Brake Pedal's Eerie Descent Exploring the Causes and Consequences

Pedal goes to the floor (or close to the floor) for only a few reasons. ... Or there is an external fluid leak. If the pdeal is not hard, there is ... check the brake linkage to the pedal. If that's working then either the master or the booster is bad. drain and remove the master cylinder ( ... The brake pedal just goes completely to the floor, and there is virtually no braking action. The problem also directly affects the power-steering at the same ... It turns out that it was caused by one of the rear wheel cylinders leaking brake fluid past the piston cup seal. The internal cups weren't ... If you are positive that there are no leaks (be sure to check all lines, wheel cylinders etc) then the most likely cause will be your master cylinder bypassing ... A lack of hydraulic pressure in the braking system is the most common cause, as well as worn brake components that require more brake pedal travel to apply ... The brake pedal falls to the floor without much resistance when the car is on. Is this a common problem with these cars? What could be the problem? The pedal suddenly started dropping to the floor, but only when running. I checked it and the brake booster was bad, so I replaced it. The brake booster or master cylinder might be going out. Look around there and make sure the vacuum hoses going to the booster are good. Pedal going all the way to the floor is usually an indication of a bad brake booster. They are not hard to replace.