DIY How to Pinpoint a Pulley Noise

I must credit Eric O from South Main Auto for this trick. Well he didn't invent it but I heard it from him. Check out his channel:    / @southmainauto   My mailing address for correspondence or swag of any kind is on my about page. This video is for entertainment purposes only. 50sKid assumes no liability for any repairs or modifications performed by the viewer as a result of the information contained in this video.