I need help. Every gear is grinding under 40 mhp during accerlerating and deceleration. I don't know what the hell it is...maybe tranny maybe half shaft?

I noticed that the clamp on the passanger side half shaft had broken off and all the grease was all over the bottom of my tranny, but I packed it full of grease again and sealed it again...the bearing looking fine but could it be the grinding?