Brake Pedal Goes To Floor No Leaks. If it is full capacity then there is no leak. Of course the system can be thoroughly bled to rule that possibility in or out.
Brake Lines Brake Calipers Check. The first thought that comes to anyones mind when brake pedal goes to the floor when engine running is that there is a leakage in any of the brake lines that outflow the pressure in the brake system. This is likely not the case.
Brake Lines Brake Calipers Check.
With ABS Brake Pressure Modulator Valve BPMV or Hydraulic Control Unit HCU have been replaced or are suspected of having trapped air bleed it as follows. 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. Take the car into a mechanic if theres reason to suspect the brake master cylinder is leaking. Firmly apply the brake pedal and perform three 1993 or four 1996-2000 function tests with the Tech 1 scan tool.
