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Old 05-11-2013, 06:39 PM   #1
jwoair23's Avatar
Drives: 2010 Camaro 2LT
Join Date: Jul 2010
Location: Pittsburgh, PA
Posts: 134
Grinding/squealing noise from serpentine pulley

Today I had an issue I haven't had before, I started the car and was getting a loud squeaking almost grinding noise. Isolated it to the upper right pulley on the serpentine belt. I took some 3-in-1 oil and lubed the hole in the center and behind the pulley as best I could.

This actually eliminated the noise! My question is has anyone had this happen and will the squeak come back quickly? Is there a better method to fix it then what I did? I have 64k miles.
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