Use a 2 or 3 lb sledge hammer. With the wheel off, hit the drum about three inches from its outside; rotating around the drum with each hit. You should see the drum slightly separate from the axle...
Remove wheels Re-install 2 lug nuts to hold rotor in place Remove caliper mounting bolts Slide caliper off rotor Use a "C" clamp to fully retract piston into caliper body Replace inner and outer pads...
Most new cars dont come with transmission dipstick, for the newer models you have to fill throught the fill plug. It may seem hard but its not if you have a long tube and funnel.