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Smoking IH656D

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Tip

03-23-2005 04:25:11

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How much smoke should be venting out of the crankcase on an IH 656D? Mine puffs little white smoke consistently, even when warm - don't know about hot because the weather hasn't been warm enough to work the tractor. Tractor starts good, wondering if this is normal or if I have some ring or other issues?

Thanks, Tip

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Tip

03-23-2005 14:07:54

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Re: Smoking IH656D in reply to Tip, 03-23-2005 04:25:11

Thanks guys for the input. I may have a ring problem because it is more of a steady puffing. The tractor has been sitting for a while, so I want to run it a little more before I get too excited.

I bought the tractor right, expecting to have to do a rebuild. Given how well the tractor is running now with just new glowplugs, I feel like I am playing with the house's money. I am going to adjust the valves and will check the injection pump timing and see how I come out.

Regards, Tip

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R. John Johnson

03-23-2005 07:11:23

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Re: Smoking IH656D in reply to Tip, 03-23-2005 04:25:11

Tip

I am no expert, but I have been told that the white smoke coming out of the vent is a general sign of engine health. If it is a steady drifting all is well. Very obvious, steady puffing means blowby in a cylinder. The blowby pressurizes the crankcase making the rythmic puffing. I hope this is not your situation.

John

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Allan in NE

03-23-2005 07:16:48

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Re: Smoking IH656D in reply to R. John Johnson, 03-23-2005 07:11:23

R. John,

Good way to put it; it's kinda scary, that's for sure.

Allan

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Allan in NE

03-23-2005 04:34:34

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Re: Smoking IH656D in reply to Tip, 03-23-2005 04:25:11

Mornin' Tip,

They've got to be able to breathe from that vent. A "little" white smoke out of the breather is plumb normal to my mind. If it is "foggin'" oil smoke, that's another matter.

Is it missing at all, or does it seem to run okay? Does it start right up as it should?

Allan

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Tip

03-23-2005 05:25:32

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Re: Smoking IH656D in reply to Allan in NE, 03-23-2005 04:34:34

Thanks for the reply Allan. I bought it running poorly - the seller was using ether to start it. Based on this board's advice, I installed new glow plugs to replace the 6 bad ones and, while it takes a couple of minutes of preheat (2-3), she fires right up. She puts out a little white smoke and then settles in, no missing, although it won't idle smoothly as low as I think it should. The smoke coming out of the breather I would describe as light puffing - no foggin at all.

I also need to get the temp gauge working and then double check to make sure there is a thermostat in the tractor.

Regards, Tip

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super red

03-23-2005 11:32:35

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Re: Smoking IH656D in reply to Tip, 03-23-2005 05:25:32

I have a 560 diesel that did the same thing with a fresh motor .after some fine tuning on the fuel pump it runs like a sewing machine. chech your pump timing and adjust the valves if needed.

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