Posted by ben scott on January 7, 2007, 4:46 pm
I have a 1992 750 ninja with dual hydraulic front disc brakes. I have
tried EBC pads in both the "organic" and the "HH" formulations and
both screech badly when cold. If I work the brakes to heat them up
the noise stops and it is less common in warm weather. I looked at the
pads and don't see any signs of odd wear and cant find anything that
might be dragging on the calipers that shouldn't be. I can't tell if
it is just one brake or both front brakes. The discs are in better
shape visually than the discs on most other bikes I have owned. This
is driving me nuts and is embarrassing besides.
Thank you for any help.
Posted by Mark Olson on January 7, 2007, 5:52 pm
ben scott wrote:
> I have a 1992 750 ninja with dual hydraulic front disc brakes. I have
> tried EBC pads in both the "organic" and the "HH" formulations and
> both screech badly when cold. If I work the brakes to heat them up
> the noise stops and it is less common in warm weather. I looked at the
> pads and don't see any signs of odd wear and cant find anything that
> might be dragging on the calipers that shouldn't be. I can't tell if
> it is just one brake or both front brakes. The discs are in better
> shape visually than the discs on most other bikes I have owned. This
> is driving me nuts and is embarrassing besides.
I'd try applying some of the goop sold in auto parts stores to combat
squealing brakes. Basically it's an RTV silicone that dampens the
resonance of the pads so they don't vibrate as much.
Put it on the BACK of the pads :)
Other folks have even used duct tape (but remove the tape where the
piston contacts the pad) to dampen resonances.
--
'01 SV650S '99 EX250-F13 '98 ZG1000-A13
OMF #7
Posted by Berg on January 8, 2007, 2:45 pm
Mark Olson wrote:
> ben scott wrote:
>> I have a 1992 750 ninja with dual hydraulic front disc brakes. I have
>> tried EBC pads in both the "organic" and the "HH" formulations and
>> both screech badly when cold. If I work the brakes to heat them up
>> the noise stops and it is less common in warm weather. I looked at the
>> pads and don't see any signs of odd wear and cant find anything that
>> might be dragging on the calipers that shouldn't be. I can't tell if
>> it is just one brake or both front brakes. The discs are in better
>> shape visually than the discs on most other bikes I have owned. This
>> is driving me nuts and is embarrassing besides.
>
> I'd try applying some of the goop sold in auto parts stores to combat
> squealing brakes. Basically it's an RTV silicone that dampens the
> resonance of the pads so they don't vibrate as much.
>
> Put it on the BACK of the pads :)
>
> Other folks have even used duct tape (but remove the tape where the
> piston contacts the pad) to dampen resonances.
>
The old fashion and most used product is copper grease, a much better
solution(albeit more expensive) is aluminium grease.
Clean the calliper where the pads ride for all non-belonging material.
Then smear a thin cote on all of the contact surfaces, including the
edges. Forget the latter, and it will squeal...
J.
Posted by Potage St. Germaine on January 8, 2007, 3:21 pm
Berg wrote:
> The old fashion and most used product is copper grease, a much better
> solution(albeit more expensive) is aluminium grease.
> Clean the calliper where the pads ride for all non-belonging material.
> Then smear a thin cote on all of the contact surfaces, including the
> edges. Forget the latter, and it will squeal...
Is this Nomen Nescio again?
I've heard about using copper grease on the *pins* that single-sided
calipers slide on, they have o-rings to seal grease in and British
riders use the copper grease because
they salt the roads and calipers corrode and get stuck.
But this poster makes it sound like he's putting grease on the backs
and edges of the brake pads.
Now, what is grease? It's a lubricating agent of some sort in a binder
that melts at some temperature. If the lubricating agent is powered
copper or aluminum in something that melts, what's to stop the melted
stuff from getting on the calipers and the working face of the brake
pads?
Posted by Berg on January 8, 2007, 3:57 pm
Potage St. Germaine wrote:
> Berg wrote:
>> The old fashion and most used product is copper grease, a much better
>> solution(albeit more expensive) is aluminium grease.
>> Clean the calliper where the pads ride for all non-belonging material.
>> Then smear a thin cote on all of the contact surfaces, including the
>> edges. Forget the latter, and it will squeal...
>
> Is this Nomen Nescio again?
>
> I've heard about using copper grease on the *pins* that single-sided
> calipers slide on, they have o-rings to seal grease in and British
> riders use the copper grease because
> they salt the roads and calipers corrode and get stuck.
>
> But this poster makes it sound like he's putting grease on the backs
> and edges of the brake pads.
>
> Now, what is grease? It's a lubricating agent of some sort in a binder
> that melts at some temperature. If the lubricating agent is powered
> copper or aluminum in something that melts, what's to stop the melted
> stuff from getting on the calipers and the working face of the brake
> pads?
>
Grease is a generic term, as in "Grease", containing soap and
lubricants, and wait for it..... Comes in different heat tolerance ranges.
And yes, I do apply it to the back of the pads, and the edges.
The only place it is not used, is in true racing applications, where
squeal is a non-issue.
J.
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> tried EBC pads in both the "organic" and the "HH" formulations and
> both screech badly when cold. If I work the brakes to heat them up
> the noise stops and it is less common in warm weather. I looked at the
> pads and don't see any signs of odd wear and cant find anything that
> might be dragging on the calipers that shouldn't be. I can't tell if
> it is just one brake or both front brakes. The discs are in better
> shape visually than the discs on most other bikes I have owned. This
> is driving me nuts and is embarrassing besides.