Why Do New Car Brakes Squeak?
2 Answers
Reasons why new car brakes squeak: 1. Break-in period for new cars: New brake pads and rotors require a break-in process, and it is normal for them to make noise when braking. The sound will disappear after some time of use; 2. Small particles may get between the pads and rotors while driving, causing friction noise. In most cases, no repair is needed—simply continue driving until the particles fall out; 3. Missing or damaged brake rotor mounting screws may also cause noise; 4. Brake system malfunction, which requires inspection and repair. Typically, brake pads should be replaced every 60,000 to 80,000 kilometers, and brake rotors every 100,000 to 120,000 kilometers.
I just bought a new car and noticed a squeaking sound when braking, which made me particularly worried about whether there was a serious issue. After consulting a car-savvy friend, I learned that new car brake systems usually require a break-in period. The surfaces of the brake pads and rotors are relatively rough, and combined with protective coatings or residues from production, they can produce noise during friction. It's like how new shoes might rub uncomfortably at first—after driving a few hundred kilometers, the surfaces smooth out and the noise disappears. Additionally, environmental factors like rain or cold temperatures might amplify the noise, but in most cases, it's normal. If the braking performance is fine, there's no need to worry too much. However, if the noise is unusually loud or persistent, it's advisable to visit a professional shop to check if the installation is correct and ensure everything is safe.
