ABNORMAL WEAR 3

APPEARANCE

Deep grooving between hat and disc surface

CAUSE

Excessive pad and disc wear may lead to movement of the backing plate within the caliper. In this case, the backplate of the worn pad has come loose from its seat within the caliper causing grooving between hat and disc surface

EFFECT

Very low braking efficiency with a long pedal stroke and heavy noise

SOLUTION

Replace discs and pads. Check and, if necessary, repair the caliper

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