I had saved this link, http://www.peachparts.com/shopforum/diesel-discussion/281695-w124-climate-control-vacuum-valve-repair-diy-4.html, to my favorites in case I ever needed it for future reference. Well, I needed it today, but the pics are dead. Does anyone have a diagram of how the coolant flows through the heater core in a ‘95 E300? Thanks!

Yeah, I'm in the midst of a monovalve repair myself. I pulled the solenoid off to rewind the magnet wire only to have the spool disintegrate on removal. So now I'm talking with Bosch Auto Parts folks as well as trying to find other Bosch heater control valves that might have the same spool. I struck out on the monovalve from a BMW X3, almost identical in the solenoid... but just not.

So I'd love to find a way to hack this system to replace the components with items more readily available and less expensive.

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'85 300TD "Puff The Magic Wagon" - Rolling Resto
'19 Mazda CX-9 Signature - Wife's sled
'21 Morgan 3-Wheeler P101 Edition
'95 E300d - SOLD
'84 300TD "Brown Betty" - Miss this one
'81 240D "China Baby" - Farm grocery getter