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Registered
1998 230 slk
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109 Posts
Discussion Starter · #1 ·
Replaced change over valve behind glovebox. The valve is still whistling. Any ideas? Can I diconnect these hoses (2) or just unplug it. Thanks
 

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Registered
1992 300CE
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667 Posts
Over valve? Whats this peice? Does it whistle when you go over minor bumps? I have something whistling in my car when im driving along an uneven road. Vibrations causes it. Is this the same thing?
 

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Registered
1998 230 slk
Joined
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109 Posts
Discussion Starter · #3 ·
It whistles when I have the car idleing or driving. This valve is behind the glovebox. If you were changing your cabin filter you can kinda see it. Had to remove entire passenger side to get to it. The whistle stays on from 2 to 10 seconds. Will make every dog in the neighborhood cry. I think this valve has something to do with the a/c re-cir. When th a/c or heat is on the lowest position, whistling stops. It has two hoses attached to it and an ele. plug. Any Ideas?
 
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