On Mon, 22 Jan 2018 19:11:58 +0000 Rick Knoble via Mercedes
<mercedes@okiebenz.com> wrote:
> Craig sez:
>
> >The best way is to put in a blocked-open >thermostat, otherwise you
> do not get full >flow through the radiator
>
> See the attached pdf file.
> Especially steps A. 2. And B. 6. (and everything in between) :)
I saw the PDF attached to your posting to the list after I sent my email.
As I said in the second posting,
> Here is the pdf file. On page one step A.2. It says "remove
> thermostat". On page 3 step B.6. It says "install coolant
> thermostat with new sealing ring (20-10)". This is for OM617
> engines in 123, 116, and 126 chassis cars. I do realize Marshall
> was adamant about blocking open the thermostat. In this instance,
> he was contradicting what the manual indicates, in other words,
> wrong.
Well, what do you know! I stand corrected!
I also attached the 20-015 for OM60x engines to back up your comment
about them needing the blocked-open thermostat.
Craig
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