As soon as I pulled the new Schwaben out of the box, the old Craftsman started working again, but making a girgling sound while being lowered. More than once, it's worked fine for a tire rotation, but then not worked afterwards. That makes me think there's fluid, but it leaks to the wrong place with use, and then leaks back where it's supposed to be with a few week's or months of non-use. It doesn't drip anything on the floor, though.

18 year old rubber can never be trusted.