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Stuck Front Differential Fill Bolt '14 Forester


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Hello Everyone,

 

A while ago, I did a drain and fill on the front differential, everything went smooth.  Going to do it now, the fill plug seems to be seized in place.  The allen head stripped out, so I hammered in an extractor.  The extractor stripped, so I drilled out a slightly larger hole and really hammered in a larger extractor.  This extractor stuck, but I couldn't turn it.  I put an impact on it, and it wouldn't turn.  I heated the differential case and it wouldn't move.  Sprayed some PB Blaster on it and let it soak, reheated, and it still won't move.  I tried some of that bolt freeze stuff, and it still won't move.

 

It's not the end of the world as you can shove a hose through the drain port and fill it until it runs out of the "full plug", but it's annoying at the least.

 

Anyone have any suggestions?

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