Hope you’re doing well!
My 06 xterra has started making a very odd whining sound. Seems as though the battery is not charging up as it usually does (brand new battery too).
I’m curious to know if this is my alternator strap, serpentine belt, or maybe the timing chains…
looking for your insight, not sure how to post a video here yet lol
Can you give us a soundfile?
Given the year and milage of your vehicle many will say chain tensioners et al but w/o a soundfile its hard to say anything
First thought comes to timing chain/Tensioners need replaced. Prime mileage and vintage for your vehicle. If it sounds like you have a super charger under the hood , then that is a sure sign time to replace them. I had the same issue with my Daughters 2005 . Best of luck
When your vehicle is in a cold state, crank it briefly and confirm the noise is present.
Remove your serpentine belt and repeat the process of cranking your vehicle and confirm if the noise is gone or not.
Dont run your engine long enough to bring it to temperature, your simply wishing to perform a diagnostic check.
If the noise is gone, your problem is with the belt, pulleys or accessories which are driven.
However, if the noise remains your probably dealing with an issue with your timing chain.
Thank you for all your reply’s! Thought I would be notified or something.
Will run the above mentioned diagnostic test. For now, here is my sound clip. 2006 Xterra whine
Truly appreciate all of your time and effort!
Thanks all for your insight. Turns out my alternator gave out this morning (-28 degrees here), and with the alternator giving out the sound has stopped. Will change the alternator and let you know if the sound is still there.
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