engine noise on the pulley side of the engine

1995 BUICK LESABRE
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ROBYKIN
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Sounds like marbles being shaken around or bearings perhaps all gauges read fine just noise doesn't affect the performance at all
Apr 15, 2015 at 12:16 PM
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HMAC300
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check to see if one of the pulleys or harmonic balancer bolts have loosened up
Apr 15, 2015 at 12:42 PM