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View Full Version : Weird rattling noise from the middle vents


summit425
03-03-2009, 06:06 AM
hi guys

few days ago and today I kept hear weird rattling noise from the heater ventilation. I think it's the motor from the inside because even if I change the direction of air flows I still can hear the noise. (noise was like metal cutting.. or key cutting noise..)

my car is e46 coupe (from 2000) and I never had this kind of issue before..

Is there anything I can do about it??

j0nblayz
03-03-2009, 01:27 PM
does the rattling stop when you turn off your fan? if so most likely will be your blower motor bearings. I had to replace mine in my old e36, which was just the nastiest diy's ever. Never done it on a e46...

summit425
03-03-2009, 05:20 PM
does the rattling stop when you turn off your fan? if so most likely will be your blower motor bearings. I had to replace mine in my old e36, which was just the nastiest diy's ever. Never done it on a e46...

yeah it does stop when I turn off the fan..

I also think that doing this DIY is pain in the ass... :(