Tranny leak help

[cpisani70@aol.com]

Today I decided it was time to find the source of my tranny leaks. It's a 71 C-20 402/400 that is my daily driver and a steady work in progress. So one leak is coming from the speedo cable area ? The other is coming from the vacuum operated piece on the pass side just above the pan? So it looks like that part is held on by a retainer clip and I was thinking of trying to take it out and maybe find an o ring but would like some guidance... Also what is the correct part name and should I replace it , it shifts fine so I am worried about replacing it and the tranny not being the same?
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