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Duo Valve Diagnosis

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#1

Old

07-17-2007, 02:28 PM

kopee

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Duo Valve Diagnosis

Does anyone know how to diagnosis at duo valve. looked on alldata but info is inaccurate.
mike

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#2

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07-17-2007, 03:24 PM

mbdoc

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what model what year??

On most MB's that valve is closed by applying a ground signal from the controller. Power should be there with the key on.

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#3

Old

07-18-2007, 08:08 AM

pcmaher

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http://v12uberalles.com/Rear_AC_System.htm

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