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Whining noise?

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Old 03-14-2009, 10:23 PM
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Default Whining noise?

I just bought my 03 1500 4.7 with 97K miles.This is the first Dodge I've had since my 87'.I know many different makes have there own specific sound.Mine makes a whining in the front of the motor.My first thought was water pump.Any thoughts anyone?
 
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Old 03-14-2009, 10:44 PM
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I would say the alternator or one of the pulleys. There is one tentioner and 2 idler pulleys if I remember right. Mine was doing that and I found a idler pulley bad and my alternator had a bearing going in it. Hope this helps.
 
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Old 03-14-2009, 10:48 PM
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It's hard to say, it could be anything. Use a stethoscope or a long screwdriver placed between each component and to your ear to see where the sound is the loudest. Of course be careful of the belt... Check the pulleys, alternator, water pump, a/c compressor, and power steering pump.
 
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Old 03-14-2009, 10:53 PM
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I used a screwdriver on the compresser and alternator it didn't sound loud.For a second i thought it might be the compresser clutch.But I don't know.
 
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Old 03-15-2009, 10:12 AM
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most likely an alternator. mine did the same thing, i think it sounds like rubbing two symbols together in a circular pattern, does it get alittle louder when you accelerate?
 
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Old 03-15-2009, 11:12 AM
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Fan clutch also a possibility. Does it do it when it is hot or mostly when cold?
 
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Old 03-20-2009, 10:34 PM
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Bear you were right.I replaced the tension pully and replaced the belt and the noise went away.thanks for everyones info.
 
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Old 03-21-2009, 12:52 AM
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No problem glad we could help
 
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Old 03-21-2009, 01:22 AM
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Originally Posted by kevin03 View Post
I just bought my 03 1500 4.7 with 97K miles.This is the first Dodge I've had since my 87'.I know many different makes have there own specific sound.Mine makes a whining in the front of the motor.My first thought was water pump.Any thoughts anyone?
Pulley bearings... Idler I believe, or atleast thats what was mine.... It sounded like a super charger when I stepped on the gas. quick fix, costs around 30 - 40 if ya do it ur self.
 
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Old 03-21-2009, 01:59 AM
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I'd go with the Alternator!
 
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