Wow, upper control arm sounds like a very large, expensive part.

I was thinking it might be a something like a tire rod or an idler arm.

I will raise the front and shake the tires to see if there is free play. What am I to do if there is some? What if there isn't?

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1984 300D Turbo
1980 300SD Sold
1983 300TD Sold
Dagger 16 ft. Legend Canoe (for the weekends)
Marin Northside Trail Mtn. Bike