Stuart_B
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| posted on 6/9/09 at 06:42 PM |
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brake squeal
hi all, i have fitted my wilwood powerlight brakes, and under light braking they squeal real badly it is realy anoying, why is this?
can i stop it?
thanks
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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blakep82
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| posted on 6/9/09 at 06:55 PM |
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did you put copper grease on the back of the pads?
________________________
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britishtrident
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| posted on 6/9/09 at 07:17 PM |
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As above but also scratch up the rubbing surfaces of the disc and pads with 80 grade prouction paper.
Root cause of your problem is the brake pads are not reaching anything like working temperature, so any rust and other contamination embeds itself in
the pad and doesn't get ablated away.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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jollygreengiant
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| posted on 6/9/09 at 10:39 PM |
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There are two usual causes for squeal.
First the pad is vibrating within the carrier. Anti squeal shims/springs and copper slip usually take care of this one.
Secondly, after time, modern pad material plasticises more than asbestos type materials EVER did. This results in thin tails of brake material
(usually) on the trailing edges of all the pads. The cure for this is to radius the edge(s) of the friction material on all your pads. This usually
cures the problem.
Hope this helps.
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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Stuart_B
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| posted on 7/9/09 at 07:19 PM |
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hi all, i did put copper slip on the bake of all the pads.
thanks for all teh info about it guys
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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DannyB
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| posted on 25/9/09 at 03:16 PM |
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I have exactly the same problem... I was told Wilwoods squeal before I bought them but this is ridiculous....
Have you solved it at all Stuart?
I put silicon grease on the back of my pads which should do the same as the copper grease and will look at the other ideas tomorrow. The grease
hasn't helped though.
ta,
Dan.
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Stuart_B
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| posted on 25/9/09 at 05:31 PM |
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no, i have not stopped it, and i can be realy anouying when you are trying to creap home.
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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MautoK
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| posted on 25/9/09 at 07:43 PM |
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This page gives an explanation for squeal, basically a matter of negative
damping and mode locking.
Simple, really! 
He's whittling on a piece of wood. I got a feeling that when he stops whittling, something's gonna happen. (OUATITW/Cheyenne)
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flak monkey
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| posted on 28/9/09 at 05:25 PM |
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Mine are fine 
Assembled with a very light smear of copper grease on the back other than that they are dry.
David
Sera
http://www.motosera.com
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