Car Brakes: How They Work

When it concerns vehicles, the engine is always what is talked about. Brakes are an afterthought and don’t get as discussed as often as engines, even though they’re highly important. Let’s highlight what your brakes do and how they work, as they are incredibly important to driving safely and an engine won’t matter if your brakes aren’t functioning as they should.

What Do They Do?

Many people believe that your brakes cause the car to stop, but this is incorrect. Friction is what slows down the vehicle – the brakes keep the wheels of your car or truck from turning. Many modern cars are equipped with disc brakes, which are made up of:

–    Rotors

brake repair service

–    Calipers

–    Pads

–    Brake lines

–    Master cylinder

Let’s take a look at the rotors and the calipers and then go into how the brake master cylinder comes into play.


The rotor, also known as the disc brake, is what attaches to the wheel of the vehicle. When the brakes are pressed, the brake pads inside the caliper squeeze the plate and slow the vehicle down.


The calipers are wrapped around each brake disc with pistons that are used to push against the disc. More calipers will generally equal more even pressure being placed on the pads and spreading to the brake disc.

When you press the pedal, pressure builds up and brake fluid, which comes from the master cylinder through brake lines, pushes the pistons outward. To reduce the amount of effort it takes to stop, many brake systems are constructed with power assistance. If anything goes wrong with your brake lines or brake master cylinder, a brake repair service may be needed to fix the issue.

Now that you know what your brakes are and how they work, it will be easier to keep your vehicle and brakes maintained so that driving is safer.