1999 Suzuki Grand Vitara changing brake rotors

Some vehicle have a 2 spring clips on the Studs. If not the most likely have rusted on so you will need to spray some lubricant on the rotor around the studs and center whole let set for 15 - 20 minutes o soak in then take hammer and hit inbetween the studs may take a few good hits then tap down on the top of rotor. It should break loose.