why does my car shake when i brake


Reasons Why Your Car Could Be Shaking When You Brake

Do you feel your car shake, shudder, or vibrate when you brake? If so, the underlying cause could be anything from worn brake pads, to warped rotors, to loose components. As you can imagine, the causes for the shaking could be numerous. That’s why, if you feel vibration when you press the brakes, it’s best to have it checked out by a certified technician.

1. Wore Brake Pads

Brake pads are made of friction material designed to wear over time, as it contacts the brake rotor. As the pad wears thinner, it is less able to absorb all the heat generated during braking, leading to increased vibration. Other signs of worn brake pads that you can check yourself include squealing brakes and a pulsing brake pedal.

2. Warped Rotors

If your rotors have become warped, this can also cause a vibration at the time of braking. Warped rotors can occur due to heavy and/or sustained braking, improper vehicle assembly, and even manufacturing defects. When a rotor gets too hot, it can cause the metal to expand, leading to an uneven surface that will give your car a vibrating feeling when the brakes are applied.

3. Loose Components

If there is any loose component on your car, this can cause shaking when you press the brakes. The shaking can come from parts becoming misaligned or spinning out of balance. Examples of these components include:

    • Wheel bolts, which can become loose, causing the wheel and tire to wobble as it turns.


    • Brake calipers, which can stick and cause a pulsing sensation in the brake pedal.


    • Brake hose, which can become damaged and cause fluid to leak.



Your car shaking when you brake is something that should never be taken lightly. It is a sign that something on your car is no longer working as it should. Take your car into a certified technician to have it looked at and diagnose the problem.

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