How do you pull the rear drums on 85 Chevy van 30?

To pull the rear drums on an '85 Chevy Van 30, start by safely lifting and securing the vehicle on jack stands. Remove the wheel lug nuts and take off the wheels. Look for the retaining screws or clips on the drum; if present, remove them. Finally, use a drum puller if the drums are stuck, or tap them gently with a hammer to loosen them before pulling them off the axle.