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  #1  
Old 06-14-2002, 03:40 PM
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Join Date: Mar 2002
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Angry Climate control fresh air door????

Can someone tell me how to (and where) to check and see if the "fresh air door" is closing on my 89 300CE?

I have the Mercedes CD and can't seem to get an idea of how to check even if I remove the dash etc like in the diagrams.
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Old 06-14-2002, 04:27 PM
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Location: Gainesville FL
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Pull the vacuum line from the switchover valve and pull a vacuum on it. If it holds it is probably OK. The fresh air door elements are numbered 42 and the switchover valve assy is y7 and the full stroke switchover is #2.
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Steve Brotherton
Continental Imports
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Bosch Master, ASE Master, L1
33 years MB technician
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  #3  
Old 06-14-2002, 04:50 PM
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Thanks Steve

Thanks Steve. Is that diagram on the Mercedes Service CD? I don't seem to remember it. Perhaps I just skimmed by it.

Thanks
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Old 06-14-2002, 05:42 PM
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Maybe a little bigger.
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Climate control fresh air door????-ac300ce.jpg  
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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