i need some help , gt 7710 cab tractor i am geting hyd. fliuld in the bell housing area i put selioniond on that makes dual power work an i ck the vale an it is not leaking what else is there in there that can be leaking i know it supose to be dry in there. it will leak 3 or 4 gallon in there real quick can anyone tell me whats going on .