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Re: How 'bout an answer? Posted by Ari [Email] ![]() ![]() In Reply to: How 'bout an answer?, TimBrown, Mon, 7 Oct 2002 14:41:26 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Brake squeal is when the brake pads vibrate. They vibrate because the rotor is rubbing against the pad, just like the tone you make when you run a wet finger around the rim of a glass.
The usual squeal is high-pitched, like your brake pads are made from mice. That's just the frequency the like to vibrate. But at very slow speeds, you can get the same vibration, except the frequency will be lower - hence the groan.
There are lots of solutions to brake squeal. There are lots of solutions because not every one works all the time. One option is to put anti-squeal stuff on the back of the pads. The problem really is squeal, just at a lower frequency. The anti-squeal goop may not be as effective because low frequencies are harder to damp out, and the goop acts as a damper.
Another approach is to replace the pads, preferably from a different maker. Different compositions will vibrate at different frequencies. You've got a resonance, so you just want to find something different.
Good luck!
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