1993 nx2000, brake problem

[lovemynx2000]

I was driving along, and when I downshifted and hit the brakes, my brake pedal pretty much went to the floor. Obviously, it pertains to a pressure problem in my brakes, so what do i do to fix this problem? I had my rotors, calibers, and pads changed just weeks ago for inspection, so this shouldnt be happening, right???

[navysnail]

check your master cylinder for leaks. if that is clean, check each wheel cylinder and also check the line conection.