I just rebuilt my berkely Split bowl jg jet pump. it has a droop snoop with diverter. I have everything correctly hooked up to engine and pump as far as i know. But the pump will not pump out any water and the engine just runs dry. the pump will not pump any water what so ever. i had the boat on the trailer completely free floating in the water when i tried. no water comes out of the jet at all. what is going on, anybody have any thoughts. now i have everything disassembled and it all looks fine. is the wear ring impellor clearance off. or am i drawing in a crap load of air somewhere i dont know about.