Originally Posted by 6.0 badd ***

my cousin came over with his v/ho and it dont suck air like my truck,and i never had noise before that loud.I should'nt have to take the oil cap off for the truck to start, i think it releases pressure and let's it start. thank's for the advice hopefully when i wake up tomorrow it will fix it's self

Originally Posted by superchargedchevy02

This problem isn't just going to fix itself. You asked for help and they are trying to give it to you. Take their advice change the pulley and go to the dealer. Or don't and possibly blow your engine. Looks like you got 2 choices.