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Old May 21, 2006 | 12:30 AM
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Default squeaky noise

what would cause a squeaky noise between 500-1500 RPM??
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Old May 21, 2006 | 02:01 AM
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Belt related?

You could remove your main belt and run the car, you could also remove the A/C belt to try and isolate the problem.

Since you have an UD pulley, you may need a new tensioner to stop it from happening.
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Old May 21, 2006 | 06:17 PM
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Its been squeeaking for about 2 weeks now and last tuesday, my belt broke. I put a new one on there and it still squeaking. Had a few people tell me belt tensioner, these hard to change? expensive?
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Old May 21, 2006 | 06:19 PM
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They are easy to change but cost about $85 from GM..... you need to find out if it is on your main drive belt or ACC drive.
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Old May 21, 2006 | 08:01 PM
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any tips on how to do that?
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Old May 21, 2006 | 09:08 PM
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The a/c system has it's own smaller belt with its own idler and tensioner pulley. You can crank the car up, make sure it's doing it, then kill the car, remove the main belt, and see if it stops.

If it stops, you know its the main.

If it keeps doing it, you can remove the a/c belt and repeat. You may also want to run over your idler pulley bolts with a wrench to make sure they are tight. My main belt idler pulley started SCREAMING on the dyno at HPE while getting tuned.






If I was getting a new tensioner, I'd get the Katech one.

https://ls1tech.com/forums/generation-iii-external-engine/501358-introducing-katech-s-new-design-billet-belt-tensioner-now-pulley-same-price.html

It's very easy to change as it's only held on by 2 bolts through the waterpump.

https://ls1tech.com/forums/showthrea...highlight=belt
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Old May 22, 2006 | 01:57 PM
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Heh, mine did the same thing on the dyno. It sounded like Unit's car. Perhaps I'll get a new tensioner afterall.
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Old May 22, 2006 | 02:25 PM
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I have plenty of tensioner's if anyone needs them!!!
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