Remove the tire and wheel from your 1993 Chevy Lumina. Remove the brake assembly spring and the brake caliper. The brake assembly will come off. Tap on the rotor with a hammer or mallet. The rotor will slide off. Reverse the process to change the new rotor and brakes.
Remove the belt from your 1997 Chevy Lumina alternator. Remove the wiring harness from the back of the alternator. Remove the alternator retaining bolts. Reverse the process to install the new alternator.