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Old 07-29-2002, 03:11 PM
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Join Date: Jul 2002
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1991, 190E, 2.3 Hot air from the side vents

Hi,
From the central vents when the Air condition is running, I get cold air, but the side vents and top" defroster' blow very hot air, it feels that the car bolws cold and hot in a mix mode, the pushbotton controller seems to work or change positions, would this be a monovalve or does the 190e does not have a monovalve, or would the push contorller botons needs to be changed. anyone with similar problem. thanks in advance
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Old 07-29-2002, 08:10 PM
it leaks, its german
 
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
Is the heater control valve closing? Pinch off the heater hose the the valve and see if you get cold air from the sides. If so, check for either a vacum leak or a busted diaphram in the valve itself.

The valve is under the cowl cover on the r/h side, sometimes the vacum hose is routed under the battery tray and will be damaged by battery acid.


Joe
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Old 07-29-2002, 08:32 PM
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Location: Suwanee, GA, USA
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ANY vacuum leaks will cause this!
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