Sierra brake help
car is a 1989 1.6 classic
changed front discs an calipers to 4x4 twin cam calipers
put all on
tried to bleed
pumped a few times then pedal hit the floor but now wont stiffin up again?
put old caliper back on and the same
took off an pumped an its not even dripping?
plenty of fluid to an was grand before changing
any ideas