so i have to replace the timing components in my cavalier and found out that the bolt that holds the pully to the crank on is stripped, not sure how it happened but i need to fix it

so can i just re thread the crank and put a longer/slightly larger bolt in and be ok, if so i have no idea what the bolt size threading or anything like that that is

any help would defiantly help im lost at this point.

thanks!