My overflow is has a Crack or something that's wrong with it so I was wanting to know how/ what I need to do to replace it

Thank you
2000 camaro v6

 

Remove battery. Disconnect hoses going to radiator. Should pull right out, I honestly don't remember any bolts holding it down, but it's been a while. If it's a hole in the tank, just use some plastic epoxy. If it's the steel line going into it, replace whole tank.