What Causes Brake Pulsation and Vibration?
2 Answers
Brake pulsation and vibration can be caused by uneven wear of the brake discs or damage to brake components. Below are the specific reasons for brake pulsation: Uneven Disc Wear: If the outer side of the brake disc is thicker than the inner side or vice versa, during braking, the brake pads clamp the disc vertically. If the disc is uneven and does not fully contact the pads, it will cause vibration. The higher the speed, the more severe the vibration, making it harder to stop the vehicle. Damaged Brake Components: If you feel the brake trembling when applying the brakes at high speeds on a highway, it indicates that the surface flatness of the brake disc or pads is compromised. Loss of brake elasticity often involves damage to multiple components.
Common causes of brake pulsation and vibration primarily involve brake disc issues. I've experienced similar situations while driving, mainly due to uneven wear or warping deformation of brake discs, likely caused by uneven cooling after prolonged high-temperature braking. Additionally, uneven wear of brake pads, surface pitting, or embedded hard particles can easily lead to vibrations. Poor wheel balance is another major factor, causing the entire vehicle to shake during braking due to imbalanced wheels. Furthermore, loose suspension components like shock absorbers can affect braking stability. Don't delay if you notice this issue - visit a professional repair shop to check brake disc flatness, replace pads, and perform four-wheel dynamic balancing. Neglecting this could be extremely dangerous during highway driving.
