why does the serpentine belt keep shredding?

1999 ISUZU RODEO
98,000 MILES
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SUNSETSARAH94
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S-belt broke and shredded last night. We replaced it with a new one drove around the block to.make sure it was ok. This morning on the way to work, it started shredding again. And I only work 10 mins from home.
May 31, 2012 at 1:36 PM
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DOCFIXIT
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Make sure all pullies turn freely and there is NO slde play in tensioner and idler pullies
May 31, 2012 at 1:58 PM
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WRENCHTECH
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Also look for leaning or misaligned pulleys. When a tensioner wears it will lean and cause the bet to migrate off.
May 31, 2012 at 3:22 PM
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EZERIDER1
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definately check your pullies, sounds like you have one locking up.
Jun 16, 2012 at 3:55 PM