94 220E Hot Air From Dash Vents & Dash Hot to Touch - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 09-23-2007, 08:27 AM Thread Starter
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94 220E Hot Air From Dash Vents & Dash Hot to Touch

About 3 weeks ago & suddenly hot air began to emit from dash vents ( without blower engaged) with dashboard warm to touch. Operating AirCon on cold reduced the heat. Now air emitted & entire dashboard is gradually getting even hotter. AirCon on cold has no effect. Any advice as to likely cause of problem & solution most welcome. Many thanks in advance
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post #2 of 3 (permalink) Old 09-23-2007, 10:04 AM
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Originally Posted by W111MercMadamoiselle View Post
About 3 weeks ago & suddenly hot air began to emit from dash vents ( without blower engaged) with dashboard warm to touch. Operating AirCon on cold reduced the heat. Now air emitted & entire dashboard is gradually getting even hotter. AirCon on cold has no effect. Any advice as to likely cause of problem & solution most welcome. Many thanks in advance
Monovalve or duovalve, what ever you have?
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post #3 of 3 (permalink) Old 09-24-2007, 05:52 AM Thread Starter
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Thanks Diesel Benz. Did a forum search of duovalve which revealed a wealth of information including similar problems unfortunately encountered by other members.
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