Originally Posted by rarefish383
I had a feeling it would be simple and I think we found it. My buddy came over and watched the engine as I started and revved it a little. He said he could see the serpentine tensioner jumping in time with the knocks. We stuck a wooden shaft on the tensioner and you could hear all kinds of grinding and clanking. Took the belt off and all is smooth and quiet. I'll put a new tensioner on first thing in the morning, and I hope that's it. It's funny how something kinda sticking off to one side of the engine can make noise and it will transfer to the other side of the engine, louder than where the bad part actyually is , Joe.
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