Bleeding

The slow releasing of pressure in the air-conditioning system by recovering some of its liquid or gas.The act of removing air from a hydraulic brake system.A small leak.When one paint color shows through another.

How to Bleed Brake Fluid by Yourself

Brake fluid should be replaced every 2-4 years, or if your brake pedal feels spongy. With a brake bleeder tool, you bleed your brakes in about an hour without any additional help.