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HVAC fan motor fluttering sound


nickf1011

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I decided to change out my cabin air filter the other day (which I had admittedly been neglecting to do). Ever since then, the fan motor has been making a light fluttering sound, louder as fan speed increases. It's not the filter flapping around (although that's what I thought it might have been at first), as it makes the same noise whether the filter is in or out. Any other ideas of something I may be able to address myself?

 

Not a killer, since it's barely audible even at full fan speed if I have the radio on, but still, if there's an easy fix...

 

2011 Sport with 77,000 miles.

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My guess is something fell into the ductwork when you changed the filter.

 

You could try dropping the blower motor - it should be right below the filter and only has 3 bolts and one electrical connector.

 

Thanks! I'll give that a shot.

 

Also a little disappointed in the chintzy way the glovebox door is connected. When I pulled on the elastic string to re-connect it to the door hook, the loop on the end broke. :doh:

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