ALDA as been mentionned here before by Wunter and I have asked where it was? I thought I had no ALDA on the pump. If I got one I could see if I can remove it ot test it.
Knocked the line of the switch over valve? I am lost there too? What is the switch over valve? Where?
Sorry but again its new to me and I learn as I go along.
Cheers.
Olivier

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E300TD year 2000. RUSTY SOLD
cost a fortune to maintain on the road
but run well on WVO
Second Merc died due to corrosion ( NOT rust) How can mercedes get away with that for so long?
Third lasted a month then went away...
Fourth now... Corroded too...