Brake Failure Mode
Do you hear a squeaking noise when applying the brakes?
This is usually caused by worn brake pads.
The pads contain a metal plate that acts like a sensor.
When the brakes ware down, this plate contacts the rotor.
When this occurs, a noise is usually heard coming from the brakes.
This is the brake failure mode,
and the brakes should be replaced before this occurs.
New vs Old brakes
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The yellow arrow points to the metal plate.
Between yellow lines is the spacing
with new brake pads.
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This is the spacing with old brake pads.
Notice the metal plate is in contact with the rotor.
This is what causes the squeaking sound.
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Rotherforth ESC Fall 2006