What is the caliper brake system of the car

The Main component of the safe movement by car is, of course, brakes. Its reliability allows the car to slow down quickly or to stop in time. Accordingly, it is necessary to constantly monitor the serviceability of all areas of the brake system, in particular, to pay attention to the calipers. After all, they are pivotal in the transformation of the applied force from the brake pedal to the brake disk.

Definition of caliper

The Caliper, by definition, is a node intended for fastening the tool can be moved around. This unit includes a special mechanism and tool holder. The design of the caliper to enable movement in the direction of a given device. To understand what is the caliper brake, it is necessary to understand the operation of the entire brake system of the car.

Here the caliper is a hydraulic cylinder with a piston forming the braking force of the vehicle, and the bracket that holds the brake pads. When pressed by the driver on the brake pedal increases the brake fluid pressure on the pistons in the caliper body, which, in turn, is pressed against the brake pad to the brake disk or drum. Thus there is a slowing or complete stop of the vehicle. Currently used brake calipers of two types: fixed mount and floating caliper.

Fixed caliper

Stand in this case attaches securely to the steering knuckle. The working cylinders are located on both sides of the brake disc. If you press on the brake pedal the pistons squeeze the pads while the two sides of the disk. Brake pads in this design are held in suspended with special springs. It should be noted that such a braking system is very effective, so is often used for sports car or powerful car with a large mass.

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Caliper

In this case the working cylinder with a piston arranged on one side, where one brake pad is fixed in the same position. When braking, the piston only pushes one pad, while the second is pressed against the disk gradually, moving on rails. As a rule, the manufacturing parts of this type is less expensive, so this kind of distributed calipers on most vehicles.

Working Principle

Rear caliper performs the function of pressing the brake pad to the disk. As a result, the resulting friction causes the car to slow down or stop. The same function is performed and the caliper front.

Both of these items have similar construction. As the calipers in their work, are constantly exposed to heavy loads (constant friction and, as a consequence, heating up to high temperatures), they must be strong enough and have high emissivity.

Main features and causes of faults

Many car owners know what a caliper is, only when the first signs of the defects. Therefore, it is necessary to know the symptoms affecting the operation of the calipers, the most common: the emergence of creaking, locking of brakes, pulls the car to the side when braking, excessive smoothness or stiffness of the brake pedal. As a rule, most quickly wear down brake pads and brake discs. This is due to constant friction and heating of these parts. But do not forget that the anthers, seals, and cuff inside the body also require proper attention, because they determine the tightness of the system. Due to the lack of proper care, some elements and components may corrode and rust. This can lead to jamming of the moving parts of the mechanism.

Repair slide

Most automakers offer a repair instead of complete replacement of the caliper. However, this is quite an expensive procedure even for a budget car. There is an opportunity to rebuild the caliper with the kit, which includes all the necessary elements, including anthers and cuffs. If the car owner has a clear idea of what is the caliper, it can make all the necessary manipulations for repair.

In the first place, the caliper should be disassembled and assess the degree of wear of each element. Special attention should be paid to rails, because they provide the necessary mobility of the parts. In any case, it is necessary to remove from the elements caliper corrosion and rust, if any. This is enough to clean the desired area with a thin emery paper. After that you need to process parts with special grease and install them in place. For modern garages is easy and replacement of fittings and calliper pistons that can significantly increase its service life.

So, to be careful and attentive driver, to ensure safe operation of the braking system, particularly the calipers is not difficult. Most importantly, know what a caliper, and the time to replace its consumable items.