I didn't replace anything. I did study the steering box, and I saw that turning the shaft, there was delayed movement on the arm going to the steering linkage. So there was obviously some room for adjustment, despite other possible worn parts. Still, I have about 1 inch of play at center.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma