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Why does the brake shake?

4 Answers
MacCatherine
07/29/25 9:06am
Reasons for body shaking during braking: 1. Caused by deformation of brake pads or brake discs. Related to material, machining accuracy, and thermal deformation during use, including: brake disc thickness variation, roundness of brake drums, uneven wear, thermal deformation, hot spots, etc. 2. The vibration frequency generated by the brake pads during braking resonates with the suspension system. 3. Unstable friction coefficient of brake pads, which is too high. Corresponding solutions to the above problems: 1. Check and replace brake discs and pads. 2. Perform brake system maintenance. 3. Self-check whether the brake pads are working properly and whether there is water accumulation on the brake discs or pads. The safest method is to have a repair shop check, as it could also be due to improper retraction of the brake caliper or low brake fluid pressure.
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LiamRose
08/12/25 8:21am
I've been driving for many years and often encounter the issue of brake shudder, which is usually caused by uneven brake rotors. Warped brake rotors may result from excessive hard braking leading to uneven overheating, or there could be uneven wear. Another common reason is severely worn brake pads or calipers that are stuck and not functioning smoothly, causing inconsistent friction. When inspecting, first feel the surface of the brake rotor; if you notice irregular pits or scratches, it's time to visit a professional shop for repairs. Additionally, issues in the suspension system, such as loose wheel hub bearings, can indirectly cause shuddering. Don't delay—regular maintenance can avoid costly major repairs, improve driving comfort, and extend the vehicle's lifespan.
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Patrick
10/06/25 3:38am
As a car enthusiast, I've found that brake shudder is mostly caused by issues with the brake discs. Hard braking at high speeds can overheat and warp the disc surfaces, leading to vibration over time. Another common cause is worn-out brake pads that have become too thin to make proper contact. I've also encountered similar symptoms caused by wheel balance problems. My advice is to first conduct a simple visual inspection of the brake components for obvious defects - replace any faulty parts promptly if found. Regular maintenance can prevent roadside emergencies, because safety should always come first.
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McCalvin
11/19/25 5:05am
Brake shudder is often caused by uneven or worn brake rotors leading to vibrations. Issues with brake pads, such as excessive wear, or unstable wheel hub connections can also cause this. During inspection, pay attention to these areas and repair them promptly to prevent further deterioration.
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