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uanella Auto Body
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Disc Brakes Working Processes

Brake Discs are used frequently throughout the driving procedure. Since we are continually applying the brakes when we come to a stop it is essential to get them tested every so often.

Made By: Paresh Gordhan.

Brake Discs: When Do Brake Discs Need To Be Changed Or Replaced?

Brake Discs get used often during the driving process. Because we are constantly applying the brakes when we come to a stop it is necessary to get them checked often.

Not all cars and vehicles have the ability to detect if there is damage on the brake disc. The only way to know when the discs need replacing is by listening to the sound they make whilst you are coming to a stop or if you look at the surface directly. Most worn out or damaged brake discs will have pieces missing or have an uneven surface because of the wear.

Sounds to listen out for are squeaks, squeals and grinding. Sometimes a little smudge of dirt is on the surface of the disc and can easily be cleaned. Often you can tell if there is dirt on the surface if the noise is not consistent. Consistent noise means that there is wear along a certain point where the brake pad passes.

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Disc brakes need to be looked at over every six months. If your car is armed with four-wheel disc brakes, have the caliper pins and backup brake cables looked at.

Created By: Tom Torbjornsen.

How Disc Brakes Work

The master cylinder is mechanically connected to the brake pedal through a system of steel rods called linkage. These rods operate at different angles using bushings that are usually made of nylon, rubber, or Teflon. When you step on the brake pedal, the linkage pushes on a steel rod that pushes into the back of the master cylinder. The master cylinder is nothing more than an elaborate pump that forces brake fluid through the braking system to energize the various components that stop your car.

The brake calipers are nothing more than powerful “C” clamps that are actuated by hydraulic pressure which occurs when the driver depresses the brake pedal, creating hydraulic pressure within the system. The calipers have large pistons inside of them that, when brake fluid pushes behind them, are forced outward … creating a clamping action on the pads, which are in contact with the rotors.

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The brake discs must only be changed if you hear shrieking, whining or relentless noises as you brake or come to a halt. If you are ambiguous about what you are eyeing, feeling or heeding out for then it is best to get the car looked at by a proficient mechanic. And for your body repair needs we at Guanella will take care of it for you.

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