QUOTE(vladSTer @ 14 Dec 2009, 04:00 PM)
<{POST_SNAPBACK}>hopefully this is one off
was it clunking when already in gear?
If driven with a 'light throttle' the noise was not apparent as the teeth continued to mesh normally somehow? - if you floored it it the diff started banging as the teeth missed/jumped out of mesh.
The magnet in the bottom of the box was also a large mass of metal filings