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Old 09-16-2013, 09:49 PM   #1
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Unexplained Sound from Engine Bay

2009 Honda Fit

Drive home, park vehicle in garage. I know I'm down on oil, so I pop the hood to check dipstick. I hear this humming noise. Similar to a defective balast on a flourescent light fixture. I thought nothing of it at first. I top up the oil and went inside. 4 hours later I check up on the car and the noise is still there. There's a deep freezer in the garage right in front of where I park, so I thought it was that. I unplug the freezer and the noise is still there. So, I phone a mechanic buddy of mine and he says it could be the relay to the air compressor clutch. I look for and find the relay........ damn, it's hard to get at. Anyway, I disconnect it. Still noise. I plug relay back in and run the engine. Unplug the relay and it's the right one, as the clutch stops working without the relay.

Thinking it might be the alternator, I decide to disconnect the battery ground. The feaking noise is still there.

I cannot tell where the noise is coming from, except it is in the area of the alternator and air con compresor. Without power, nothing should be be on, right?

I need suggestions............. tia
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Old 09-16-2013, 10:33 PM   #2
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Old 09-16-2013, 11:20 PM   #3
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Problem solved, thanks to yray's suggestions............ and possibly Lomac.
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"there but for the grace of god go I"
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Youth is, indeed, wasted on the young.
YODO = You Only Die Once.

"There must be dissonance before resolution - MG1"

I've got one hand in my pocket and the other one shows a "god bless" sign. Sung to this........... http://www.youtube.com/watch?v=gCINrgnKhfU

god bless sign is middle finder out with thumbs up.
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Old 09-17-2013, 12:02 AM   #4
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Old 09-18-2013, 03:21 PM   #5
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