How Do Automotive Brakes Work?

by | Oct 28, 2016 | General

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When you get in your car, truck or SUV, you may think very little about how the brakes work. Most people take it for granted that when they push on the brake pedal, the vehicle will come to a smooth stop. However, this is not always the case and some fundamental knowledge about brakes can help you avoid a lot of problems down the road. Here is information on how brakes work, from your brake and tire repair service professionals in Forth Worth.

The Principle of Hydraulics

Brakes work on the principle of compressed liquids. When you push on the brake pedal it depresses a rod which operates a plunger in the master cylinder (filled with brake fluid). Lines from the master cylinder feed to each wheel.

Disc brakes have a caliper which squeezes brake pads on a wheel rotor, to stop the wheel. Drum brakes have wheel cylinders which expand brake shoes against a brake drum attached to the wheel. Pressurized fluid activates these parts to stop your vehicle.

Problems with Brakes

Two of the main problems with brakes are leaks in fluid systems and parts wearing out. Brake pads and shoe linings are made from soft metallic materials and they eventually wear away over time and must be replaced. Fluid leaks often develop as a result of worn seals or cracks in rubber brake hoses. When you take your car to your local brake and tire repair service in Fort Worth, they will check to make sure there are no problems with your braking system. If so, they can easily fix them.

Why Do Leaks Cause Problems?

It is very important to check brake fluid level in your master cylinder reservoir occasionally. Most reservoirs are translucent and you do not have to remove the cap to check the level. If fluid levels become too low, air will enter the system. Since air can be compressed easily it wreaks havoc with a hydraulic system.

Signs of Air in Your Brake System

You should be able to place your toe underneath the brake pedal after it has been fully depressed. If you get into the car and the brake pedal suddenly goes all the way to the floor, it probably has air in the system. The pedal may have a soft or spongy feeling and this is usually an indication of air in the lines. When this happens, you should take the car to your brake and tire repair service in Fort Worth as soon as possible. Otherwise you could experience major difficulties and the car could be very hard to stop. Your brake professionals are there to ensure the safety of you and your family while you are on the road.

When you need professional brake or tire repair service in San Antonio, come to T&W Tire. We offer a full range of automotive and truck services and you can visit us .

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