P PTguy : Mazda CX-9 Grand Touring 2016 Oct 9, 2020 #21 If the brake pedal is shaking when you are not pressing on it, it is not a brake problem. Something under the hood is shaking. If the brake pedal is shaking when you press on it, that is brake judder. See my #10 post above.
If the brake pedal is shaking when you are not pressing on it, it is not a brake problem. Something under the hood is shaking. If the brake pedal is shaking when you press on it, that is brake judder. See my #10 post above.