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Water went down exhast to cylinder how to get out


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  #1  
Old 10-14-2009, 01:06 AM
wap wap is offline
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Default Water went down exhast to cylinder how to get out

We have a Kohler 10 roy diesel. During a heavy rain storm water went down our exhast and we think into the cylinder. The engine just clicks and barely moves but wont turn over. Shut it off last night after running for 6 hours and no problem at all and today won't budge. Called a shop and they said that water may have went into the exhast and into the cylinder and wont let it start. Any ideas if this sounds reasonable and if so how do we get the water out of that cylinder.
Thanks
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Old 10-14-2009, 01:13 AM
pegasuspinto pegasuspinto is offline
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Default Re: Water went down exhast to cylinder how to get out

pull an injector or glow plug if possible

take off the valve cover and hold open the exhaust valve while turning engine over by hand

put a wrench on the engine and apply moderate turning force-the water will seep past the rings and valves, and eventually will be able to turn the motor over-this is a last resort method

DO NOT crank the engine with the starter, untill you can turn it over freely with a wrench-hydralic lock can and will flat out ruin the engine

buy a rain cap, put in a rain trap, or get out the ol' tin can-but don't ever let it fill up again!

Robert
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Old 10-14-2009, 01:23 AM
Isaac-1 Isaac-1 is offline
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Default Re: Water went down exhast to cylinder how to get out

If the water went into the exhaust before the last time you ran it, it is possible that the water caused the oil to break down and your engine ran without enough lubrication and is now seized. I also have to ask, have you checked the obvious stuff, like low battery voltage, poor wiring connections, etc?

Ike
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Old 10-14-2009, 02:12 AM
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Ray Cardoza Ray Cardoza is online now
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Default Re: Water went down exhast to cylinder how to get out

check the oil too. if its milky chances are water found its way in.
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Old 10-14-2009, 11:43 AM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Water went down exhast to cylinder how to get out

First things first! Remove the exhaust piping, and remove any water visible in the exhaust manifold. Better yet, remove the manifold itself, and check the exhaust ports. You do not say if this is a single cylinder or not, but if it is a multicylinder, more than one cylinder may have water in it. If that is the case, pull all the injectors out, to prevent hydraulic lock Hydraulic lock will bend rods, possibly bend the crank, and if the engine spins rapidly enough before hydraulic compression occurs, may even blow the head off the block!

As stated in the first post, pull off the injector(s). Next, remove the oil drain plug, and note if there is any water, or if the oil is milky in appearance. If there is water, or the oil is milky, drain it out thoroughly. If the oil is milky, the oil filter also must be replaced. Once drained, refill with SAE 30 oil. If the oil is clean, and there is no water, consider yourself lucky, and replace the plug. Fill the oil to recommended level, and continue on. Try to turn the engine over with a wrench on the end of the crank. If the engine turns, spin over several revolutions, and make sure that the crank turns freely. If the engine turns freely, then use the starter and roll over for a minute or two, and make sure that all the water is expelled. Re-install the injector(s), and the exhaust manifold, and try to start the engine. If it starts, listen for unusual noises, and check the oil for cleanliness. If the oil again turns milky, stop engine immediately, and change the oil and filter again, then restart. In either case, after changing the oil and filter again, run the engine for 15 minutes, and re-check the oil constantly. If all is well, drain and renew the oil filter, and use the recommended oil, you should be good to go. If the oil is abnormal in appearance, change and renew the oil filter. The idea is to flush the old oil and humidity out, and get the recommended oil back into the engine as rapidly as possible, to prevent rust damage to the bearings. Once clean oil is in the crankcase, you will want to run the engine under a load for at least 1/2 an hour to dry the interior of the engine thoroughly. As stated above, a rain cap or water trap in the exhaust system MUST be installed to prevent this from happening again. Next time the cylinder may have only a little water in it, and damage may be more extensive as outlined above.

If the engine won,t turn by hand, and all injectors have been removed, try giving the engine a bump only with the starter. If it does not turn, then engine teardown is indicated. hydraulic lock damage may have occured already, or the piston may be stuck from rust. The way your post reads though, the last may not apply.
Andrew
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Old 10-14-2009, 06:31 PM
sqm1 sqm1 is offline
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Default Re: Water went down exhast to cylinder how to get out

If the engine has not been turn over at all then the cylinder (s) with valves open will still be open .You can remove the exhust manifold an try to suck it out with a wet/dry vac . or with a suction gun threw a glow plug or injector port.

Joe
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Old 10-14-2009, 11:07 PM
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Default Re: Water went down exhast to cylinder how to get out

Well we took off the muffler and about a gallon of water came out. Needless to say we had to pull the head and all three cylinders were full to the top with water. We had no water in our oil so we cleaned all water out and we are waiting on a gasket kit to put it back together. The engine turns fine by hand and it looks like we got to it before we killed it. We had a rain cap on it but who would have thought that the hole we cut in the roof would leak right around the exhast pipe and then we put on a oversized flex line for sound comming off the muffler and it just ran right in there and filled up. Sometimes I feel like Tim Taylor on Home Improvement. Will let you know if it works tomorrow. Thank you all for your help.
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Old 10-15-2009, 01:46 AM
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Default Re: Water went down exhast to cylinder how to get out

glad to hear it didnt make its way further down.
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Old 10-20-2009, 01:16 AM
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Default Re: Water went down exhast to cylinder how to get out

Well, we put it all back together, put fresh oil in it, fired it up and ran it for ten minutes. Shut it down and changed the oil and filter, fired it up again, and it's running perfectly. I think the fact that it filled all the cylinders up to the top kept the motor from moving and saved it from major damage.
Thanks to all for your suggestions and ideas.
Les and Deb
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Old 11-13-2009, 06:31 PM
dkamp dkamp is offline
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Thumbs up Re: Water went down exhast to cylinder how to get out

Yes, Les- that's part of it. The other part, is that you got it dried out and restarted right away.

I shove a hose down the stack and suck out all the water, pull the injectors and/or glow plugs, turn it by hand... let the water run out, and as soon as it'll turn three turns, crank it with the starter (yep, it blows more), then drain a little oil out'a the bottom of the pan (water will fall there). Close it up, warm the plugs, and light it up again.

I've done this to better part of a hundred engines that've fallen into rivers, lakes, etc., and the number one killer, is that someone let it happen, then pulled it out, let it sit for a few weeks, and THEN called for help. The number two, is someone trying to crank it when full of water.

Drowned engines aren't the end of the world, just as long as they weren't running when drowned. If you can't service 'em right away, leave 'em submerged... but if you can, get 'em fired up as soon as possible, so engine heat can dry out all the moisture before corrosion sets in.
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