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tranny grind in foward idle |
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joes83sn 
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Joined: May-28-2007 Location: Brunswick GA Status: Offline Points: 23 |
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 Topic: tranny grind in foward idlePosted: May-28-2007 at 10:14pm |
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eric, today I started hearing a grinding noise in the tranny when i put it into foward idle. the noise stops when i accelerate the slightest amount. also the motor sounds rough when put into gear. Is this a tranny problem or a engine idle adjustment problem/
I have a 83 nautique 351/ w velvet drive 1:1 |
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JoeinNY
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Joined: October-19-2005 Location: United States Status: Offline Points: 5693 |
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Posted: May-28-2007 at 11:56pm |
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your damper plate is weak and or your idle is to low most likely you just need to increase the idle speed a bit
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: May-29-2007 at 6:49am |
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could'nt of said it better, maybe besides putting in a new damper, tune the engine and time it, dont forget to replace the front seal also
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"the things you own will start to own you"
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joes83sn
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Joined: May-28-2007 Location: Brunswick GA Status: Offline Points: 23 |
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Posted: May-29-2007 at 7:34am |
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my engine has always ran great. this just started yesterday, I am going back to the river today and adjuts the idle up first to see if it goes away. I really dont want to pull the tranny. ill let you know the outcome later.
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joes83sn
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Joined: May-28-2007 Location: Brunswick GA Status: Offline Points: 23 |
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Posted: May-30-2007 at 7:32am |
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well I went out and increased the engine idle and the noise went away! I had to increase the fuel mixture screws to componsate and get a good throttle response. the only thing i noticed is that now in forward idle there is a little vibration from the engine and the idle speed {boat movement} increased a little.
the only other thing is now i have to pump the throttle to get the engine to start- mabye a more incresse of fuel mixture will help this. I dont know alot about engine/fuel adjustments. |
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: May-30-2007 at 7:46am |
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dont hide the problem by bumping up the idle,
the damper is bad and it will cause pre-mature failure to the trans, if your under 25 you know that word well, seriously though, it will rattle the clutch teeth open. dont trip over a dollar to pick up a nickel |
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"the things you own will start to own you"
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