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Question: noise

shank

New member
Joined
Jun 20, 2020
Messages
4
Location
canton, ga
Corvette
2009 Z51 coupe
low mileage C6 a high pitch noise has appeared suddenly . Varies with RPM water pump? alternator? What's common?
 
Yes....... either could be the culprit. Why not open the hood and rev the engine to see if you can see where it's coming from?
 
The tensioner is one more thing that can make those noises. I think the lower crank pulley (Harmonic Balancer) can do the same thing.
 
Last edited:

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