heres a link to get to it. and what it looks like. looks like a 50 dollar part. 2002 Pontiac Grand Prix Problem Bad Low Coolant Sensor Engine Cooling 6 Cyl


and doing your own brake is about the easiest thing ever. with new pads and rotors, about a 100 bucks.

heres a vid, after the wheels off its a 4 bolt job. you dont need to take off the brake line. that stays on. you will need a brake tool to close the piston on your year car i think, it needs to twist back into the caliper. this guy changed the calipers as well, not needed in your case.