Brakes are the most crucial component of a car. Without them, how could you ever get your car to stop? One motion of the leg is nowhere near enough pressure to stop, let alone slow down your almost two tonne car. Brakes are the most crucial component of a car. Without them, how could you ever get your car to stop? One motion of the leg is nowhere near enough pressure to stop, let alone slow down your almost two tonne car. Through many systems, your car is able to maintain its ability to ‘brake’ and stop your car from moving. These systems are all vulnerable to interferences and damage such as wear and tear, overheating and other such problems. Should one of these systems suffer, the others would all be affected, leading to reduced braking efficiency or even the complete loss of the brakes. Get 3 free quotes for a Brake job now To understand these systems means to know what problems can arise within them and how to remedy their afflictions.
The Hydraulic SystemAs already mentioned, the weight and pressure applied when a driver presses down upon the brake pedal is nowhere near enough to reduce the speed of the car. This is where hydraulic pressure comes in to assist. The pressing of the brake pedal applies pressure to a wheel cylinder that contains two pistons, one at the top and one at the bottom. Due to this fluid being incompressible, the pressure applied could be compared to that of a steel rod with one exception. In a liquid form, it works its way through all the lines in the car making its way to each of the vehicle’s wheels which contain the braking plates. In each wheel there is a disk which is flanked by two brake pads. This fluid hydraulic pressure system squeezes the two pads against each disk in each wheel which results in the car slowing down, soon coming to a halt.
Disk Brake System and Drum Brake SystemThe most common innovation is for cars to feature two disk brakes on a car’s front wheel while utilising drum brakes on the rear wheels. The disk brake system uses the previously mentioned brake pads to pressurise the brake disks that are connected to the axle or wheel. This action causes the attached wheel to reduce in speed as the amount of friction between the surface outside and the wheel increases. Drum brakes, on the other hand, enlist the use of brake shoes which are mounted on backing plates to slow the car down to a stop. These brake shoes apply pressure to the inside of a rotating drum which, in turn, results in the same eventual stopping of the vehicle. Despite the differences between these two systems, both efficiently create friction which slows and eventually stops the wheels of the car, causing the car to become stationary more swiftly, dependent on the amount of pressure applied.
Braking Problems and How to Determine themOne issue that can plague a car’s braking system could be a leak in the braking fluid. This kind of problem is surprisingly common, but can easily be assessed and identified by observing how quickly your car slows down when applying your brakes. If a leak has occurred within your braking system, the loss of the hydraulic braking fluid is inevitable. Without the correct amount of fluid in the wheel cylinder and losing some or all hydraulic pressure to each wheel, your brakes will begin to lose their effectiveness. Losing the majority or all of this fluid would mean that your brakes would lack all pressure and fail when you use them.
There are several ways to tell if this leak has arisen:
- Brake Warning Lights lighting up would mean that your braking fluid is low. This is probably the easiest way to detect a leak.
- If the car pulls to one side when applying the brakes, this is a prime sign of a leak.
- If the brake pedal becomes difficult to press or feels different when pressing down, it is a sign that air has reached the brake lines. This could have occurred due to a leak.
All about the Brakes
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- How to diagnose your brake problems
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- What is a Brake Bleeding Kit