When brakes go to the floor, run, don’t walk, to your mechanic – The San Diego Union-Tribune

When brakes go to the floor, run, don't walk, to your mechanic
The San Diego Union-Tribune
If you don't have a massive leak, it probably is the brake master cylinder. The master cylinder is basically a hydraulic pump filled with brake fluid. There's a piston inside it — like in a bicycle pump. And when you step on the brake pedal — you