My ford f-150, 4 double piston disc brakes and abs (yr-2000, 4wd) when stopped with pressure on brake pedal starts to creap forward when in drive. Changed primary and secondary lines at master cyclinder. Changed master cyclinder three times and also front calipers and pads. It still creaps forward. Next i'll be changing rear calipers. I feel i'm still sucking air from somewhere or there is still air in the system which I can't get out. I've gravity bleed, vacuum bleed and the 2 person, pump it up 6 times, keep pressure on brakes and open up line routine. With enging off and also on. Whats going on ----please let me know----. Vin#1FTRX18WXYNA26038.
Friday, November 26th, 2010 AT 12:51 AM