and re studded and this did not fix my leak issue about half gallon every 1200 miles could it be bad machine work on heads or a cracked block 270000 miles and this is my work truck also no coolant in oil but I can smell coolant from exhaust please help Hot Shot driver in Florida
