Brake Grinding Noise?

Pete@FTR · Dec 22, 2012

Hi guys,
Last week I spun out in the rain and snapped my rear right axle and brake rotor, messed up two wheels, and ended up halfway on a center curb. Anyways, I put in a new axle, and changed the rear pads and rotors on both sides. While I was waiting for my new wheels to come, I decided to paint my calipers in the mean time. The rear brakes I took off the part that holds the pads (not sure what its called), painted them separately and then masked off and painted the piston assembly, while still connected. The front I just masked off the rubber parts and the rotors. Everything seemed to go well.
Finally got the car on the road today and it works great except that when I stop at a low speed (like under like 25mph) i hear (and feel in the pedal) a grinding that sounds like metal or something springing or sounds like gears grinding. I can't tell specifically, but I think its coming from the front (the part I didnt take apart) or under the pedal. Any ideas? Thanks

tl;dr: Stopping under 25mph grinding noise and feel in pedal.

John Nich · Dec 22, 2012

Hmm.... Perfect time for a cobra upgrade? =)

There's not much to go wrong up front really.... Did you make sure to grease the sliders? and re install the anti rattle clips? maybe some paint could have gotten on there and caused the pin to drag?

I had a problem like that with the right rear caliper of my car, the first time i would move the car from a parking spot i would hear a GROOOOAAAANNNn, in the rear, and then a steady "brushing/squeaking" at low speeds. checked out the slider, cleaned it up regreased and never had the problem again.

and now, I'm going to shamelessly whore my crap out... If you're looking for good working OEM front calipers, rotors and hoses.... i've got my stock set left over from my upgrade.

Pete@FTR · Dec 22, 2012

John Nich said:
Hmm.... Perfect time for a cobra upgrade? =)

There's not much to go wrong up front really.... Did you make sure to grease the sliders? and re install the anti rattle clips? maybe some paint could have gotten on there and caused the pin to drag?

I had a problem like that with the right rear caliper of my car, the first time i would move the car from a parking spot i would hear a GROOOOAAAANNNn, in the rear, and then a steady "brushing/squeaking" at low speeds. checked out the slider, cleaned it up regreased and never had the problem again.

and now, I'm going to shamelessly whore my crap out... If you're looking for good working OEM front calipers, rotors and hoses.... i've got my stock set left over from my upgrade.

Yeah it doesn't sound like I have what you had, mine is only when the brake pedal is pressed, not when accelerating or driving along.

From this thread http://answers.yahoo.com/question/index?qid=20100622023052AAgW1re it sounds like it might be my ABS sensor, which was slightly damaged when the axle snapped. Also, i'm thinking it could be something hitting the dust shield, it got bent but I bent it back, so i'll have to check it again.

Ill keep you posted for future people reading this.

John Nich · Dec 22, 2012

Poxenham said:
Yeah it doesn't sound like I have what you had, mine is only when the brake pedal is pressed, not when accelerating or driving along.

From this thread http://answers.yahoo.com/question/index?qid=20100622023052AAgW1re it sounds like it might be my ABS sensor, which was slightly damaged when the axle snapped. Also, i'm thinking it could be something hitting the dust shield, it got bent but I bent it back, so i'll have to check it again.

Ill keep you posted for future people reading this.

Ahh, ABS!, I keep forgetting that other people's cars even have that feature. Mine lacks it, ease of maintenance!