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 Knocking noise 
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Joined: Sun Jan 10, 2010 4:26 pm
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Post Knocking noise
My GDSD just recently started making a knocking noise sounds like its in the the lower gearcase or shaft...the prop has no play in it..It comes and goes..out of no where it will go away sometimes for the rest of the morning..then the sounds comes back eventually. This a major problem? Thanks


Sun Sep 23, 2012 1:20 pm
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Location: Prairieville, LA
Post Re: Knocking noise
Don't know, but you definitely need to open up the lower unit and check everything! Have you greased the u-joints lately?


Sun Sep 23, 2012 1:41 pm
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Post Re: Knocking noise
You don't want this to happen...



Sun Sep 23, 2012 1:43 pm
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Post Re: Knocking noise
damn!!! seen yur pic before but still....damn!!!

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Sun Sep 23, 2012 6:07 pm
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Post Re: Knocking noise
Get some marine grease and a grease gun and get it in there ASAP. Mine has done the same thing in the past but usually goes away after I fill it full of grease.


Sun Sep 23, 2012 7:33 pm
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Post Re: Knocking noise
Normally, knocking is a sign/symptom of future failure.

I would change it now to prevent being stranded.

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Sun Sep 23, 2012 7:55 pm
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Post Re: Knocking noise
We have a gd lower unit epidemic on our hands!!


Sun Sep 23, 2012 10:27 pm
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Post Re: Knocking noise
:lol:


Sun Sep 23, 2012 10:38 pm
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Post Re: Knocking noise
Impossible!!! That is a design built on simplicity and reliability, it cannot break........ Right???


Mon Sep 24, 2012 2:51 am
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