I have a 2007 Honda Accord. When I start pressing the brake it seems to start stopping then the peddle gets soft and goes all the way to the floor. There are no leaks in the system. I just changed the front pads today just in case (back ones look good). I think there may be a leaky seal within the master cylinder. Can anybody confirm this for me? any other ideas?

 

welcome to the forum.. Seems to be your master cylinder leaking internally. by passes the rubber cup causing the pedal to gone down to the floor.

 

Thanks acmech52. I appreciate the reply.