Hi I added a post a few days ago,about lower unit leaking gear oil above trim tab at joint where the gear case bolts to the leg.I took it out the other day with new gear oil and plug screw compression washers.came home,and had some water in the oil.drained refilled last night,now it is'nt leaking.why is it not leaking out now,when it was leaking in a matter of a couple hours last time I renewed the oil.what is going on DAMN IT ????? HELP