Good morning!
Now that it is getting a bit cold in the mornings here in Georgia, my (new to me) Chevy 3500 truck is making quite the noise. The noise increases or subsides with engine revs. Seems to be a bit more on the driver's side of the engine. It is like a very loud humming. Any ideas?
(Once the truck warms up, the sound subsides.)
Edited by Calclements on 10-27-17 06:07 AM. Reason for edit: No reason given.
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