Perhaps it is to late in the night so that nobody gave help. My bad luck.

I disconnected part A from the from of the firewall and stuffed A (pic) I suppose the coolant flow if from A to C, D right?

Provided A is well blocked, am I safe as long as I don't turn on the heat, that means I will turn the inside temp all the way down?

Hopefully I'll get answer for that question.

Thanks a lot!

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1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE