Last weekend I got a chance to look at the right rear wheel of my 95 Legacy, as people here suggested, I checked the CV boots, but seems they are not broken. I also took the hub cover off, and the clicking noise is still there, so it's not hug cover's fault either.
I don't have a clue on how to check differential / bearing, do I have to realse the parking brake and turn the wheel, so that I can reproduce the noise?
Another question is: what are the differences between differential noise and bearing noise? My case is that it will come if I was driving on a rough road, and it will disappear if the road condition is good.
Thanks in advance.
Sam