How do you change an alternator on a 2001 Pontiac aztek?

To change the alternator on a 2001 Pontiac Aztek, first disconnect the negative battery cable to ensure safety. Remove any components obstructing access, such as the engine cover or air intake. Then, disconnect the electrical connections to the alternator, unbolt the mounting brackets, and remove the serpentine belt. Finally, install the new alternator by reversing the steps, ensuring all connections are secure before reconnecting the battery.