Some of you have dealt with this little annoyance, and I have found a perfect solution.
When doing a full restoration, or at least the full interior, you often have to replace the head liner and the A pillar vinyl, as well as the vinyl trim that goes across the top of the windshield where the sun visors and rear view mirror mount.
While I won’t discuss the pain of installing these items, what I have found is even more of a pain, is finding the nine M5 threaded holes to put the visor and mirror mount back in. All that fresh painfully installed lovely vinyl, and 9 secret little holes you have to find to poke holes through. Get out the pokey thingy of your choice and start poking until you find them.
If you put some kind of thin foam behind the vinyl like you’re supposed to, those damn holes are just a nightmare to sleuth out.
Not any more!
I put some nice long M5 grub screws in the nine threaded holes, THEN do the upholstery. Then finding the tips of them sticking out is easy! Make little “X” slits to expose them, grab your M3 hex key, back them out and screw in the visor and mirror mounts. Five minutes each! Easy peasy.