While seat belts, airbags, and warning sensors all play critical roles in keeping you safe on the road, your brakes are what allow you to actively avoid trouble in the first place. So when they start making unusual noises, it’s enough to get anyone’s attention.
The key is understanding which sounds are normal and which signal a problem that needs prompt attention. In this article, we break down the most common brake noises, what they might be telling you, and when it’s time to have your vehicle inspected.
Why Are My Brakes Squealing?
Squealing brakes are often a sign that you’re due for pad replacement. The sound actually comes from wear indicators that are put in place to tell you that the brake pads are nearing the end of their service life.
It’s not uncommon to hear brake pads squealing—and many drivers learn to tune out the sound over time. However, squealing brakes shouldn’t be ignored. So, if you hear your brakes squealing, schedule a brake service with the local shop and prepare to get it taken care of.
Why Are My Brakes Grinding?
Several factors can cause brakes to make grinding or scraping sounds. Sometimes it’s from severely worn pads, parts, or debris dragging across the rotor that shouldn’t be, or it can simply be due to rust buildup. Whether or not you should be concerned generally depends on the circumstances.
If you hear consistent, loud grinding noises, it’s time to go to a professional. Either the pads have worn away completely, or something, like a dust shield, is dragging on the rotor. In either case, your car is unsafe and you shouldn’t attempt to drive it any further. Call a tow and have the vehicle taken to a shop for inspection.
If the grinding is faint, appearing only after it rains or snows, or after the vehicle has sat for a while, chances are it’s nothing to worry about. A light layer of rust, moisture, or ice may be causing the sound, and it will go away as you drive. But if you’re unsure or concerned, there’s no harm in having a professional look things over.
Why Are My Brakes Rattling?
Brakes that rattle, pop, or click often signal that something in the braking system is loose or not functioning properly. A bolt or slide pin may have come loose, the pad could be moving within the caliper, or a component might be misassembled. It may also be caused by a faulty caliper.
Regardless, this is not a normal occurrence and needs to be taken seriously. It’s a sign that the brakes can’t do their job correctly, making the vehicle unsafe to drive.
If you hear rattling sounds coming from your brakes, you need to take the car to a professional. They will inspect for the source of the noise and make the right repair. You should consider having the vehicle towed or hiring a mobile tech to do the work, because driving in this condition is dangerous.
Why Are My Brakes Creaking?
The last noise you may hear is a creaking sound coming from the brakes. This is usually a sign that the moving parts are lacking the lubrication they need and should be serviced.
Creaking brakes generally aren’t a cause for serious concern. Simply take the vehicle to a shop that can look it over and add lubrication where it’s needed. During this process, the technician can also confirm the sound isn’t being caused by a larger issue, such as suspension components interacting during braking. Don’t ignore it, though, because it can lead to more serious issues in the future.
Other Brake Signs To Look For
Bad brakes don’t just make weird noises—they cause all kinds of strange conditions that drivers need to watch out for. If you spot any of the following, it’s time to visit a mechanic:
- Smoke: Brakes will smoke when they’re overheating. If you notice smoke coming from the wheel well, it may indicate a component in the braking system is stuck and causing the pads to drag, signaling service is required.
- Smell of Burning Brakes: New brakes can produce a temporary smell, so it’s not always a cause for concern. However, if you notice a burning odor during normal driving—especially alongside noise or reduced performance—it’s time to have your vehicle inspected.
- Vibrations In the Pedal or Steering Wheel: If you feel a vibration in the brake pedal or steering wheel when you apply the brakes, something is wrong. A rotor is likely warped and must be replaced.
- Loss Of Braking Power: Loss of braking power means parts have failed, or the brakes are due for service. If the pedal also suddenly loses pressure, stop driving the vehicle immediately and have it towed to a shop.
Stop Safely with Parts Via
Parts Via carries all the brake parts you need to keep your vehicle stopping safely and reliably. With an inventory stocked with leading brands—including Brembo, Wilwood, Raybestos, and Hawk Performance—and a customer service line ready to help you find the right parts for your ride, we have you covered. Plus, with our fast, FREE ship-to-store option at checkout, you can send your new brakes straight to a professional who can install them for you, helping the entire process work as well as your brakes should.