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brake squeal... possible problems?

Old 07-22-2006, 12:54 PM
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brake squeal... possible problems?

hey guys, i just got done throwing some ebc hh pads on my hawk and i got this squealing during braking. the sound only happens during the last couple of seconds of the braking. what could be the possible causes? tia for the help.
-brian-
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Old 07-22-2006, 03:09 PM
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i have the same problem when i brake...only on the front though.
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Old 07-22-2006, 04:54 PM
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yup, it's just on the front and it's quite annoying. ah well, the added braking power is worth it. did you use any brake pad lube on the backs of the pads?
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Old 07-22-2006, 05:56 PM
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Originally Posted by apbrian112
yup, it's just on the front and it's quite annoying. ah well, the added braking power is worth it. did you use any brake pad lube on the backs of the pads?
Just a note.. It's not really "lube” Some (most) of the noise (sequel) you get from brakes is caused by high freq vibration.. The stuff you put on the back of the pads is there to help dampen the vibrations. Some of the products do that by a glue like stuff that adheres the pad to the caliper or piston. Some of the stuff is a heavy silicone type deal that never really hardens.
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Old 07-22-2006, 06:53 PM
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yeah, i know that the squeal is from high freq vibes (learned from my brakes phase at UTI), i just couldn't think of a better way of putting it. do you know where i can get some of the glue stuff. i don't think the heavy silicone stuff works as well.
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Old 07-22-2006, 07:26 PM
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I just put the same pads on. They only squel when I first start to apply them though. They are after all sintered copper pads so some squel is probably inherent as they all essentially metal on metal. I also have EBC prolight rotor, I don't know if this may compensate for something so I only get an initial chirp. Either way they stop quick and my comments are of limited value, but with EBC rotors and pads it might work better. I don't know I'm not an engineer for them. Awsome stopping power though.

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Old 07-22-2006, 08:11 PM
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I'd take steel wool to the rotors. That would help with the squeal.
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Old 07-22-2006, 08:40 PM
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steel wool...what kind? how course of a grit or whatever?
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Old 07-23-2006, 02:34 AM
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Fine sand paper will do the same thing, clean the rotors up. Racers do this all the time to put a bit of crosshatching back on them.

So a racer told me anyway!
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Old 07-23-2006, 03:51 PM
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Yeah, or medium or fine steel wool. Too fine and it won't do anything. Coarse might not be bad, but you should stick with between medium and fine, unless you want to make a few passes with different kinds.
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Old 07-24-2006, 10:33 PM
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well i had some of that metal fine grit sandpaper laying around...you know the black paper kind, so i decided to try it out. AMAZING, what a nice little tip. NO more squealing brakes!! thanks guys
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