Brake Pedal Goes to Floor Causes and Quick Fixes

One of the most common reasons for your brakes touching the floor would be an issue with your brake fluid. Your fluid being low or air reaching ... 2005 Ford E150 with a brake pedal that slowly goes to the floor. Some model Ford vehicles such as the E150 and F150 have a test port on the ... A bad power brake booster could make the brake pedal go to the floor only when the engine is running, which is the primary issue that I am experiencing. The Ford dealer said it could be the master cylinder or an ABS module. My question is, can you trouble shoot the Abs module and Master cylinder and not just ... in that case it looks like the fluid return cup on your master cylinder piston is swollen,closing off the orifice, preventing fluid from ... I had the same exact issue, it's the Master Cylinder. It has an internal leak, just get a new one and you'll be good to go. I changed it out a ... Most likely the Master Cylinder piston seals are leaking internally which is why the fluid level stays the same. You could either rebuild the ... Brake pedal to the floor is a classic symptom of master cylinder failure. The fluid simply bypasses the seals on the piston in the master cylinder. 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? Most common causes are leaking brake line or brake cylinder. Have someone press the brakes while you look under the truck for leaks. No leaks?