Hey guys, looking for somre info. My truck has a serious valvetrain clatter, and it quiets down after warming up. However when cold it rattles like a damn diesel. I also hear that purge valve after it's warm at idle. This seems strange so before I take it to the dealer any thoughts? It is in the valve train for sure and is way to loud for a 4 cammer. The tap tap taper has 750 easy miles so far. I'm freakin out
