Grinding Noise When Braking? Here’s Why.

No one likes unwanted noises when driving. Especially when you’re listening to your favorite song! Cars make noises, especially if they aren’t being taken care of properly. One of the most common noises you’ll hear is while braking. Whether it’s a squeak, rattle, pop, or grind… listen to what your car is trying to tell you and fix the issue.

In this article, we’ll go over what that grinding noise is while braking. It is a serious issue but can be fixed with the help of your trusted mechanic.

So, let’s dig in!

Grinding Noise When Braking? Here’s Why.

Your car creates heat every time you brake which wears out your brake pads, and brake pads do not last forever. If you are a heavy ‘brake-r’ or live in the city where you brake a lot, you’ll wear out those brake pads even quicker. Which leads me to why you hear a grinding noise when braking. Here are the most common reasons why:

  1. Worn-out brake pads or rotors are of course the number one reason to that grinding noise you hear when braking. Like I said above, brake pads & rotors do not last forever and do need to be replaced when worn. If you don’t replace them, then eventually you will have no braking whatsoever… Therefore, if you do hear this grinding noise, take it in and see what your mechanic says. Yes, brake pads & rotors are expensive but you should only need to replace them every 20,000-50,000 miles depending on how you drive.
  2. A foreign object jammed between the rotor and caliper could be another reason for this grinding noise. The regular dust & grime is harmless, however, you could get a bigger object, like a stone, wedge in-between the two which will cause serious damage.
  3. Another reason you hear a grinding noise while braking is because you could have broken shims. Shims are thin layers of rubber (sometimes metal) that fit between your brake pad & rotor to keep them from touching each other while driving. And of course, if this wears down those two pieces will touch which will cause metal on metal rubbing and that grinding noise! Whenever you replace your brakes, you should replace the shims.
  4. Not driving your car often could be another reason. As your car sits, the rotors will create rust which will spread. Whenever you drive your car after sitting for a long time, this rust buildup could cause a grinding noise. You could prevent this by driving your car more often or making sure it’s stored in a climate controlled facility.
  5.  Lastly, low quality brake pads. Pretty much sums it up right there. If you invest in your car, it’ll invest in you by keeping you safe!

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