Door hinge grommets? ‘65 barracuda

I do try to be accurate. ;-)

Here is a photo from a driver side upper hinge on a '63, but models into the '70s that I have taken apart also used seam sealer.

You can see here how since it was applied as a thick fluid, (seam sealer) some squished out at the front & top of the hinge;

door hinge hole seam sealer.JPG