Quote:
Originally Posted by Buehler445
Somewhere in there is a tensioner pulley. Get a wrench on it and loose the belt. With the load off the belt turn each pulley. The one that makes noise or doesn't turn smooth is the culprit.
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Drat!!
I can add, the tensioner looks to be the second from the bottom just to the left of [as you're facing in the video] and above the lowest pulley on the crankshaft in the dead middle. The only one the outside of the belt is riding on.
Before removing anything though. And you have to be VERY careful. I'm talking extremely, for your safety. Take a long piece of metal like a tire iron, or a long ratchet, and plunk it down on the center of the pulley [where the through bolt and nut is while it's running], and put the other end to your ear.
Don't do this with any of the other pulleys unless the center is still as they are drive pulleys and don't have a bearing [ie, the bolt and nut rotate with the pulley].
The culprit you will hear crystal clear, just like a stethoscope.