Disc brakes are constantly cooled by the flow of headwind. In addition, the front disc brakes are internally ventilated: there are large recesses around the perimeter of the brake disc that evacuate air and thus further improve cooling. Dust from the pads is immediately blown off, and the disc brakes are self-adjusting without any special mechanical devices
Automatic adjustment
The design of the disc brakes in the car is due to their additional self-regulation: just the brake piston, as the brake lining wears out more and more from the brake caliper body and thereby ensures the location of the linings exactly at the brake disc. Due to the brake fluid flowing in behind, it cannot occur «gap».
Front floating caliper disc brake
The front brake discs are so-called floating caliper disc brakes. As the name implies, it surrounds the brake disc in a saddle shape and is movably supported («floats»). The brake piston in the cylinder body presses the inner lining against the brake disc, as a result of which the cylinder body is pulled in its guide and on the other side also presses the brake lining against the disc. As a result, only one brake piston per wheel brake is required.
Disc brakes in rainy weather
In prolonged rain, the open brake discs are intensively watered, so the braking effect is manifested with a delay of a fraction of a second. Moisture between brake discs and pads must first evaporate. In winter, when a lot of salt is sprinkled, this phenomenon is intensified when the salt layer that has settled on the brake linings and discs must first be erased during braking.
After driving in rain or winter sleet with spilled salt, before parking the car for many days, first dry the brakes in motion in order to avoid the appearance of severe rust on the brake discs or sticking of linings. It is enough to drive the last hundreds of meters with the brake pedal depressed.
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