1966 Chrysler 300 – steering wheel shaft wobbles

Hi guys,
i have a Chrysler 300 1966 and i recently fixed the horn ... so i had to pull down the steering wheel.

Since that i noticed that my steering wheel wobbles and found out that the shaft is not fixed (anymore).

I found some plans here where there is a snap ring mentioned but there was none the time i remove the steering wheel.
Anyone an idea what happed?

I have the tilt and telescopic steering.

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Author: thpa