View Brake Pedal Sinks To The Floor Pics. If your brake pedal sinks towards the floor when you are stopped, while your foot is on the brake, or does not feel as firm when the brakes are applied, this could indicate you are having some sort of trouble with your brakes. How to fix a brake.
Brake pedal was fine most of the time but occasionally it would sink to the floor while stopping and it would be hard to stop.
I know the automatic fix is to replace the master cylinder which i did. Last night on the way home the brake pedal started getting real soft. When the engine is started the brake pedal goes almost to the floor, will not stop car. The brake pedal is firm when engine is off.