Brake discs worn, why?. The brake disc is a part of the automotive brake system that works together and wears out over time. In addition to brake discs, brake pads, brake fluid, brake calipers, and brake pedals need to be work together. You need to know that these parts wear out over the distances you drive and will eventually need to replace them.
All types of vehicles driven through the rotation of the wheels need a brake system to stop motion, no matter what vehicles, trucks, planes, motorcycles, bicycles, scooters, etc.
The Brake system uses disc or drum brakes, with brake pads acting to stop its rotation.
A car that has been running overtime needs maintenance of the brake system, making sure you are safe when braking is required.
You can check first to see if replacement or repair is required. Repairing the brake system is neither difficult nor easy. If you like to fix your car by yourself, replacing your brake system parts is not difficult. But if you do not know the mechanic, you may take the vehicle to the workshop mechanic for replacement.