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Old 12-10-2011, 08:59   #31
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Clearly a corrosion issue, you might try running some ATF through instead of diesel and let it sit for a while. I'm assuming you did not Fog the motor whilst it was out of the water?

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Old 13-10-2011, 20:49   #32
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Re: Yanmar 3GM30 - No Fuel at Injectors 2 and 3

Originally Posted by bill good View Post
Had a 1GM freeze up at the power lever. A drop of good penetrating oil fixed it up without pulling it to bits.
I spoke to the mechanic. He asked if I had experienced a failure in the water pump">raw water pump shaft seal. I had to buy a new water pump about 300 hrs ago because of such a problem. He says that the salt water from the water pump leaks into the injector fuel pump and causes corrosion. I still can't work out the water gets from the water pump shaft to the IC pump. I thought the water pump sits isolated under the engine and just is turned by a belt and pumps raw water.

I tried a good greasing of the speed govenor lever without success. The engine is now starting at a even higher rpm (2600!) & seems stuck there.

I think I will just have to take the IC pump & speed lever assembly to the mechanic.

Paul & Kaspar de Wonda Dog
S/V "Pelican V"
"Trust not a living soul and step warily around the dead"
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3gm, 3gm30, fuel, yanmar

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