Tips on removing the fill bolt out of the differential

What is your question?

Looks like it's been in there since 96. I'm trying not to give in to one of those lube joints for such an easy DIY task. I know I can remove the cover and put a new gasket on too, but at 195,000 miles it seems like unnecessary labor for me.

What makes this problem better or worse?

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How long has your 1996 GMC Jimmy had this problem?

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