How do you replace rear brake drums on 1999 GMC Sonoma?

To replace the rear brake drums on a 1999 GMC Sonoma, first, safely lift the vehicle and remove the rear wheels. Then, remove the brake drum by pulling it straight off; if it's stuck, tap it gently with a hammer to loosen it. Inspect the brake shoes and replace them if necessary, then install the new drum by sliding it onto the hub. Finally, reattach the wheels and lower the vehicle, making sure to test the brakes before driving.