How do you change alternator on 1998 Chevy Cavalier z24?

To change the alternator on a 1998 Chevy Cavalier Z24, first disconnect the negative battery cable. Remove the serpentine belt by loosening the tensioner, then unbolt the alternator from its mounting bracket. Disconnect the electrical connections from the alternator, install the new alternator, reconnect the wiring, and replace the serpentine belt before finally reattaching the battery cable. Ensure all bolts and connections are secure before starting the engine.