Thanks all and thanks very much Logan_Bob. I've been sidetracked with the purchase of a 95 s124 so the 190e hasn't been getting any attention for a while.

RE: pulling vac on the intake manifold. The mity-vac is a pressure gauge .. I'm not using it to pull vacuum, I'm just using it as a gauge, not sure how to describe it exactly but if you hook up the business end whatever vacuum is being drawn registers on the guage. Am I making sense? I'm not using it to pump any vacuum, that's for static lines to test for leaks, I'm just checking vacuum pressure.

I have new hoses for the ICV which I plan to install at some point. When I do I will just dismantle the whole thing up there and check on that boot. It'll make the installation of the hoses easier and allow me to poke around. Stay tuned.

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1992 190e 2.6