Thread: Clicking sound (relay?) behind instrument cluster of w210
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Old 03-12-2009, 10:37 PM
okc329 okc329 is offline
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Join Date: Feb 2002
Location: St. Louis, MO
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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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