Unfortunally its already gone, you just put a little life in it. I think ur going to need a rebuild soon too.change your rear end oil and go to autozone and ask for the posi-loc additive or something like that... mine was doing the same thing and i did that and she workin like a champ now... thats just a little cheaper than rebuilding it so i would try that first
+1maybe.. but that life as been extended by 7 months already and she still goin strong.. so if you can postpone rebuilding a rear end for 7 months or more i think its deffinitely worth the $20 you will spend on oil and additive...