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SQUEALING Pulley?

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Old Jan 10, 2008 | 09:02 AM
  #1  
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Default SQUEALING Pulley?

My 2000 6-speed convertible has an awful sqeal or squeak that changes with engine RPM. I do not think it is the belt. Has anyone else here ever had something like this happen in their 'Vette? I opened the hood and tried to locate it to no avail. Any ideas about what I am up against?
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Old Jan 10, 2008 | 09:43 AM
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Originally Posted by glerma
My 2000 6-speed convertible has an awful sqeal or squeak that changes with engine RPM. I do not think it is the belt. Has anyone else here ever had something like this happen in their 'Vette? I opened the hood and tried to locate it to no avail. Any ideas about what I am up against?
Yes! I did and it turned out to be my AC Tensioner Pulley as well as the Idler Pulley!

I replaced it and it is all gone now!

The pulley's bearings got dry and started to grind!

Take a can of WD-40 -be careful- and get down ther with the supplied traw and give the pulley bearing (center) a shot and the idler pulley a shot of WD-40.

Do not spray the wheel or belt - just spray the center as it will pull it into the bearing and quiet it down, which will be a temp soloution but will identify the culprit!

Thanks,Matt
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Old Jan 10, 2008 | 10:28 AM
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very common problem.. I did all my pullies at the same time along with goodyear gatorback belts
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Old Jan 10, 2008 | 10:34 AM
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Is this a labor-intensive or expensive repair?
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Old Jan 10, 2008 | 10:58 AM
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Sometime it IS just the belt. Replace that before you go spending any real money.

That said, mine had a recurring squeak and I ended up replacing every tensioner and pulley, but it kept coming back. It wasn't until I replaced the harmonic balancer that it quit for good.
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Old Jan 10, 2008 | 11:56 AM
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Easy to replace.
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Old Jan 10, 2008 | 12:49 PM
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Originally Posted by madmatt9471
Yes! I did and it turned out to be my AC Tensioner Pulley as well as the Idler Pulley!
One or both could be the culprit, bearings go bad.

Napa has stock replacements for ~ $15 and $18, as well as better than stock replacements for ~$17 and $20 respectively.
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