Put the vehicle on jack stands, remove the rear wheels, chock the front tires. Then remove the calipers by loosening the two bolts on the inside of the calipers, and slide them off. Do not let them hang by the brake lines, Zip ties are a good way to hang them from the control arms. Then pry off the OEM retaining washers from the wheel studs (if any). Next get your BFH and give the rotors a good whack top and bottom. They should come right off.
Remove rear calipers and pull. That simple.
Remove the cotter pin/nut in center & they pull straight off.
there are factory rivets which have to be drilled out
Remove the rear wheels, then the calipers and simply pull the rotors off. If the parking brakd is on the caliper you need a special tool ot retract the caliper.
Rotors on the front drums on the rear.
start by taking the tires off
Remove the wheel and the four bolts that hold it. Very easy
To remove the rear rotors on a 2002 Oldsmobile, a wheel puller will be necessary. A wheel puller has a foot that attaches to the hub, with feet that attach to the rotor. The more the wheel puller is turned, the more it pushes on the hub and loosens the rotor.
It is quite common for rotors to be stuck in place. Tap on the back of the rotor with a hammer, until the rotor is loose.
Front or rear, remove wheel, remove caliper, remove caliper bracket, remove rotor.
If the truck has disc brakes on the rear then the park brake shoes are located inside the rear rotors. You have to remove the brake calipers, pads and rotors to access them
remove the 2 18mm bolts off the caliper bracket, remove caliper, slide off rotor