Diesel911.
I also just read your response here.

http://www.peachparts.com/shopforum/diesel-discussion/317678-replaced-delivery-valve-seals-w124-300d.html

Do you know which PUMPS 98 E300 Turbo US models have? the Bosch part number is 0 400 196 033.

I think I need to push in the pin you pointed out on that thread. What kind of force they would take? very smooth, smooth, or little hammer ticking?