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Buell Forum » Old School Buell » Archive through October 28, 2010 » Help! Front brake buzz « Previous Next »

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Revz
Posted on Friday, October 08, 2010 - 12:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Front Brakes have started to buzz, sounds like high pitched zzzzzzzzzzzz. Brake pads are fairly new ~1000m, I took them off, they looked good, and put them back on, sound did not change. Took front fender off, sound did not change, rode with engine off, brakes applied, sound did not change. Is it the rotor?

Thanks
REVz
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Kalali
Posted on Friday, October 08, 2010 - 12:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

So it makes the buzz when you apply the brake or regardless?
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Ft_bstrd
Posted on Friday, October 08, 2010 - 01:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Stock brakes or after-market?

I had Lyndall's that "zzzzzzzzzzzzzzzzzzzzzzzzz". I loved them.

If these are sintered after-market brakes, they may just do this.
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Guell
Posted on Friday, October 08, 2010 - 07:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

my ferodo pads make the buzz noise.
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Revz
Posted on Saturday, October 09, 2010 - 09:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

These are aftermarket brakes. I guess the strange thing is that it took a few miles before they started the buzz. At first I thought it was a leaf stuck in the brakes.

So I guess I'll just ride and live with it..

Thanks for all the replies, this site is really great.

REVz
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Ibbypop
Posted on Saturday, October 09, 2010 - 10:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have a semi-related question: I have no buzzing, but have a small rub - seems to be confined to a particular spot) on the front rotor when the wheel is rotating. Not noticeable when riding, but when moving the bike around the garage. There have been a few instances where I have heard it when rolling to a stop, as well. This is a brand new, new style rotor on my X1. I know that a small amount of contact is considered normal, but I'm concerned about warping, and the rotor is only two months old. Should I be concerned?

Thanks
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Buellistic
Posted on Saturday, October 09, 2010 - 12:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Have you tried BREAKING the GAZE on the PADS and ROTOR ???
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Ibbypop
Posted on Saturday, October 09, 2010 - 02:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Beullistic - can you elaborate? I'm clueless on this one (breaking the gaze).
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Buellistic
Posted on Saturday, October 09, 2010 - 06:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ibbypop & BUELLers:

Remove the ROTOR and clean with brake cleaner ...

Lay it on the work bench ...

With a 2X2 block of wood with #80 grit sand paper attached to it and do the following ...

Make a swirl pattern around the rotor, turn it over and do the other side to brake the glaze on the rotor ...

Take the brake pans and rub on the concrete drive way to brake the glaze on the pans ...
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Ft_bstrd
Posted on Saturday, October 09, 2010 - 07:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I guess the strange thing is that it took a few miles before they started the buzz.

More than likely it took a few miles to grind the glaze off.

I liked the buzz because it was an auditory reference as to how much braking was being applied.
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Buellistic
Posted on Saturday, October 09, 2010 - 07:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

SORRY, but "i" forgot to add putting
NAPA Disc Brake QUITE PN 765-1444 between the pads and caliper pistons ...

This stuff stops brake pad rattle, "BUT" an added benefit is that when the pistons pull back into the calipers it also pulls the pads with them ...

Therefore it stops brake pad drag on the rotor ...
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Ft_bstrd
Posted on Saturday, October 09, 2010 - 09:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Great to know!

Thanks LaFayette.
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Ibbypop
Posted on Saturday, October 09, 2010 - 10:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

LaFayette - I'll give it a shot. You're an asset to this site and have been an extreme asset to me personally as a newbie Buell ownner - thanks (again)!
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