Good news bad news on my vaccum modulator.
First I couldnt see it
Then I pulled the hose off by accident and went in to panic mode.
Then I got the hose back on in the dark with short fingers (Miracle)

Good news is I adjusted my vaccum modulator 2 clicks counter clockwise and its a huge improvement. Almost like a new car. Nobody would notice a problem

Bad news that I need advice on.
1) The cap on the modulator disappeared when I took it off. Do I need to buy a replacement? Where do they sell them? How urgent is it?

2)The t adjustment fell out. The car drives fine with it out but if I get a new cap I will put it back in.

3) In order to get to the modulator I had to disconnect some electronic wire harness clipp. The clip is fine but it had a rubber gasket that broke apart. Do I need to replace the rubber gasket? How important is it?

Thanks in advance you guys are great!

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1993 Benz-190E-2.6 liter