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      04-14-2013, 11:35 PM   #1
Sample
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Whirring Noise behind glove box

I've noticed that when I first start my car and drive around its silent inside the cabin, but just a little while later a constant whirring noise will start that originates from somewhere behind the glove box. The whirring will not stop until I turn the car off.

Any ideas?

Last edited by Sample; 04-14-2013 at 11:37 PM. Reason: clarification
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      04-14-2013, 11:44 PM   #2
Agentphish
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Blower motor is going bad due to rusty bearing/shaft. Use the search there is DIY that can help you replace. Some people also take it out and lube it with zoom spout turbine oil. Ace Hardware for about 2 bucks. I did it. Works fine. Takes about 20 mins.

Beats the $150 part.
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      04-15-2013, 12:15 AM   #3
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Quote:
Originally Posted by Agentphish View Post
Blower motor is going bad due to rusty bearing/shaft. Use the search there is DIY that can help you replace. Some people also take it out and lube it with zoom spout turbine oil. Ace Hardware for about 2 bucks. I did it. Works fine. Takes about 20 mins.

Beats the $150 part.
My noise is faint, not like that video. I can't really hear it unless its quiet and the volume is low on the radio. Would this blower motor be on even if I have my AC/Heater off?

Also, is this the DIY you're talking about? http://www.e90post.com/forums/showth...ghlight=blower

Thanks
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      04-15-2013, 01:16 AM   #4
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i have that same whine... but i notice it more on a decelleration when its quiet.
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      04-15-2013, 01:40 AM   #5
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Typically a lot of members hear a slight fan noise behind the stereo or ecu bay. There is a small fan that calls the ecu that turns on from time to time and I have learnt to ignore it. But it's more of a fan mmmmm noise rather than a whine....
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      04-15-2013, 02:24 AM   #6
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yep it's the little fan that cools the ECU
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      04-15-2013, 07:46 PM   #7
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Thanks for the info. Gives me a place to start.
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      04-15-2013, 07:58 PM   #8
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Yeah I hear that fan noise as soon as I get in my car before I even start it or even put the key in. I here it coming from the idrive area. It sounds like a fan. It does turn off after a while of sitting in the car without opening the door or moving any controls, but as soon as I open the door you can here it again. It's weird.
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      04-16-2013, 08:23 PM   #9
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I just noticed this exact issue. It sounds like it's coming from behind the stereo. Is this an issue that has to be fixed? It's weird because all winter long I didnt' hear it. Today was 80 degrees, and it's the first time I've heard it. Is this normal?
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      08-07-2013, 07:33 AM   #10
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I have been ignoring it, but from time to time it does bother you when all you want is total quietness.
Went to a dealer today and they told me it is the fan for the ecu, asked if anything can be done , he said "nothing to worry about, the fan is part of the main computer and the whole unit costs a couple grand, i wouldn't touch it"
asked if i can at least take it out and clean it or lube it, he said no!

If anyone has found a solution (affordable) for it, plz share!!
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      08-07-2013, 07:46 AM   #11
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You know what? This could very well be my issue too!
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      08-08-2013, 09:34 AM   #12
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Mine does it too occasionally after I've been driving for a while.
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      09-04-2013, 01:01 AM   #13
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If it's the AC blower fan, I have solved this issue by changing my windshield wiper fluid. Empty the old fluid by using the windshield wiper sprayer and then fill the windshield wiper fluid with the orange [all winter/low temp] fluid. The car takes more than one gallon but less than two gallons. Then mess around with the AC blower fan speed setting until it doesn't make noise.
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      09-04-2013, 01:09 AM   #14
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There is a small fan that calls the ecu that turns on from time to time.
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