DSM overheating problems

[DSMDragn]

i haven't seen and busted hoses doesn't look like a blown head gasket i have no water in the tailpipe as i did originally when the head gasket was replaced as for the mixed oil and coolant i don't see it when i check the oil and i dont' see it in the radiator as for the knocking rod is that an easy fix or something i need a trained mechanic to look at am i looking at a big money pit