i blew my front end and re building the whole front axle i bought longfeilds and i cant get the birkfeild in the axle housing i put the axle in by its self and it goes in fine and when i put the birkfeild in by its self it goes in fine but when i have the birkfeild and the axle together it wont go in it looks like its hitting on the bottem but its hard to see somone please help im gona smash this thing