Mechanic Advice

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New rotors and semi metallic pads. Rubbing/vibratong noise when coming to complete stop and when lifting off pedal from complete stop. (self.mechanicadvice)

submitted 4 months ago by venusaur to c/mechanicadvice

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Just replaced the rotors and new pads. The pads are semi metallic. I’ve noticed a brief rubbing sound when coming to a complete stop and when lifting my foot off the brake pedal from a stop. Is this normal for metallic pads?

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[–] [email protected] 3 points 4 months ago (1 children)

Have you driven enough to bed them in?

How were the calipers when you pushed them back to install the new pads?

Does it pull one way or the other when braking?

Did you remember to grease where the pads move in the caliper?

[–] venusaur 1 points 4 months ago* (last edited 4 months ago) (1 children)

Yeah def worn them in enough. Hundreds of miles. Even did the 30/50 braking in the beginning.

Calipers are fine. One is new. I pushed them in to fit the new pads over the rotors and they were smooth.

Doesn’t pull when braking.

Yup, greased all the shims and pads where they make contact but I re-used the old shims. You think that would cause it? Never had the problem with the old pads.

What ways are metallic pads noisier than ceramic or organic?

[–] [email protected] 2 points 4 months ago (1 children)

Usually the noisier is just the squeaking when you brake. Reusing the shims might cause the rubbing sound, but it's hard to say for sure. The rubbing sound is most likely vibration in the brake pad as you come to a complete stop and the pads kicking off of the rotor as you start moving again.

What brand did you get?

It could be normal for those pads to make that noise. If it's stopping good, the pedal doesn't feel spongy, and the wear on the rotor and pads look uniform I think you'll be okay. As long as it doesn't make a rubbing sound while you're moving! I'd keep an eye on it just in case. Worst case you spend too much time looking at perfectly good brakes!

[–] venusaur 1 points 4 months ago

Thanks. Yeah all working well. I think it’s the pads. If I barely come off the brakes from a stop I can get it to happen, but then it goes away.

They’re Centric pads and rotors.