IF it was MY car I would get a used wheel carrier, bearing, hub flange assembly and replace all the links at the same time. While the wheel carrier is out you can take it to a shop to press in/out the support joint in the bottom of the wheel carrier. In the meantime, I would check the links to see if one is wearing against the subframe. I have seen it one one persons car so bad that one of the links actually wore a HOLE thru the subframe. The rubber bushings in those links wear out with time and climate and both are against you (1985 car & Toronto environ) - you're overdue to replace those parts & its unlikely that ANY are good unless they were previously replaced.

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Brian Toscano