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03-20-2008
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yanmar 2gm km2a tran
tran is slipping on full throttle can any body help is it oil and is it hydrolic oil
Last edited by joannemary; 03-20-2008 at 06:38 PM.
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03-20-2008
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Wandering Aimlessly
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The trans on my 2GM uses 30w non-detergent oil. Have you checked the level in your trans? When was it last changed?
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John
Ontario 32 - Aria
Free, is the heart, that lives not, in fear.
Full, is the spirit, that thinks not, of falling.
True, is the soul, that hesitates not, to give.
Alive, is the one, that believes, in love. JCP
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03-20-2008
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2gmtran
just bought boat oil change not known but is it a hydrolic box?
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03-20-2008
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In most sailboat installations I'm familiar with, the 2GM was coupled with a transmission that used the same oil as the engine.
Here's a helpful resource: Link
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Pacific Seacraft Crealock 31 #62
NEVER CALLS CRUISINGDAD BACK....CAN"T TAKE THE ACCENT
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03-20-2008
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Wandering Aimlessly
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No, it is not hydraulic oil.
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John
Ontario 32 - Aria
Free, is the heart, that lives not, in fear.
Full, is the spirit, that thinks not, of falling.
True, is the soul, that hesitates not, to give.
Alive, is the one, that believes, in love. JCP
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03-21-2008
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2gm tran
is it a cone box
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03-21-2008
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2GM Transmission
I think that you are going to find that the cone is slipping and
needs to be replaced,When mine was going, I was able to hold the shift lever all the way forward while bringing the engine speed up slowly [ Assuming you have two separate levers ] and that seemed to solve the problem on a temporary basis until the wear of the cone got worse and the only solution was a repair, Yes, the transmission uses 30W oil just like the engine,it holds at the most maybe 8 ounces !!!
Ed
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03-21-2008
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will the oil level cause problem. thanks for the info
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03-21-2008
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Wandering Aimlessly
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Yes, improper oil level can be a problem.
__________________
John
Ontario 32 - Aria
Free, is the heart, that lives not, in fear.
Full, is the spirit, that thinks not, of falling.
True, is the soul, that hesitates not, to give.
Alive, is the one, that believes, in love. JCP
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03-21-2008
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There was a post, in Yanmarhelp.com, or Torresen Marine's forum, where a guys described how to take the trannie apart, and lap the cones with valve lapping (gritty) compound, so that the drive cones will catch better against the forward / reverse gears. I have read that it is a common problem, that they become glazed / slippery, and won't engage well. Some have said it should be done every few years.
Related question, I have exactly the same setup, and have read that normal engine oil is used in the trannie. Before I read this, however, I read in my yanmar manuel, to use a Dextron 3 type fluid, so I topped up with this type of fluid in there, for the last 20 hours of so, last year. Seemed to work the same.
Taking the trannie apart now, to lap the cones / inspect things.
Just wondering if I should put engine oil in next year, or Dextron 3 type.
Thoughts?
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