oh im well awhare of that, i d rather not disturb anything on these engines if i dont have to and unless its dripping, i dont even look, this guy came back a couple weeks later bell housing dry sent him on his way, i did replace a rear main on a 6.0 the other day mostly becuase it was diaganosed by another tech already but it was barely weaping, i personally would not have called it, the majority of leaks i have seen is cac tubes