I think the rubber is a is a silicone as are the cv boots. I repaired a silicone guard on a machine tool at work. I used blue silicone gasket compound. The trick was to get the rubber really clean with some good solvent.This would probably only be a temporary fix. I bought the 95 helms shop manual, and they show a method of drilling down through the 3 rivets leaving about 1/32 wall and stopping before drilling through. Then use a pin punch to break the rivets and install a new ball joint with bolts. Otherwise you would have to replace the whole lower control arm. I'm not sure, but Ford might sell the ball joint and the bolts as a kit.
