About the modulator: I replaced with a friend the modulator of his car. (W124 300E). We only replaced it and did not have to adjust it afterward. The trans shifted perfect. It should be on the right pressure from factory. Or: maybe we were lucky? But the problem with the transmission (slip) was gone.
I know the procedure says it has to be adjusted with a gauge, though.
Edit: I see now you were not lucky, so check the video.
This video was also very helpful:
I know the procedure says it has to be adjusted with a gauge, though.
Edit: I see now you were not lucky, so check the video.
This video was also very helpful:
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