brake pedal touches floor and ive tried bleeding

[slatez90]

I took the pads off and pumped the brake to make sure it wasn't sticking and the piston cylinder which comes out popped all the way out.I put it back in and now my pedal hits the floor. Ive tried bleeding them over and over while using break fluid but still wont do anything.

 

[Kazumz]

So if you've tried bleeding them over and over, do you think there may be a leak somewhere? Air might just be getting back in.