Diff wear

[northerner]

Anyone any good at rebuilding these or helping to figure out what to change. Over the last year mine has become a bit more clunky when changing down ie like on a roundabout but has no bearing noise. I got a spare and fitted it but this has less clunk but has bearing noise when accelerating. I've looked at the diagram and it seems that you can change the shims etc but looks like a specialist joby