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What does "pad knockback" refer to in brake systems?

The tendency of brake pads to move away from the rotor after braking

"Pad knockback" refers to the tendency of brake pads to move away from the rotor after braking occurs. This phenomenon typically happens due to factors such as the suspension geometry or when the vehicle is subjected to lateral forces, such as during cornering or hitting a bump. When the brake pads are displaced away from the rotor, it can lead to a brief loss of brake contact, resulting in a feeling of "mushy" or reduced braking performance until the pads have re-established contact with the rotor.

Understanding "pad knockback" is important because it can affect vehicle safety and performance. It can lead to increased stopping distances and a less responsive brake system, which can be critical in emergency situations. Recognizing this issue allows technicians and mechanics to diagnose and address potential concerns in brake system maintenance and performance optimization.

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The vibration of brake pads during operation

The increase in brake pad thickness over time

A method to enhance brake performance

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