How do you remove and replace distributor on 5.7 vortec 1997?

To remove and replace the distributor on a 1997 5.7 Vortec engine, first disconnect the battery and remove the ignition coil and any wiring connected to the distributor. Mark the position of the distributor housing and rotor for proper alignment during reinstallation. Remove the distributor hold-down bolt and carefully lift the distributor out, noting the orientation of the gear. Install the new distributor by aligning it with the marked position, securing it with the hold-down bolt, and reconnecting all wiring and the ignition coil.