Harvey the calipers are marked left and right! You describe the results of installing them backwards!!! It is a common firstimer problem.
Check again the air relief should be at the zact TOP of each caliper.. If installed on the wrong side there is air ABOVE the relief that cannot be purged..
Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />

professional bovine relocation specialist