71 k10 dana 44 help

[ooimpalaoo]

ok so i have a 71 k10 with a dana 44. my axle shaft u joint broke and the shaft was done...got a new shaft installed a new u joint. put the shaft in all go so far. then when i install the spindle and tighten the bolts down the shaft wont turn by hand like the other side. put a pry bar in turned it, but its not right . lets the bolts off shaft is all good again...what is going on??? the dust shield goes on after the spindle does it not ? ive looked at lots of dana blow aparts and the show the dust shield going on after the spindle. am i wrong? what is going on here??? i need help and thanx for it.... ok so my dust shield was def on after the spindle... what am i doing wrong?