Why do newly replaced brake pads not brake effectively?

1 Answers
VonAllie
07/29/25 2:55pm
Newly replaced brake pads may not brake effectively because their surfaces are not perfectly flat. During braking, small protrusions on the surface will contact the brake disc first, resulting in reduced contact area and lower friction force. This condition will improve after a break-in period. Brake pads are crucial components in the braking system and are also wear-prone parts. It's normal to experience reduced braking force immediately after replacing brake pads. Automotive brake pads, also known as brake linings, refer to the friction materials fixed on the rotating brake drums or discs. The friction linings and blocks bear external pressure to generate friction, thereby achieving the purpose of vehicle deceleration.
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