Yesterday I worked on trying to find vacuum problems to alleviate the shifting and non-shut down issues on the wife's car. While I was at it, I took some pics, and these two things looked odd to me. First, there what looks like an open vacuum connection (nipple) on the round part in the picture. A), What is that thing?, and B) does that nipple need a plug or is there supposed to be a vacuum line attached to it?
Second, after looking at the vacuum valve for the auto. transmission, is there supposed to be a lever arm on that or not? With that pin sticking halfway out of the housing, it looks like one might, but I can't see anything that it would "move". Thanks for any replies. I may be getting ready to replace the shut off valve underneath them, and if there's something that will either keep me from having to do that or that needs replaced when I do that job, I'd like to know in advance.

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1951 Chevy 3100

2003 Indian Chief Roadmaster

1983 GMC 1 ton Dually

1982 Chevy 1 ton Dually, service body (sold)

'90 GMC Suburban 6.2 "SS Veg-Burban"
(single tank WVO\diesel conversion) SOLD

'81 300D ~ Mama's car...my job (now my car)(but still my job) SOLD

'83 300sd ~ rescue car SOLD

2005 Ford Taurus (Mama's new car)(NOT my job!)