How do you replace an Alternator for a 2003 Pontiac Vibe?

To replace the alternator in a 2003 Pontiac Vibe, first disconnect the negative battery cable to ensure safety. Remove any components obstructing access to the alternator, such as the air intake duct or engine cover. Next, detach the electrical connections and loosen the serpentine belt using a belt tensioner tool, then remove the alternator bolts. Install the new alternator by reversing the removal steps, ensuring all connections are secure before reconnecting the battery.