How do you change rear brakes 1999 GMC Savana?

To change the rear brakes on a 1999 GMC Savana, start by safely lifting the vehicle and removing the rear wheels. Next, take off the brake caliper by unbolting it and sliding it off the rotor; support it with a bungee cord to avoid stress on the brake line. Remove the old brake pads from the caliper bracket, replace them with new ones, and compress the caliper piston using a brake tool. Reassemble the caliper onto the rotor, reattach the wheels, and lower the vehicle before testing the brakes.