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Rattle noise front of motor

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Old 12-02-2009, 07:51 AM
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Rattle noise front of motor

I have a rattling noise that sounds like it is coming from right in front of the motor... It sounds like a pulley rattle like one is going out but I can't tell which one it is... Idler... Alternator... etc...
Anyone else have this issue?? Or a guess?? Or a way to diagnose it without putting my hands or other limbs in harms way?

BTW >> 08 6.7 with 50K miles and yes I have changed the oil.... Maybe it is the sparkplugs...lol
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Old 12-02-2009, 12:58 PM
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Try putting slight pressure on the injector lines, could have a loose dampener, although it's usually one of the ones in the rear (#5?) that gives people trouble.
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Old 12-02-2009, 02:42 PM
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Anything else it could be??
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Old 12-02-2009, 05:47 PM
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water pump
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Old 12-02-2009, 07:18 PM
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I am thinking it could be the fan clutch... Has anyone heard of a fan clutch going out on these motors at 50K?
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Old 11-25-2017, 01:04 PM
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T

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Anything else it could be??
Turbo
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Old 11-25-2017, 06:54 PM
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Take the serpentine belt off and try each item by hand. Anything else is just random guessing.
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