What Causes Front Chassis Noise When Braking?

[McAnderson]

Here are the specific reasons for chassis noise during braking: 1. Improper brake pad installation: When installing new brake pads, the old brake discs were not resurfaced, resulting in a poor fit. A poor fit or installing new pads without resurfacing the old discs will cause the new pads to rub directly against the uneven surface of the old discs, ultimately leading to uneven wear of the new brake pads. 2. Brake system malfunction: There may be a defect in the brake system itself, causing the brake pads to only partially contact the brake discs. This increases the pressure per unit area during braking, resulting in noise. It is recommended to check components such as the calipers and guide pins. 3. Presence of foreign objects: Foreign objects cause a poor fit in the contact surface, leading to noise.