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Idler Pulley Whine

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Old Mar 21, 2010 | 09:19 PM
  #1  
ChanchoVerde's Avatar
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Rock Crawling
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Default Idler Pulley Whine

Ok, so I just replaced my belt (2001 DII 142,000) and I yanked the 70mm idler to check for any damage. No visible damage so I tightened her down and cranked the engine. I have a noticeable whine and I can pin it to the 70mm idler just below the tensioner pulley.

I loosened the nut on the idler a bit to see if that would work but I still have the whine. Do I still have it too tight? There are no torque settings in RAVE for that particular Idler pulley. Has anyone here put a torque wrench to that pulley before and if so what setting did you use? If not, how tight is too tight and how would I know if it were too loose? I still think there might be a chance that I have it wrenched too tight. I just don't want the sucker coming off on me.

Thanks for any feedback.
 
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Old Mar 22, 2010 | 03:41 AM
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I always put some blue lock tight on mine, just a thought.
 
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Old Mar 22, 2010 | 08:03 AM
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Rock Crawling
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loctite? Can you explain that please?
 
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Old Mar 22, 2010 | 09:10 AM
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replace the pulley. You have 142K.

Go to the parts house and ask for blue loctite. It is a pasty liquid that locks bolts into place that require a certain torque.

I would say 22NM (16Ft/lbs) would be good.
 
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Old Mar 22, 2010 | 09:41 AM
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Rock Crawling
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Sounds good OK. Thanks for the advice.
 
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Old Mar 22, 2010 | 09:54 AM
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At your mileage both the idler pulleys as well as the tensioner pulley are usually fried and should be replaced. When reinstalling check the Rave for the proper torque.
 
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Old Mar 22, 2010 | 10:31 AM
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Rock Crawling
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Thanks Mike.
 
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