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How much wear on brake pads requires replacement?

1 Answers

DelAddyson

07/30/25 6:21am

Brake pads need to be replaced when their thickness is reduced to 3.5 millimeters. More information about brake pads is as follows: 1. Brake pads are one of the most important components of a vehicle's braking system. The pressure from the braking system is transmitted to the brake pads through the piston caliper, and the friction between the brake pads and the brake disc generates the braking force that slows down or stops the vehicle. 2. Brake pads are also a consumable material on the vehicle. Generally, the decision to replace them is based on measuring the actual thickness of the brake pads. 3. Brake pads consist of three parts: a steel plate, adhesive material, and friction material. The effective working part of the brake pad is the friction material layer. Once the friction material layer is worn out, the braking performance of the brake pad will sharply decline. Therefore, when the brake pad wears down to the adhesive layer, it needs to be replaced. The thickness of the adhesive layer is approximately 3.5 millimeters, which means that brake pads should be replaced when their remaining thickness is 3.5 millimeters.

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