i can hear the grinding and i can feel it through the pedal, very bad. the pedal pulses slowly, maybe a 1/2 inch up and down. only about once a second, not fast like i think they are supposed to work. my rotors and pads are good. no warning light on. this happens every time they kick in. it makes it even harder for me to stop. maybe dirty sensor?????
2007-04-05 08:26:12 · 3 answers · asked by Anonymous in Cars & Transportation ➔ Maintenance & Repairs
That's not grinding. You're feeling the pulses from the abs pump. It actually pumps the brakes several times a second and gives you sort of a grinding sensation through the pedal. It's normal.
2007-04-05 09:28:58 · answer #1 · answered by Nomadd 7 · 0⤊ 0⤋
Several things; If you are hearing a grinding it is probable not the anti-lock, but your pads. If you are feeling a slow pulsation, it is probable happening at slow speeds, and everytime you brake. This is caused by a "thickness variation" on you rotors (usually front). Your pads may be thick, and your rotors may not be scared, but around the circumference of your rotors is a difference in thickness. Measure your rotors with a micrometer in four different spots @. If there is a difference of .002 to .003 at any spot of a rotor that will cause the pedal pulsation. If there is enough material left, your rotors could be machined down. Most of the time you will not have enough metal left to cut and will need to replace rotors. The grinding sound may be coming from rust ridge on rotors, or poss build up form your pads.
2007-04-05 08:56:21 · answer #2 · answered by joe2kool 1 · 0⤊ 0⤋
Grinding from ANY brake system is sign of wear,sever wear. You prob even destroyed your rotors by now. Get it checked ASAP
2007-04-05 08:42:06 · answer #3 · answered by pappy 5 · 0⤊ 0⤋