My HVAC fan made a squeaking noise on the low settings. They replaced it, and it now makes a knocking noise. So far it's one item replaced for free... but it needs to be one item replaced twice.
On my '98 L I had the same squeak, but Kirkland Subaru told me it was leaves in the vent system (
) and they'd have to charge me to fix it. But they did flush the tranny/diff when the grease melted and ran out the splines onto the exhaust.
All in all... two cars, three "problems", 60k miles... not bad I'd say.