I know there are other related threads out there, i have looked at a few of them through searching. the previous owner of my car used silicone to try and seal the windshield and heater cover cowls. After extensive cleaning it is hard to tell where, if any, a previous gasket resided. I have already purchased the grommet replacement parts featured in this site’s teg tips section, however i am unsure as to where they go. the only picture i have as refference is this: 
does anyone have pictures of the under sides of the cowls?