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Old 08-22-2005, 05:20 PM
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michakaveli michakaveli is offline
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Join Date: Nov 2002
Location: Columbia, SC
Posts: 1,719
Our '96 C220 also has the loud THUMP, it occurs at all times that the blower is working, AC on or off - although there is no water drop sound to follow. It driver me up the wall, but since everything works fine I have just left it alone.
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