Chevy and GMC Duramax Diesel Forum - View Single Post - Engine whistle/whine
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post #2 of (permalink) Old 10-28-2019, 06:07 AM
mkayler
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Join Date: Feb 2013
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Just something you can check quick the Serpentine belt idlers were going on mine and made similar noise.

2008 Silverado LTZ
Tuned with EFI Live
6 inch lift by Fabtech
35 inch BFG K02 All terrain Tires
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