ok so my 94 gt's brakes started acting up on me this week. the pedal wants to travel all the way to the floor. ok so maybe it's a master cylinder????? it had pedal after it sits for awhile then the more you push it the moreit goes down and eventually to the floor in ten times or less so i swapped the master cylinder today and in the process of bleeding i'm not gettin anymore fluid to my rear brakes what the crap is going on here?????? it doesn't even had much fluid at the abs box is it the proportiong valve or bad new master cylinder or what?

 

proportioning valve cloged not to sure on the spelling

 

so what do i need to do?

 

bump

 

I would start off by checking all your ruber brake hose's. Make sure none of them are kinked, swolen or damaged in anyway. You will have 3 of them 2 in the front and 1 in the rear right above the diff. May also take a look at all the steel lines, make sure none are damaged.