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Express Car Care of Denver

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How to Spot the Signs of Brake Wear and Tear Before It’s Too Late

January 7, 2023 by Denver Express Car Care

Some vehicle problems are easy to spot. If your tire is flat, you can see it. 

Some vehicle problems are more complex. If your brake pads are wearing down, you can’t see it just by walking up to your car. 

Manufacturers know this, and build in safety systems to alert you to potential issues. This is especially important with a vehicle’s brake system. It allows you to spot the signs of brake wear and tear before it puts you in danger. 

How a car’s brake system works

A car’s brake system is an essential safety feature that allows the driver to bring the vehicle to a stop or slow it down as needed. The brake system consists of several components, including the brake pedal, brake booster, master cylinder, brake lines, calipers, and rotors. Here’s a closer look at how each of these components works together to bring a car to a stop.

The brake pedal is the first point of contact for the driver when they want to activate the brake system. When the driver pushes down on the brake pedal, it activates the brake booster, which uses a vacuum to amplify the force applied by the driver. The brake booster increases the pressure applied to the master cylinder, a hydraulic pump that converts the mechanical energy the brake pedal uses into hydraulic pressure.

How to Spot the Signs of Brake Wear and Tear Before It's Too Late

The hydraulic pressure generated by the master cylinder is transmitted through the brake lines to the calipers located at each corner of the vehicle. The calipers house the brake pads, which are made of high-friction material. They press against the rotors (also known as brake discs) when the brakes are applied. The rotors are mounted to the wheels. They are responsible for dissipating the heat generated by the friction between the brake pads and the rotors.

When the brake pads make contact with the rotors, the rotors slow down, and the vehicle’s kinetic energy is converted into thermal energy (heat). The heat generated by the braking process is dissipated through the calipers and the rotors, which helps to prevent the brake system from overheating.

There are several types of brake systems used in modern vehicles, including hydraulic disc brakes, hydraulic drum brakes, and electric brakes. Each type of brake system has its own unique set of components, but they all work on the same basic principle of converting mechanical force into hydraulic pressure to apply the brakes.

How to spot the signs of brake wear and tear

As a driver, it is important to regularly check the condition of your brakes to ensure that your vehicle is safe to drive. Brake wear and tear is an everyday occurrence and can happen gradually over time, but it is essential to catch the signs early on to avoid more severe problems in the future. Here are some things to look out for to spot the signs of brake wear and tear:

Squealing or grinding noises: If you hear a high-pitched squealing noise while braking, it could be a sign that your brake pads are worn down and need to be replaced. Similarly, a grinding noise could indicate that your brake pads are completely worn out and the metal backing plate is now rubbing against the rotor. This can cause serious damage to your rotors, so it is important to address this issue as soon as possible.

Vibrations while braking: If you feel vibrations in the pedal or steering wheel while braking, it could be a sign that your brake rotors are warped. This can be caused by heat buildup from excessive braking or from the rotor being worn down unevenly. It is vital to have your rotors checked and possibly replaced to avoid further damage.

Soft or spongy brake pedal: If you press on the brake pedal and it feels soft or spongy, it could be a sign of a brake fluid leak. Brake fluid is essential for properly functioning brakes, so it is crucial to address this issue as soon as possible.

Pulling to one side while braking: If your car pulls to one side while braking, it could be a sign of a stuck caliper or an unevenly worn brake pad. This can cause your car to lose control while braking, so it is vital to have this issue addressed by a mechanic.

Brake warning light: If your brake warning light comes on, it could be an indication of a problem with your brakes. This could be anything from a low brake fluid level to a brake pad or rotor problem. It is essential to have this issue checked by a mechanic as soon as possible to avoid further damage to your brakes.

Is it time to have your brakes evaluated?

A car’s brake system is a complex but essential safety feature that allows the driver to bring the vehicle to a stop or slow it down as needed. The brake system uses a combination of mechanical and hydraulic components to apply the brakes and bring the vehicle to a halt, while also dissipating the heat generated by the braking process to prevent overheating.

If you detect any of the potential problems listed above, it’s time to have your brakes inspected. An inspection will allow a mechanic to evaluate each part of the system, discovering minor repairs that can be made before they escalate into bigger problems. 

Have you noticed trouble with your brakes? 

Filed Under: Brake Service Tagged With: Signs of Brake Wear and Tear

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

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Monday: 8:00AM – 5:00PM
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