What is the reason for still experiencing shaking after replacing the brake discs several times?

2 Answers
DelQuinn
07/24/25 4:17am
The reason for still experiencing shaking after replacing the brake discs several times is due to an issue with the wheel's dynamic balance. A dynamic balance test needs to be performed to resolve this problem. The braking system is crucial for a car, as it affects the vehicle's driving stability and safety. The main components of the braking system include the vacuum booster pump, master cylinder, wheel cylinder, brake pads, and brake discs. Both brake discs and brake pads are wearable parts that require regular replacement. As the car's mileage increases, the brake discs and brake pads will continue to wear out. The braking device generates friction between the brake pads and the wheel hub or disc, converting the kinetic energy of the moving car into heat energy during the friction process, thereby dissipating it.
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DerekRose
08/10/25 11:54pm
I've encountered this issue more than once, and it's often discussed in car enthusiast groups. There are quite a few reasons why the car still shakes after replacing the brake discs. Poor quality discs are a possibility—some inferior discs on the market have uneven surfaces and will cause shaking as soon as they're installed. Improper installation can also be problematic; rust or grease on the wheel hub can prevent the disc from sitting flat, leading to vibrations every time you brake. Unbalanced tires and uneven brake pad wear are also contributing factors, as instability in the rotating wheels can cause linked vibrations during braking. Additionally, aging suspension components, such as shock absorbers, can amplify the sensation of vibration. It's advisable not to attempt fixing it yourself hastily. Instead, take the car to a professional repair shop to have the disc flatness and tire dynamic balance tested with proper tools, and have the entire braking system inspected while you're at it. For safety's sake, pay attention to these points during regular maintenance.
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