How do you fix a pulley wheel on a 1999 Saturn?

To fix a pulley wheel on a 1999 Saturn, first, ensure the engine is off and cool. Remove the serpentine belt by loosening the tensioner, then detach the pulley by unscrewing the bolts holding it in place. Inspect the new pulley for any damage, then install it by reversing the removal process, ensuring it's securely fastened. Finally, reinstall the serpentine belt and check the alignment before starting the engine.