This is part of the braking system that controls the speed of a car. It stop the vehicle in emergency cases.

The Brake Master Bag should be replaced when the following cases are seen from the vehicle: The brake warning on the dashboard shows that the system is not functioning properly and should be replaced. Another situation is the leakage of the braking fluid used to create hydraulic. Other indicators are when the brake pedal starts feeling spongy, contamination of the brake fluid, and the tendency to have the pedal remain in a sinking position.