[QUOTE=Shiny;4070462]Jimbro,
that's what I did.. I think I went through 2 quarts of fluid
I wish I knew more, but somehow the m/c pistons must be independent for front and rear systems. If the front system was solid, and the back was all air, how would you ever feel the back soft effect if the two m/c pistons were tied together rigidly? The front would build pressure, the back would not, but you would only feel the solid front? Make any sense? This is why I am not sure plugging a single port at a time on the m/c is a good test. Maybe somebody with knowledge can clear this up?
The top half of the pedal is for the rear brakes and the bottom half is for the front brakes. Had a company truck (84 Ford Ranger) that I let one of my guys drive and he told me he was having problems with the brakes. Pulled the back drums and sure enough wheel cylinder blown. MC reservoirs (front full of brake fluid ---rear empty). Top half of brake pedal non existent, bottom half would skid front tires on hard application. Replaced wheel cylinder,drum and shoe. Bled system and bled system and bled system to get air out and finally brakes worked good as new.
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