Thanks, its been an ongoing fault which I visit every now an then hoping to find a solution.

1st and 2nd shifts are lumpy, valves (B1,2 K1) have been changed along with 3 ATf flushes , attaching aMytivac to the T piece (pump top) shows a rapid fall in vacuum to the modulator.

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David


1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)