So do the vacuum only trans models have any adjustment, or is it all governor and modulator controlled?

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'84 190D 2.2 5MT (Red/Palomino) Current car. Love it!
'85 190D 2.2 Auto *Cali* (Blue/Blue) *sold*
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The vacuum modulator has a bit of "adjustment" but most of the trouble seems to be reported to be because of the valve on the valve cover - i.e. the vacuum going to the dashpot. As always (and perhaps a bit more for the vacuum only) the hydraulic pressure measurements are really important. If these are not correct then you've got no chance of getting the transmission to operate (correctly) from the vacuum signal.

The earlier versions of the 722.118 and 722.117 have a screw that changes the modulator(?) pressure at the place where the vacuum dashpot sits on the later models and there's also the often incorrectly named "Bowden rod" or accelerator linkage that gives "throttle" position information.

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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

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