Just thought I'd add my recent experience to this thread... I have an '06 Legacy wagon that I'm very fond of (many suspension mods = fun to drive) and have taken good care of for 166k miles. Living here in Maine, I dutifully took it in about a year and a half ago (at 151k) for the brake line recall. At that time they pronounced the brake lines sound, coated them with the infamous goop, and sent me on my way.
Fast forward to yesterday, had my car at my usual shop for a new wheel bearing, and he tells me the rear brake line is rusted out, leaking fairly badly, and a definite hazard to drive until fixed (estimate = $600-800.) (His exact words were, "Well, one hard stop, and your brakes will probably be gone.") So this morning I dropped by the dealership where the "safety recall" "work" was done and advocated that, really, they should replace the brake line.
They disagreed. They said the recall was just a one-time inspection: if the brakes were not leaking at that moment, their job was done (oh, except the magic goop) and they had no further responsibilities. The manager on duty did say that in these situations they cover the cost of parts, but I'd have to pay for the labor (estimate: $1,200.) I argued that their "anti-corrosion" treatment was obviously not successful (what life did it add to the brakes? Maybe 5K miles??) and that if there was a known, advertised, and RECALLED FOR design and safety defect in the brake system (of all things), then it shouldn't matter when or how it finally came to the point of dangerousness, it should be addressed.
They still disagreed and clearly were not going to change their minds. And obviously I can't live without brakes. So I have scheduled my mechanic to deal with this (though he doesn't have time for 2 weeks...) I figure I'll write a letter to the dealership manager, and to SOA, but I'm not optimistic and obviously I can't wait around. Happy to hear any suggestions on a better approach.
BTW, I agree with some of the above comments that, hey, any car could have brake lines rust out at 166k. So I would make no deal about this at all, if it were not for the existing recall. Hell, I feel like I wasted several hours of my life two years ago going for the "inspection"-- what was the point of that, if not to ensure this eventuality (or worse) didn't befall me? Plus, this is my 3rd car to get to that milage, and the first to have a brake leak... maybe I've just been lucky, but I don't think it's a coincidence.