Over the years, the steering on our 1984 3207 has been getting harder and harder to turn the wheel. I'm pretty good at mechanical stuff - I replaced both engines with GT40 marine engines several years ago - but I'm not sure where to start with the steering issue. I added air to the reservoir last year, which helped a little, but now it's worse than before. I've done a search on this site, but haven't yet found a thread that helps me diagnose and repair the steering. Our boat has an upper helm as well as one in the salon. Can someone point me towards a solution for the hard steering?