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-   -   Clicking sound (relay?) behind instrument cluster of w210 (http://www.peachparts.com/shopforum/showthread.php?t=247368)

apb 03-12-2009 10:33 PM

Clicking sound (relay?) behind instrument cluster of w210
 
anyone knows what that noise is? It seems to only happen at idle and comes on every 10 seconds or so.

okc329 03-12-2009 10:37 PM

I'll venture a guess that ...
 
is one of the dampers in the HVAC system adjusting itself. The next time it occurrs, try varying the mode switch on the HVAC controller and see if it changes.


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