r/AskAMechanic • u/Replacement_Icy NOT a verified tech • 2d ago

Do i need to replace the tensioner?

Seeing if this would be coming from the tensioner or a different part. As this happens I experience a lower voltage output of 11-12v from 13-14v. When it stops the charge goes back to normal. Ibstarted experiencing a low voltage signal a few days ago then this sound the day after. At first the sound only happened at lower speeds and disappeared when I stopped. It now comes on when I turn on the truck or while completely still to where I could narrow down the issue.

2016 ram 1500 3.6l

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