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Old 05-16-2018, 05:44 AM   #2
Jacksonlll
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Join Date: Jul 2012
Location: Michigan-- Member of Oakleaf of MARC
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Default Re: Strange Engine Knock -> Crank Pulley

They do break. It does not help to try to turn the engine over pushing on the fan blade. That puts too much load on the pulley. It was designed to drive the fan etc, not the engine.
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