Repairing a older style rudder port

[torch]

Any chance my model does not use snap rings? I don't have it in front me of me but the only thing in the housing was two o rings to the best of my knowledge.

Also, still trying to figure the purpose of this small pinhole that the grease came out of. It is on hull side near where rudder shaft gets inserted. It is not the grease zirc. That goes on engine side. I'm thinking it is just a grease relief if it is too full. Concerned however this setup would allow water into the housing


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