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At what level of wear should brake pads be replaced?

1 Answers

AaronLynn

07/28/25 2:21pm

Brake pads need to be replaced when their remaining thickness reaches 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 braking force to slow down or stop the vehicle. 2. Brake pads are also a consumable material on vehicles. Generally, the need for replacement is determined by 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 pads will significantly decline. Therefore, when the brake pads wear down to the adhesive layer, they need to be replaced. The thickness of the adhesive layer is approximately 3.5 millimeters, meaning brake pads should be replaced when their remaining thickness is 3.5 millimeters.

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