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Suspension & Braking Forum by BimmerWorld
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Old 05-07-2013, 06:29 PM   #1
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Brake pad scratches brake disc

my rear right brake pad are worn and scratches the disc even i dont apply brakes and you can hear and feel it on steering wheel so i just replaced rear boths 1 week ago
but new rear right one still scratches disc
i will take the car again same mechanic who replaced.
is it about the retrainer or brake sensor or what ?
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Old 05-07-2013, 07:02 PM   #2
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Caliper needs to come off and brake pads cleaned, there is something stuck to them. (before the rotor sustains too much damage)
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Old 05-07-2013, 07:19 PM   #3
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Could be a stuck rock?
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Old 05-07-2013, 07:21 PM   #4
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Probably a stuck rock or something. It'll work its way out eventually. You can take off the pad and try to find it, but honestly I wouldn't worry about it. Occasionally I'll see gouges in my rotor, especially after driving through a big construction zone, but it'll just wear away after some time.
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Old 05-08-2013, 01:20 PM   #5
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i took the car the mechanic who replaced brake pads and he lifted and show that even not applying breaks left rear tire is stuck.
He told me that i need a new caliper (60 dollars) he wanted 2 hour total labourage 1 for putting new caliper and 1 for the bleeding and i said that u said me problem is worn brak pads but after renweing it problem continues so i will give just 60 for new caliper or 40 dollars more for labour.
but i am not sure that problem will be solved ....
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Old 05-08-2013, 01:25 PM   #6
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Yes, you have a stuck caliper, so replacing it will fix it. Stuck calipers are caused be deposits in the cylinder. Usually this can be avoided by regular brake fluid changes. So be sure he flushes and bleeds the other calipers to prevent it happening to those ones too.
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