That scenario happened to me. I too thought the hole threads were stripped. When I got the broken part of the bolt out ( Just spin it with a pick or small screw driver) the threads were fine. Because the bolt is hollow with a magnet in the void, the head was spinning making me think the threads had stripped. I just purchased a .89 cent bolt that has the same style head design as the fill plug. I change my final drive oil every spring so I am not worried about not having the magnet.
ABSOLUTELY!. It will be ground up by the crown & pinion and with the small amount of oil in the bevel box will be become a “grinding paste”. Only way that I found to remove it was to dismantle the diff…..that’s after spending hours trying to “fish” it out with a heavy wire. Once you get it apart you will see why you can’t “fish” it nor why you would leave it in.
ABSOLUTELY!. It will be ground up by the crown & pinion and with the small amount of oil in the bevel box will be become a “grinding paste”. Only way that I found to remove it was to dismantle the diff…..that’s after spending hours trying to “fish” it out with a heavy wire. Once you get it apart you will see why you can’t “fish” it nor why you would leave it in.