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Old 15-08-2011, 14:45   #1
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Rattle in Neutral

I have a 28 foot Legacy with a 315 Yanmar Diesel. Ran the boat on Sat. went about 7 Miles up the coast and stopped to watch an air show for about two hours. Started the boat to leave put in forward then neutral and heard a loud rattle. Back in gear rattle stops did it a few more time same think. Put bout in gear and left for home. No problems at all. Pulling into dock same thing happened when I took boat out of gear.
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Old 15-08-2011, 15:00   #2
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Re: Rattle in Neutral

I am thinking it could be the damper plate. which is not usually bad to replace. very bad if it fails completely.
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Old 15-08-2011, 15:19   #3
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Re: Rattle in Neutral

Not a vibration but like something loose.(rattle, spinning sound?) Seems to be coming from the bow side of engine.
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Old 15-08-2011, 15:45   #4
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Re: Rattle in Neutral

Most likely the damper. Long periods of idling kills the splines in the plate and on the transmission input shaft
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Old 15-08-2011, 17:08   #5
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Re: Rattle in Neutral

If its a Hurth box, and it DOESN'T rattle in nueutral, is when you have to worry.
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