I checked both side, and did not see any marks on the lock ring, however I put it back on with a little bit more force than it took to take it offThe preload nut controls bearing preload. I spun my preload nut and lock ring down to my marks and reassembled. I didn't realize I needed to keep spinning the preload nut two or three more times before it was truly tight. I had a fully 70* to 80* degrees of play in the steering wheel after it was fully rebuilt and installed on the truck. I had to remove, drain, disassemble and spin the preload nut and lock ring tighter to the marks.
The lock ring doesn't control tension but all three should have marks and they should line up. Are you sure you didn't mark the lock ring? Without proper tension from the lock ring, the preload nut could back off and cause excessive play.
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That is also the state my rebuild is in right now