How do you replace the alternator on a 2002 Ford Escape 3.0?

To replace the alternator on a 2002 Ford Escape 3.0, start by disconnecting the negative battery cable to ensure safety. Remove the serpentine belt by loosening the tensioner, then disconnect the electrical connectors and mounting bolts from the alternator. Lift the old alternator out and install the new one by reversing the steps—secure the bolts, reconnect the electrical connections, and reattach the serpentine belt. Finally, reconnect the battery cable and start the engine to check for proper operation.