Looking for help, or ideas.

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That would allow the UCA to walk back and forth in the mount.
wouldn't the off-center alignment washer prevent most if not all of that unless the bolt and washer was able to rotate and rotating?

Easy to check, put a wrench on the bolt head and see if the bolt -nut-off center washers rotate as a unit with less the torque spec (65 ftlb torque)

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