the problem started when my brake peddle was hard to push down, i checked my front pads and changed them, the problem continued, i bleed the brakes and suddenly there was no fluid left in the lines, master clinder was full, no i have no brakes and when i pump the fluid will not go into the lines but everything seems fine...(booster, master cylinder, lines) if anyone had this problem or can help please let me know thanks

 

bleed from where the master cylinder lines go into the abs unit( just crack the line loose like you were opening the bleeder valve)...then do the same with the lines coming out of the abs unit.....then open up all the bleeders at the wheels (gravity bleed) let it sit for a few till fluid starts coming out by itself....if no fluid comes out of one or more wheels,the rubber lines goin from the frame to axles can wearout on the inside and act like a check valve, so if they look bad u may want to replace them..and if the fluid does come out, close up the bleeders and bleed the system as normal again
hopefully that makes sense

 

Ya that does actually make sense. Ill try that and hope it works. Thanks for the help. Ill keep you posted