Originally Posted by unclejunk

ron if not your cooler let me know mayb ill shoot up your way and give you a hand i got a good amount of time workn on the 7.3l use to work in a garage for a landscape company tha had 72 trucks all 7.3l ive seen this problem before and it wasent good i hope its just the cooler i dont want to say what the other cause could be a few really bad things