Well, I finally did receive the ACC servo for the old '80 Benz 300D.Next to it ,on the same bracket, is a little electric WP(water pump).which was frozen.

I thought this was the "monovalve"..


The armature looks ugly and burned out - all black, very, very high Resistance. There is continuity between two segments - for motor starting ????.. All I have now, IMO, is a fancy screwdriver magnetizer.

So, I will omit this for now and try the servo sans WP.

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Adrian
'80 Mercedes 300D ..sold..
two Diesel VW caddies, old ones ..sold..
'96 Saab 900S

There is an old thread on rebuilding the auxiliary water pumps. If you do a search I'm sure you can find it.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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