How do you tighten drum brakes on 2001 Pontiac Montana?

To tighten the drum brakes on a 2001 Pontiac Montana, first, remove the rear wheel and tire to access the brake drum. Locate the adjuster screw through the access hole in the drum or remove the drum if necessary. Use a brake spoon or a flathead screwdriver to turn the adjuster screw clockwise to tighten the brake shoes until they lightly contact the drum. Finally, reassemble the components, ensuring everything is properly secured before testing the brakes.