2001 Mercedes Benz ML320 blower noise

2001 MERCEDES BENZ ML320
119,000 MILES • 6 CYL • 4WD • AUTOMATIC
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ARM023
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when the temp setting is at half or less a continuos loud almost thumping noise comes from the dash. when the temp is set to above half or more (ie the heat is now coming through)speed it goes away.this is not good for living in florida!
Feb 8, 2009 at 1:20 PM
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GFIMOTORCARS
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It sounds like you have something in the blower motor cage. This happens time to time and usually either involve leaves and debree or small rodents getting caught in the "squirrel cage" potion of the blower. It will be necessary to remove the blower to get the debree out of the blower.
Feb 22, 2009 at 1:00 AM