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weird c6 idle squeak

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Old Mar 2, 2016 | 12:08 AM
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Default weird c6 idle squeak
Hello,
So today i start the vette to go to work and car starts making a weird squeak. I didnt think much of it as it was very faint and not constant. Once out of work i started messing with it some more. Its not continuous and i took off belts so its not a pulley. I kno car has a exhaust leak but this noise is new. Car is a cam only car with longtubes and off road x pipe btw. Below is a short vid that captures the squeak. Any help is appreciated

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Old Mar 2, 2016 | 10:33 AM
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Could this possibly be a lifter getting "stuck"?
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Old Mar 2, 2016 | 12:16 PM
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Harmonic Balancer ???
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Old Mar 2, 2016 | 01:36 PM
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Originally Posted by Not So Fast
Harmonic Balancer ???
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Was replaced 5k ago along with arp bolt.
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Old Mar 2, 2016 | 02:15 PM
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You'll have to try to localize it more to get an idea of what it could be.
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Old Mar 2, 2016 | 02:28 PM
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Yea at first didnt think much of it due to thinking it was just a pulley now im thinking it might be a lifter and not sure if i should park it till i figure out for sure wat it is.
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Old Mar 2, 2016 | 04:32 PM
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Originally Posted by aAZz
Was replaced 5k ago along with arp bolt.
With another GM HB ?? Or after market?
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Old Mar 2, 2016 | 05:41 PM
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Originally Posted by Not So Fast
With another GM HB ?? Or after market?
He ran it without the belts on and still had the squeak.
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Old Mar 2, 2016 | 06:30 PM
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Originally Posted by Curt D
He ran it without the belts on and still had the squeak.
Didn't see that
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Old Mar 2, 2016 | 06:58 PM
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Yea ran it without belts still made the noise. Drained all oil and cut open filter and no metal shavings either so ruling out a spun bearing for now.
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Old Mar 2, 2016 | 09:16 PM
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Well that's just weird, sure sounded like belts didn't it??
Good luck
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Old Mar 2, 2016 | 10:18 PM
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Yea I ended up draining oil to check out oil filter for metal shavings and found nothing so decided to switch to Rotella diesel oil as a couple of my buddies use it on their race cars and it went away. Keeping my fingers crossed
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Old Mar 5, 2016 | 07:43 PM
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To me it sounds like metal rubbing against metal. Have you had the car on a lift with the engine running? Header tube rubbing?
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