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Writer's pictureFWS Deions

Why Does My Car Make a Sound When I Brake?


Hear unusual noise when driving

Have you ever been driving your car and noticed an unusual noise when you apply the brakes? It's a common concern among car owners, and it can be unsettling. However, understanding why your car makes a sound when you brake is essential for both your peace of mind and your vehicle's safety. In this article, we'll explore the various reasons behind brake noises and what you can do to address them.


When you notice the following sounds emanating from your brakes...


Sounds emanating from car brakes

1. Squeaking or Squealing


One of the most common brake-related noises is a high-pitched squeaking or squealing sound when you press the brake pedal. This noise is often caused by a small metal wear indicator that's built into the brake pad. When the brake pads wear down to a certain level, this indicator comes into contact with the rotor, producing the noise as a warning that it's time to replace the brake pads.


2. Grinding


If your brakes make a grinding noise, it usually indicates a more severe issue. Grinding can occur when the brake pads have worn down completely, and the metal backing plate of the pad comes into contact with the brake rotor. This situation can cause damage to the rotor and compromise braking efficiency, making it crucial to address immediately.


3. Clicking or Thumping


Clicking or thumping sounds when braking can be attributed to a variety of issues. Loose or damaged brake components, such as caliper bolts, shims, or even foreign objects lodged in the braking system, can cause these noises. If left unattended, these problems can lead to serious safety concerns.


4. Vibrations or Pulsations


While not a noise per se, if you feel vibrations or pulsations through the brake pedal when you apply the brakes, it could be a sign of warped brake rotors. Warped rotors can result from excessive heat build-up during braking, and they can lead to decreased braking performance.


What steps should you take if you hear these sounds coming from your brakes?


Inspect the Brake Pads and Rotors

1. Inspect the Brake Pads and Rotors


If you hear squeaking or grinding noises, it's essential to inspect your brake pads and rotors. If the brake pads are worn down, replace them promptly. If the rotors are damaged or warped, they may need to be resurfaced or replaced.



2. Check for Loose or Damaged Components


Clicking or thumping noises may be caused by loose or damaged brake components. Inspect the calipers, shims, and other parts for wear or looseness. If you find any issues, consult a professional mechanic.


Regular car inspection and maintenance

3. Keep Up with Regular Maintenance


Preventative maintenance can help avoid brake noises altogether. Follow the manufacturer's recommended maintenance schedule, which includes regular brake inspections and replacements.



4. Avoid Overheating


To prevent warped rotors, avoid excessive braking, especially during long descents. Downshifting to slow down and giving your brakes time to cool can help maintain rotor integrity.


When your car makes a sound when you brake, it's essential not to ignore it. These noises are often early warning signs of potential problems with your braking system. While some brake noises are relatively harmless, others can indicate serious issues that require immediate attention. Regular maintenance and prompt action can help keep your brakes in excellent condition, ensuring your safety on the road. If you're unsure about the source of the noise or how to address it, consult a qualified mechanic to diagnose and fix the problem.

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