The rear window glass moves on my 87. How do I seal and secure it?
Do you mean the side quarter windows or the rear back glass?
rear back glass
Window must have been replaced at one time. The exterior moldings are for looks only. The glass is held in with sealer. A thin wire is used to cut it out and remove glass. Old sealer must be completly removed. It's best you find a glass shop to repair as breaking the glass is very easy.