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Farmall & IHC Tractors Discussion Forum
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International D236 engine Stays silent

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Ibby

10-08-2004 03:18:37




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For now, I'm gonna pay the big bucks and have it hauled home in a non-running condition. Once it gets here, I'm gonna pull and check the glow plugs. A previous response told me to check to be sure the glow plugs are installed correctly. They currently are above the injectors. Is this correct?

When I said it tried to run on 1 cylinder, I meant I got a decent "thud" on every reveloution. No black smoke at all, but a goodly amount of white vapors out the exhaust pipe. Does this mean anything?

The oil level is good and it puts out 30-35 psi oil pressure just on cranking it. The rest of the machine was maintained perfectly, so I suspect a sudden failure, not just a slow deterioation of the engine due to neglect.

THe air filter (cartridge type) is a bit dirty, but I can still see light thru it. Might this be a problem? (I don't want to start buying a lot of parts until I know for sure it's going to run again)

It has an electric fuel pump, which moves the fuel along pretty good, but not with a lot of force (when the lines are loosened). Is it possible the pump is getting weak and just not delivering ENOUGH fuel to the injector pump?

Thanks for all the advice. I wouldn't even try this project without your help!

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Aces

10-08-2004 19:26:38




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 Re: International D236 engine Stays silent in reply to Ibby, 10-08-2004 03:18:37  
The reason these engines don't start in the dead of summer with using the glow plugs is because they are not supose to start with out the glow plug. This engine is ment to use the glow plug. If the engine and fuel system are in good shap no big deal.



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old don

10-08-2004 19:05:34




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 Re: International D236 engine Stays silent in reply to Ibby, 10-08-2004 03:18:37  
One more thing!!! Do not and I repeat do not use glow plugs and starting fluid at the same time the results could result in serious damage to the engine. I've seen it done on intake manifold heaters and it has blown the whole intake manifold apart. Be careful! With glow plugs they are heating some cylinders with valves closed and with a chamber full of either could cause a super heat and pressure condition. Not good!

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old don

10-08-2004 18:49:56




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 Re: International D236 engine Stays silent in reply to Ibby, 10-08-2004 03:18:37  
From being involved with the 236 engine which if I remember right was in the 460D, 560D and early 706D you couldn't even stop in the dead of summer to take a water break without using the glow plugs to restart it and maybe the ones I've driven were getting over the hill and their compression numbers were low. I suggest first do not use the glow plugs and shoots some either (starting fluid) in the intake while trying to start it with the throttle wide open it should fire off but with a lot of smoke and some knocking gone on but it should start to straighten up with some missing and etc and should help bring some air out of the fuel system and you may have to crack some lines to bleed out the air till it straightens up. Caution! do not soak air cleaner with starting fluid if it doesn't start it is reccommended to remove air cleaner during this process but if it starts running ok put air cleaner back right away. If will not run on either you have some mechanical issues. I've seen engines 180degrees out of time run on either and that's a fact. 2 cents

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Farmered

10-08-2004 04:53:58




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 Re: International D236 engine Stays silent in reply to Ibby, 10-08-2004 03:18:37  
The supply pump only puts out about 5-7 pounds of pressure so is prolly OK. Since you have a regular fire on one cyl. I will suggest that there is air in the lines from the injector pump to the other injectors. Try loosening the lines at the injectors one at a time while cranking the engine. This will let the air out. You can also determine which cylinder is firing this way. You may have stuck valves. The white vapors indicate unburned fuel so at least some of the injectors are squirting. Perhaps some of the injectors themselves are stuck open. This would allow fuel to drizzle into the cylender instead of spray.
Good luck. ED

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LArryM

10-08-2004 04:52:20




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 Re: International D236 engine Stays silent in reply to Ibby, 10-08-2004 03:18:37  
Two words if you do not own it yet. COmpression Test. Usually on the older diesels they get wore enough that they will run welll, but they start very hard.



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