2002 Ford F-150 Brakes going to the floor

MAYBE YOUR TECHNIQUE AIN'T JUST RIGHT!

SEVERAL FOLKS ANSWERED THIS POST, SKIP ON DOWN TO MY ANSWER (SEE ME IN MY WILLYS JEEP AVATAR BESIDE MY ANSWER)

http://www.2carpros.com/questions/2002-ford-f-250-changed-master-cylinder-pedal-still-floor

THERE IS A LINK WITHIN THAT ANSWER, SORTA HOW TO BENCH BLEED "ON THE VEHICLE" NOT ON THE BENCH!

HERE'S ANOTHER POST WHICH I COPIED AND PASTED INFO FROM THE OTHER ONE, I DID ADD SOME MORE TO IT, SO IT MAY HELP TOO

http://www.2carpros.com/questions/1966-ford-custom-front-brake-shoe-noise

TRY THIS STUFF

IT IS NOT UNCOMMON TO GET A BAD PART FROM THE PARTS STORE, I'D GIVE EVERYTHING ELSE A SHOT BEFORE TAKING BACK THE MASTER CYLINDER

IS MY BLEEDING TECHNIQUE WHAT YOU WERE DOING?

THE MEDIC