Are Your Car’s Brakes About To Fail?

Most of us take our vehicle’s brakes for granted. We rely upon them every time we drive, yet neglect to think about them until we notice problems. Even when warning signs manifest, we ignore them, hoping they’ll dissipate. Wear and tear only grows worse with time; eventually, braking systems fail entirely and put the driver, passengers, and other motorists at risk.

Fortunately, your car has ways of alerting you when its brakes are having problems. It’s important to be able to identify the telltale signs before small issues grow into major repair bills. Below, I’ll provide a roadmap of the warning signs your vehicle will produce when the braking assembly is in need of attention.

Warning Signs That Suggest A Problem

There are a number of ways in which your car’s braking ability can suffer. First, consider how your vehicle comes to a stop. The pads squeeze the rotor, slowing it down. Friction generates heat. After years of operation, it’s not uncommon for the recurring exposure to heat to harden the pads. That affects the pads’ ability to grab the rotor effectively.

That same intense heat can also create hot spots on the rotor itself. These hot spots create resistance to the friction generated by the pads. That prevents the braking assembly from slowing your vehicle properly.

Another warning sign is squealing. When the pads wear down, there’s generally more metal exposed. As they clamp down onto the metal rotor, the friction between the exposed metal produces a squeal. If you hear it, don’t ignore it. The pads need to be replaced. If you wait, you’ll eventually hear grinding, which can damage your rotor.

Let’s return to the heat created by friction within your braking assembly. As noted, it can cause hardening in the pads as well as hot spots on the rotor. It can also cause warping on the latter. The warping manifests as a pulsing feeling when you press your brake pedal. If you feel it, that usually means you’ll need to have a mechanic resurface the rotor.

If your car has disc brakes, you might hear a clicking sound while driving. This issue has been around for decades and it’s relatively easy to resolve. It happens due to the loose-fitting caliper that helps the discs apply pressure to the rotor. Even though automakers install connecting devices that are supposed to tighten the fit, they wear down and crumble over time. When they do, you’ll hear clicking.

Watch Your ABS Indicator

Most vehicles that come off the factory floor today are equipped with anti-lock brakes. If anything goes wrong with them, an ABS indicator light will display on the dashboard. The issue that triggers the light might be minor (for example, a worn plug) or serious. If you notice it, have an auto technician take a look. Not only can you catch problems before they turn into expensive repair bills, but you’ll ensure the safety of yourself and your passengers.

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Understanding How Your Car’s Anti-lock Brakes Work

Safety is a chief concern in any modern car. With innovations including the airbag, seat belt, and head rest, risk has been reduced to levels that were unfathomable decades ago. Along those lines, the introduction of electronic control systems has included the development of anti-lock brakes (ABS). They prevent your vehicle’s wheels from locking while braking, an event that would otherwise cause you to lose control and potentially crash.

If any of the tires on your vehicle lock up, your car will start to skid; it will become very hard to control. On the other hand, if your tires are able to maintain contact with the pavement, they’ll provide the level of control you need to maneuver your car. This article will explain how the components of your braking system work together to prevent your wheels from locking.

Anti-Lock Brake Components

Your vehicle’s anti-lock brake system has four basic components; they include the pump, sensors, valves, and controller. The pump is responsible for putting pressure on the brake pedals and stopping your car. The valves are responsible for releasing the pressure. When combined, these two assemblies create the rapid flutter of the brakes that prevent them from locking.

The second two components of the system are the sensors and controller. Immediately before a lock-up, the wheels decelerate very quickly; the sensors are able to recognize this change and act accordingly, relaying the information to the controller. In turn, the controller activates the valves and pump to control the brakes, thereby preventing your vehicle from skidding.

Anti-Lock in Action

In the event of a lock-up, the controller interprets the information from the sensors and identifies your car’s deceleration as too severe for a standard braking situation. In response, the controller releases the valves which cause the wheel to accelerate slightly. The subsequent pumping action applies the necessary pressure to cause deceleration. This cycle, performed multiple times per second, causes your wheels to slow down at the same rate as your car without locking up.

Anti-Lock Varieties

There are three main types of ABS assemblies, but the most effective is known as a four-channel system. In this type of system, each wheel is independently monitored and controlled for maximum stopping power. Three-sensor setups are common as well. In this layout, the front wheels are independently monitored and controlled while the rear axis has its own independent sensor and valve.

Lastly, the single-channel design uses a single sensor-valve combination on the rear axle. This is commonly used in pickup trucks but is flawed because the wheel has to lock up first before activation while the other two systems act preemptively.

A lot of drivers mistakenly believe that vehicles equipped with ABS offer superior stopping ability. In reality, there are other factors, such as slippery roads and weather, that should be considered. Automotive technology will continue to advance as automakers strive to offer more protection to drivers and passengers. It is likely that today’s braking systems will be significantly improved in the future.

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