Hi all. Just got a sweet 85 gt with 26,000 original miles. Never been driven in the rain and always garage kept. The passenger side door post nut and holding bracket is missing. the post is stuck in the hole but can be pulled right out. There is an extra washer and a nut on the threads of the post, but it doesn’t hold it in the hole. Is there any way to fasten the post pack on the jamb so the door will close properly?