i put the axle under the truck last memorial day, like 9 months ago...i rebuilt the whole axle myself, i know when it was done n that it was done right, i used a manual, fish scale, the whole deal and a new rebuild kit from marlin...i've driven a truck w/ a broken birf before, mine def isnt broke...this sittin n waitin for the cars to get th hell out of the shop so i can get it apart is killin me...

im gonna say 90% chance its the upper trunion bearing having no grease in it....i filled the knuckle until the grease gun i was usin, ran out of grease...so i dunno it its full or not...im hopin thats all it is, cuz i wont have the time or $ to get a whole rebuild kit, i CAN get bearings, n seals n that through work(napa)....thanks for the advice anyways guys....