Hi,
Does the sound change with engine speed? Have you inspected the accessory drive belts to make sure one isn't coming apart?
Take a look at pic 1. I circled the belts I need to be checked. Do this and let me know what you find. Also, if it is possible, record it and upload it for me to hear.
Take care,
Joe
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Saturday, January 16th, 2021 AT 4:22 PM