[ video] Mustang making a whistle sound from belt / alternator area - MustangForums.com

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Old 06-04-2014, 11:23 AM   #1
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Default [ video] Mustang making a whistle sound from belt / alternator area

Recently she has been making a whiney noise from the engine. The video is below. I've had a suspicion that it may be the belt tensioner. The alternator was replaced just about 2 years ago so I don't think it's that.

If anyone has any ideas, please shed some light.

Thank you!

Mustang GT 2001 bullit whiney sound from engine: http://youtu.be/lsjAGRkX1ek
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Old 06-04-2014, 01:17 PM   #2
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Pull your drive belt off and see if it still does it, sounds like bearing or something in the idler or alternator. Possibly water pump.
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