Bad caliber or brake line
Most common reason: rust and dirt.
A warped rotor causing a pulsating brake pedal is probably number one on the list.In my neck of the woods, rust is another issue. Even with daily usage the rust builds up on the braking surface of the rotor again causing a pulsation in the brake pedal.
Most common cause is imperfection in rotor or rotor's. Rust or hot spots.
I have an 03 Camry as well... I'll suppose you are starting with the car supported and the front wheels off... Remove the brake caliper by removing the 2 bolts behind the rotor securing the caliper to the caliper bracket. Swing the caliper up and off of the rotor and secure out of the way...do NOT let the caliper hang by the brake hose. The brake rotor should just slip straight out from the hub...if not use a hammer to tap around the outer edge to release the rust between the hub and the rotor...
remove the wheel and take off the two bolt the bolt the brake caliper and the rotor should just slide off. Remember to release the e-brake before trying to slide it off, if it is hung up it's because of the e-brake shoes that are behind the rotor or is just surface rust and with a little penetrating lube and a rubber malet it will come free.
No, the rotor will come off with out the hub. After the brake caliper is off the only thing holding the rotor is rust. Hit between the studs with a hammer and it will come off.
1st remove the tire, than remove the brake caliper there are two bolts that are in the back side of the caliper slide the caliper unit off the rotor. on the front of the rotor there is a Phillips set screw next to one of the lug nuts remove it than tap the rotor. You may need to spray some lubricant to loosen any rust or build up. Than replace.
try tapping the rotor with a hammer to break the rust holding it to the hub. also need to remove the flat retaining nut which will be found on one of the lug bolts. If it still does not release you need to release the e-brake cable, the pads may have worn into the inner brake lining
Sometime the brake shoes will rust or freeze to the drum. TAke it to a garage.
Rust on the edge of a disk brake rotor is for the most part moot. The car sat in the dealer's lot for some time, and every day or two, a lot boy came by and washed it, and during this little exercise splashed or shot water through the wheels and got the rotors wet. On the EDGE of the rotor, there is no brake contact. That is why you can still see the rust. Even if there were rust on the surface of the rotors, after the first several brake applications the rust would be literally polished off. Consider driving in very rainy conditions, when the streets are very wet. When the car is parked and the rotors are still wet from the wet streets, there will be rust develop on all the surfaces of the rotors. The brake friction material on the pads has a scouring effect on the face of the rotors, and there is no contact of any kind on the edge of the rotors. OCCASIONALLY some of this rust MAY flake off and become lodged between the rotor and the brake pad causing a "Squeel" upon application, but it is not a safety issue. ASE Certified Mechanic and Smog Diagnostician and Repair mechanic.
heat! heat! heat! causes a rotor to warp 95% of the time. Little to now rust buildup in the vent area of the rotor, need a good pasage for air movement. rusty and flaking rust are no good! New calipers, brake flush, new rotors, clean flat surface free of rust buildup on the spindle area. All very important.
No, you can remove and/or replace the front rotors on your Jeep Liberty without having to repack the wheel bearings. To remove the rotor, remove the brake caliper, and then pull the rotor straight off the wheel studs. If the rotor doesn't budge, then use an air hammer to tap the front face of the rotor adjacent to the wheel studs (the flat area of the rotor directly between the wheel studs). This will knock the rust loose and let the rotor slip off the studs. DO NOT use the air hammer on the braking [shiny] surface of the rotor!