I'm not really sure what I am looking at, but it looks like the arm that attaches the steering box to the rest of the steering linkages. There are splines exposed. I have not touched it, just noticed it today. There's no corrosion, and it doesn't look like it has moved recently. No steering issues to speak of. Is this normal?

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition