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Old 10-15-2012, 04:06 PM   #1
Iraqvet05
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Default belt chirp...tensioner?

I replaced my alternator a few months ago and picked up some belt chirp...same frequency and indeterminacy regardless of the RPM. I did find a loose alternator bracket bolt and tightened it but the chirp is still there. While looking at the tensioner, I noticed some deflection in the pulley when I pried between the block and the pulley even slightly....time for a new tensioner or is that kind of play normal?
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Old 10-15-2012, 04:35 PM   #2
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Default Re: belt chirp...tensioner?

Put a few drops of brake fluid on the belt and see if it stops. Keep it off your paint though!
The idler has a very common bearing that went bad on mine that made a squeak when cold. Very simple to change. Like $4 a Napa. The tensioner has that same bearing as well. If the back of the belt has a gloss look at all, it maybe time to just change it.
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Old 10-15-2012, 04:41 PM   #3
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Default Re: belt chirp...tensioner?

The belt isn't too old but it's hard to tell when a serpentine is bad...not nearly as easy to see as the old V belts. I did hold a bar of soap against the splines and so far the chirping has stopped but I'm guessing only temporarily. The idler pulley also has play in it...I may try to find bearings for the tensioner and idler.
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Old 10-15-2012, 08:16 PM   #4
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Default Re: belt chirp...tensioner?

Quote:
Originally Posted by Vulcansat View Post
...The idler has a very common bearing that went bad on mine that made a squeak when cold. Very simple to change. Like $4 a Napa. The tensioner has that same bearing as well. If the back of the belt has a gloss look at all, it maybe time to just change it.
I have written NAPA 62032 .
Searched their website, but no results found... I went there a little over a year ago and bought two. They only had two left and without checking, I bought both....One was only shielded, so my used idler pully bearing got soaked in maxima chain lube and re-installed

http://www.saturnfans.com/forums/sho...d.php?t=167813

Last edited by bumpdraft; 10-15-2012 at 08:28 PM. Reason: recalled true story
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Old 10-15-2012, 08:37 PM   #5
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Default Re: belt chirp...tensioner?

This one, looked "sealed" ...here is the one I used:
http://shopper.cnet.com/engine/6203-...-41385243.html

It is in a NAPA box and is made by SKF in Argentina

Last edited by bumpdraft; 10-15-2012 at 08:42 PM.
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Old 10-15-2012, 09:05 PM   #6
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Default Re: belt chirp...tensioner?

Here are the actual boxes:


I guess what I am saying is RockAuto sells the whole pully for less than the trouble I went thru to get the wrong parts...
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Old 10-16-2012, 11:46 PM   #7
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Default Re: belt chirp...tensioner?

Thanks for the info. I've only used Rock Auto once a few years ago....the thing that bugs me about them is trying to order multiple parts. They may have brake pads in one warehouse and rotors in another and you have to pay separate shipping costs because of their stocking locations. I usually shop between my local chain stores (most give me a 10% military discount) and Amazon...with my Amazon Prime membership, I get most items they carry in 2-3 business days and shipping is usually included.
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Old 10-17-2012, 09:10 AM   #8
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Default Re: belt chirp...tensioner?

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Originally Posted by Iraqvet05 View Post
...you have to pay separate shipping costs because of their stocking locations.....
Yes, I use RockAuto for specific parts not carried locally...

Quote:
Originally Posted by Iraqvet05 View Post
... I usually shop between my local chain stores (most give me a 10% military discount)....
Nothing beats grabbing a part locally and being done with it.

It used to be I could go to the local parts store and buy almost anything. If they didn't stock it and it would "be here next business day (could be Monday)..." they would contact the warehouse and I could drive over and grab the part.

Now, I have to wait...and it sends me to RockAuto
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