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Discussion Starter #1
This thing has never leaked.

I change-out the front diff. fluid a couple of weekends ago and the thing leaks clean fluid routinely now.

I’ve buttoned up the drain and fill plugs and have confirmed these are not the loss locations.

I can’t imagine that it’s been over-filled as only almost exactly one quart of new fluid went in as this volume was all it would take.

Anyone have insight into my WTF?
 

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The old fluid had probably sludged up the leak point (old seal or gasket, most likely). The drain and fresh fluid removed the sludge, found the weak link, and went through.
 
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