Pulley rattle - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 09-06-2004, 01:44 PM   #1
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Default Pulley rattle

One of the pulleys that the serpentene belt rolls on is VERY loose and makes a lot of rattling. How do I tighten or fix that?
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Old 09-06-2004, 02:46 PM   #2
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Default Re: Rattling Pulley

Well, replacement is the "cliff'* notes" version. A pulley, to my knowledge, isn't adjustable. The bearing is worn and needs replacing. It is possible that it isn't an idler pulley, but the belt tensioner. Either way, they should be replaced. Not too big of a job if you aren't afraid to pull out the wrenches.
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Old 09-06-2004, 02:52 PM   #3
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Pop off the belt and check the belt tensioner, easy enough job. Keep us up to date

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