Hey guys really appreciate the responses and yeah sounds like a bearing!!!
Spoke to the WA Diff Centre and as I have a oil leak only on the left where the steel tube sits in the centre diff housing he said sounds the seal is stuffed and what happens is the diff oil washes all the grease out of the wheel bearing and Wula!! stuffed bearing!!!
Has quoted 350-450 depending on bearing cost. going to do it,as well, I just finished pulling the whole rear end out so now it is his turn and also I don't have a bearing press!!!
Thanks again for your advice..