Brake Pedal Goes To Floor When Engine Running. Also brake pedals tend to go to the floor when there is air in the line and they need to be bled but this only happens when the pedal is depressed. Calipers And Wheel Cyls Replaced Recently.
Its hard to stop it. But if you crank it the pedal just goes to the floor. 2 Bad or Leaking Master Cylinder.
The master cylinder is where the process of.
If you hit your Ford F-150 or Super Dutys brake pedal and it goes to the floor stop the vehicle and dont drive it until you find a solution to this problem. Its hard to stop it. When the engine is off I can press the bakes and they are really firm. If the brake pedal goes to the floor when engine running thats an even bigger sign of concern.
