Unveiling the Mystery Behind Brakes Sinking to the Floor

The brake pedal goes to the floor with very little resistance. It isn't spongy like there is air in the lines. It just goes to the floor if you push it all the ... My braking pedal sometimes goes to floor during driving, mainly when I'm in a traffic jam and using the brakes actively. The brake pedal fell out from beneath my foot and went almost all the way down. The emergency brake light came on. I pumped the brakes a bit and got a little ... You either have a leak (which wouldn't result in a full reservoir), air in the lines, or more than likely a bad Master cylinder. I'd put my ... My first guess would be a bad master cylinder, if you don't have an external leak somewhere and if the pedal doesn't begin to "firm up" after ... A brake pedal that sinks all the way to the floor could indicate a problem with the brake master cylinder or it could be due to a brake fluid leak. Air in the system. Make sure you are bleeding them in the proper order and that the reservoir doesn't go empty. If it does you end up with air ... If your brake pedal goes all the way to the floor even with a full brake fluid reservoir, it indicates a problem within the brake system itself. If your brake pedal goes to the floor but still stops, you may be using your pads' metal to stop rather than the pads themselves. Do yourself a ... A defective master cylinder (MC) can and will leak internally. That means when you push the brake pedal down the seals inside the MC don't build ...