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  #1  
Old 05-17-2004, 02:19 PM
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ACC Mono Valve

Does anyone know where and how to replace the Mono Valve.. I have a 1998 W210 E430.. The left center vent is not working, well it is making a loud hissing sound...


Peter

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1998 Sport E430
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  #2  
Old 05-17-2004, 02:26 PM
carlo_salamone
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WHATS A MONO VALVE?
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Old 05-17-2004, 03:09 PM
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They control how the vents are opened and closed for AC and heat..

Peter
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1998 Sport E430
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110,000k Miles

1987 Oldsmobile Cutlass Salon
V8 Bucket Seats
Factory Moon Roof
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Old 05-17-2004, 03:46 PM
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Mono valve determines amount of hot coolant that is shunted to the heater core. I thought your model has a "duo-valve".

Vents are opened and closed by vacuum operated "pods" getting command from switchover valves which are in turn controlled by the climate control EC.
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Old 05-17-2004, 04:06 PM
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See that's what I need.. I need to know where and how to get and check these pods for the 2 center vents..

Peter

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1998 Sport E430
Azure Blue
110,000k Miles

1987 Oldsmobile Cutlass Salon
V8 Bucket Seats
Factory Moon Roof
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