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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Weird noise at idle, disappears when driving

   
Old Jul 14, 2017 | 1:56 PM
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Wayne Brown's Avatar
Wayne Brown
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Default Weird noise at idle, disappears when driving
I have a 2004 5.3L chevy suburban which appears to have wobble in the crankshaft harmonic balancer

As seen in video with belt removed noise appears to
be related to crankshaft pulley/harmonic balancer.

you will note the noise diminishes/disappears when engine is reved up

any help/advise appreciated



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Old Jul 14, 2017 | 2:05 PM
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From: kevinkpk
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Have you removed it? Even at higher rpm's it's hitting something or is loose. I'd suggest pull it. It is keyed, or supposed to be.
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Old Jul 14, 2017 | 2:11 PM
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Originally Posted by kevinkpk
Have you removed it? Even at higher rpm's it's hitting something or is loose. I'd suggest pull it. It is keyed, or supposed to be.
Will be pulling shortly.
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