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  #1  
Old 01-18-2012, 12:20 PM
hi3cho hi3cho is offline
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Default Help: Vibration at Idle

I have a 1993 S-10 V6, I just replaced the alternator and serpentine belt. It ran fine for a few weeks, now I am getting a vibration, almost a shake of the whole engine when I am at idle. My thoughts are that it could be the belt tensioner because it started right after I changed the alternator and serpentine belt. Any advice would be appreciated. Thanks
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Old 01-18-2012, 01:39 PM
mrcomputer101 mrcomputer101 is offline
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Remove the belt and give the tensioner a spin...
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Old 01-18-2012, 02:35 PM
hi3cho hi3cho is offline
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I am pretty sure tensioner is spinning, I was thinking maybe it was the spring, but that is just a complete guess.
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Old 01-18-2012, 05:00 PM
mrcomputer101 mrcomputer101 is offline
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It could spin with a bad bearing...
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Old 01-19-2012, 05:27 AM
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HOTRODSURFER HOTRODSURFER is offline
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remove the serp belt and start it up-see if vibration is gone-check tensioner spring and make sure pulley turns free-also check water pupm/fan for looseness
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  #6  
Old 01-19-2012, 07:53 AM
hi3cho hi3cho is offline
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Thanks guys, if I have time this weekend I will try to remove the belt and see if the vibration stops. I will let you know what I find out
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