Notably loud noise from under the hood at startup

miketakkk · 08-11-2012, 11:07 PM

Recently I have been hearing a noticeably loud whirring/humming noise from the engine at startup. It would go for a while and then die down after a few minutes and it doesn't sound good, as if something is working really hard. The RPMs do not correspond with the noise.

I noticed today that I had the AC/air on when I started the car and then I heard the noise, but after I turned the air off to get a better listen, the noise settled down. So I turned the air back on and the noise seemed to start up again.

Any ideas? Is this normal? Thanks a lot guys!

miketakkk · 08-15-2012, 01:32 AM

bump! anybody?

08-11-2012, 11:07 PM	#1
miketakkk Second Lieutenant 22 Rep 279 Posts Drives: E90 Join Date: Mar 2011 Location: CA iTrader: (2)	Notably loud noise from under the hood at startup Recently I have been hearing a noticeably loud whirring/humming noise from the engine at startup. It would go for a while and then die down after a few minutes and it doesn't sound good, as if something is working really hard. The RPMs do not correspond with the noise. I noticed today that I had the AC/air on when I started the car and then I heard the noise, but after I turned the air off to get a better listen, the noise settled down. So I turned the air back on and the noise seemed to start up again. Any ideas? Is this normal? Thanks a lot guys! Last edited by miketakkk; 08-15-2012 at 01:31 AM..
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08-15-2012, 01:32 AM	#2
miketakkk Second Lieutenant 22 Rep 279 Posts Drives: E90 Join Date: Mar 2011 Location: CA iTrader: (2)	bump! anybody?
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