I've found that 9 times out of 10, if you ever rotate the bolt after it has already stripped out, the threads are junk and retapping them the same size isn't going to help much.
Just step up to the next size and drill out the appropriate sized hole for the tap size. Nissan's thankfully used nuts with tons of extra meat on them, so this is possible in almost every location I can think of in the car on a welded nut on the frame.
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