1989 toyota pickup truck 4x4

i was driving my truck the other day and lost the breaks and so i found a break line was leaking so i fixed that and repalced the front cabler`s and the front lines and the ones that go to the back of the wheels as well so i repalce them as well so i bleeded all the wheels and getting fuiled from the wheels but the pedale still goses to the floor and wont come up weather u pump it up .......i was looking at autozone website and see that it has a popsiting vale with a bleeder on it and was going to try bleeding the master and bleed that posting valvle and all 4 wheels agine and then see what happens ....i bought a reman mastercindler tonight from autozone bc it looks like its leaking where the rsorve site on the master .......as u can see am not that great at spelling so plase forgive me and hope u can make out what am saying thanks Bleed the master cylinder first, then bleed the rear brakes and the the front brakes. Bench bleed the master cylinder b4 installing it. Car Repair Talk's forum.