Originally Posted by brentmorl

the pins i have problems with or i should say had was the pins in the diff. but if the truck moves its not the diff but if you tried all check to make sure your fly wheel is not slipping on the collet thats probally what it is it may feel tight but pull the clutch bell off and make sure the nut is tight,tight,tight id it was lose id spend a dollar and buy a new collet as well....i would almost bet thats whats going on