Chevy and GMC Duramax Diesel Forum - View Single Post - High pitch whining noise with videos
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post #9 of (permalink) Old 07-05-2019, 06:10 PM Thread Starter
knightstilepro
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Join Date: Jan 2018
Location: Kansas City, mo
Posts: 81
Quote:
Originally Posted by MarvDmax04.5 View Post
I had a idler pulley bearing go bad and it squeeled like crazy but was higher pitched than that. Can't hear anything underhood??

This isn’t all of the time just once in a while. Stops when I’m finally shifts. Only when I’m driving as well. So frustrating.

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
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