98 cummins 24v 5speed. 241dhd just rebuilt it was grinding and kickn outta gear. Found input shaft bearn was trashed I replaced it along with other bearns and nyylon plastic crap on forks. Still grinds but only in 2wd but not 4hi or 4lo. Im lost except for it looks like the planetary gear that slides over gears to engage 4wd is floating over and barely touchn 4hi gears. Also I put it in 2hi with linkage unhooked to seek if it was prob and still did it :argh. please help if u can.