Recently for no reason i can put my window down with no problem but it gets stuck around half way going up. I have to manually pull it up alittle before itll go up the rest of the way. any ideas?
 
most likely a bad regular, pull the panel and see what is binding.
1979 Impala Sport Coupe Aeroback
 
i have he panel off and from what little is visable it doesnt look like anything.
 
try lubeing your run channels with wet type silicon.
1979 Impala Sport Coupe Aeroback