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Ls430 Whine Under Hood


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Have an 01 ls430 and it started to make an ugly whine under hood. Took a video...Not sure what is the issue... Could anyone try to diagnose by watching video? Sure would like an idea before bringing it to shop.

Thanks kevin

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  • 1 month later...

worn bearing on some item on the belt. Remove the belt and turn the pulley on each device. I suspect with that loud a noise you can do the "One of these things is not like the others..." to find out the one with shot bearings.

Failing that get a mechanics stethoscope and probe near the bearing of each device. The bad one will be very obvious.

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