Big bolt and flange nut clamps the alt so along w/ small bolt can't move.
Replacing bolt nut or both must = same.
Likely have hard time finding the nut. Use washer and Nyloc nut.
Or go to junk yard and get OE hardware.
W/ OE hardware... Could drill a small hole in bolt then use wire so if nut even gets loose a of wire will it on the bolt.
But I don't remember if bolt is Class 10.
9 etc... Harden bolt is hard to drill.
------------------Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)The Ogre's Fiero Cave
[This message has been edited by theogre (edited 01-07-2022).]