Humming sound on cold days

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Old 01-13-2010, 07:36 PM
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Three Wheelin'
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Humming sound on cold days

So, every morning i start my car around 9:30 AM when its around 32 degrees outside. There is a humming sound that i can very clearly hear from inside the car. when i open the hood it is coming from the area where the timing belt and alternator are. when i turn the wheel the sound gets louder. does anybody know what might be the problem. when i first start the car the idle is around 1200 or 1300.

Today i let it sit there to warm up and every couple of seconds the car vibrates, i feel it in the seat, and on the brake pedal. if this helps any or if this is normal for cold days.
Old 01-13-2010, 08:01 PM
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Sounds like a power steering issue: low fluid, bad o-ring, etc. Check the other thread "Weird noise" for fixes.
Old 01-13-2010, 09:23 PM
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Agreed, sounds like the power steering TSB. Most likely the O-ring on the pump inlet, also check the inlet hose for any cracks. Easy fix if you do it yourself.
Old 01-13-2010, 10:37 PM
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yeah, I will swing by the dealership and pick up the o-ring tomorrow; thanks for the quick response.
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