Understanding Your Anti-Lock Braking System

Much about the evolution of the automobilefoot pushing the brake pedal.
focuses on making it go faster, handle better andThe ABS is particular effective when you get into
use less fuel to do so. Little is discussed about thethe details. First, the system will prevent skidding
evolution of making a car stop more efficiently.by releasing brake pressure if the wheel suddenly
This primarily do to the fact brakes are fairlystops spinning while the car is moving. This tells
simple systems and the one major evolution,the computer a skid has started. This often
anti-lock braking systems, have been with us forhappens at such a minute level that your car may
some time.actually skid a fraction of a second before the
So, just what is an anti-lock braking system?computer corrects the brake pressure. You rarely
Better known as ABS, it is a computerizedwill notice it happen.
system that helps keep your car from skidding.A quality ABS system is also going to counter
As anyone who has ever skidded in a car knows,balance the brake pressure on the four wheels. It
control is lost the minute the wheels lock up. ABSwill apply more pressure on certain wheels
is often categorized as a performance issue, butdepending on the situation. This is a development
it is really a safety issue for this reason.from auto racing. As race cars ran a lap, they
There is one additional benefit to using ABS.rarely needed braking more to one side of the
Skidding is horrible for your tires. Every skidcar or the other depending on the corner and
creates a flat spot on the tire wear the frictionconditions. This technology has leaked down to
literally burns away the tread. A good skid canstreet cars and you'll find it further enhances the
turn your smooth riding car into something thatbraking ability of your car.
feels like it is rolling on metal squares. ReplacingWhat if you are driving and the ABS warning light
four tires is expensive, and ABS can help youcomes on? Obviously, you need to get the
avoid doing that too often.system looked at. The light, however, does not
Most cars come with four wheel ABS these days.mean the brakes have failed. The ABS is
The ABS is a computerized system. It monitorsbootstrapped onto the basic brake system. You
the speed of each of the wheels as they spincan still stop and start the car, but it will feel
through sensors. When you press the brakedramatically less responsive so make sure you
pedal, the computer triggers the brake system toreact early to any potential need to slow down or
apply the appropriate pressure to the brakes. Itcome to a stop.
does this much more efficiently than a human