There is no coolant. It's raw water cooled. Jerry Sent from my iPhone
> On Apr 1, 2017, at 7:10 PM, Gary Russell via CnC-List <cnc-list@cnc-list.com> > wrote: > > Depends on where the leak in the head gasket is. If it's between a coolant > passage and a cylinder, then you would see the evidence in the exhaust. If > the gasket leak is between a coolant passage and an oil return, then you > would see it in the oil. The best advice is to watch the coolant level > carefully. If you see it going down over time, then you need to find where > it is going. If the coolant level is not going down, then probably what you > are seeing is harmless steam and not white smoke. > > Gary > > ~~~~~~~_/)~~~~~~ > > >> On Sat, Apr 1, 2017 at 7:01 PM, Brent Driedger via CnC-List >> <cnc-list@cnc-list.com> wrote: >> The 1GM10 is fresh water cooled with no heat exchanger. I'm really hoping >> it's not a head gasket. Would there not be water in the oil sump if the >> gasket were blown? >> >> Brent >> 27-5 >> Wild Rover. >> >> Sent from my iPhone >> >>> On Apr 1, 2017, at 5:06 PM, Gary Russell via CnC-List >>> <cnc-list@cnc-list.com> wrote: >>> >>> Not to be an alarmist, but white smoke usually means a coolant leak, such >>> as a blown head gasket. Take a sniff of the exhaust. If it has a sweet >>> smell, you've got an internal coolant leak. Is your coolant level going >>> down, with no apparent leak? >>> >>> Gary >>> S/V Kaylarah >>> '90 C&C 37+ >>> East Greenwich, RI, USA >>> >>> ~~~~~~~_/)~~~~~~ >>> >>> >>>> On Sat, Apr 1, 2017 at 5:50 PM, Josh Muckley via CnC-List >>>> <cnc-list@cnc-list.com> wrote: >>>> You can remove the injector from the block. Turn it upside down, >>>> reconnect to the fuel pipe, turn the engine over until the injector starts >>>> to spray. Pop, pop, pop. Watch the spray pattern. It should be a clean, >>>> wide cone pattern, equally aerated, fine mist. This is a test you should >>>> do before you send it to a shop. >>>> >>>> If you want to attempt to clean it yourself you can unscrew the 2 halves >>>> of the injector, remove the spring and valve needle. Clean all the pieces >>>> with something like carb cleaner, berrymans b12 chemtool, or toluine. You >>>> have to be careful not to scratch any of the internal components. A >>>> hardwood scraper can be fashioned or paint stir stick or tooth picks. >>>> When you satisfied, reassemble the same way it came apart. Re-test for >>>> spray pattern. Re-install. >>>> >>>> While you have the injectors out I like to test compression and clean the >>>> precombustion chambers. They can get pretty well covered with carbon >>>> which will make them harder and harder to remove. You'll probably want to >>>> replace the thin copper ring between the two halves. There's also a lead >>>> gasket and a copper foil disc which go between the injector and the >>>> precombustion chamber. >>>> >>>> Josh Muckley >>>> S/V Sea Hawk >>>> 1989 C&C 37+ >>>> Yanmar 3HM35F >>>> Solomons, MD >>>> >>>>> On Mar 31, 2017 10:06 PM, "Brent Driedger via CnC-List" >>>>> <cnc-list@cnc-list.com> wrote: >>>>> Greetings all. >>>>> >>>>> The 1GM10 Yanmar on my 27 began to give me issues last summer. The usual >>>>> complaints, hard starting, ran well once it was going. I replaced the >>>>> filter in the fall and my next move is to replace the old fuel and clean >>>>> the tank. >>>>> But judging from the white smoke in the exhaust I'm thinking the injector >>>>> spray pattern is off and I'm getting some dripping. I'm planning to >>>>> extract and clean it or replace it. >>>>> Any tips from those who have done this would be appreciated. >>>>> >>>>> Brent Driedger >>>>> 27-5 >>>>> Wild Rover >>>>> Lake Winnipeg. >>>>> >>>>> Sent from my iPhone >>>>> >>>>> _______________________________________________ >>>>> >>>>> This list is supported by the generous donations of our members. If you >>>>> wish to make a contribution to offset our costs, please go to: >>>>> https://www.paypal.me/stumurray >>>>> >>>>> All Contributions are greatly appreciated! >>>> >>>> _______________________________________________ >>>> >>>> This list is supported by the generous donations of our members. If you >>>> wish to make a contribution to offset our costs, please go to: >>>> https://www.paypal.me/stumurray >>>> >>>> All Contributions are greatly appreciated! >>>> >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you wish >> to make a contribution to offset our costs, please go to: >> https://www.paypal.me/stumurray >> >> All Contributions are greatly appreciated! >> > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
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