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Fordson Tractors Discussion Forum

MAJOR , engine smokes BAD , not oil.

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JD dozer mike

01-24-2007 14:58:52




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Diesel major, runs ok but makes funny gluging noise like it is choking, smokes like crazy, diesel smoke not engine oil. Fuel button on pump was stuck but we fixed that, it helped a little but not much.
Checked the gov diaphragm and its ok.
Intake is overly greasy, removed intake manifold and found that the 2 rear cylinder intake ports are oily / gummy. while the 2 front ones are clean like they should be.
Checket the valve rockers/ pushrods, all are working and not sticking or derailed.

Engine sounds like maybe a slight miss , but not bad and does not seem to be lacking power badly.

Slight ammount of oil film in coolant.

ANY IDEAHS??

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charlesmm

07-04-2007 07:43:39




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 Re: MAJOR , engine smokes BAD , not oil. in reply to JD dozer mike, 01-24-2007 14:58:52  
Mine made that noise after a day of idling /stop start in a field when I did not switch it off , it was the exhaust filling up with oily goo , should be a little hole under the elbow to let water/oil out.



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R Wooley

02-07-2007 16:40:27




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 Re: MAJOR , engine smokes BAD , not oil. in reply to JD dozer mike, 01-24-2007 14:58:52  
this sounds like head gasket is blown between back two cylinders, can you check compresion??



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Terry DeBoer

01-24-2007 18:44:33




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 Re: MAJOR , engine smokes BAD , not oil. in reply to JD dozer mike, 01-24-2007 14:58:52  
Check the air filter, we had one that didn't run good because the air filter wasn't lettting any air in. It smoked like crazy until it was replaced.



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JD dozer mike

01-25-2007 08:06:13




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 Re: MAJOR , engine smokes BAD , not oil. in reply to Terry DeBoer, 01-24-2007 18:44:33  
Been there , checked that too.



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woodache

01-25-2007 09:06:29




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 Checking the Airfilter is not Re: MAJOR , engine s in reply to JD dozer mike, 01-25-2007 08:06:13  
Checking the Air filter is not enough the upper screens mesh gets plugged and should be removed as a unit then boiled out. In dusty conditions this should happen at least once a year. Mostly these are NEVER been cleaned!



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JD dozer mike

01-25-2007 19:16:37




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 Re: Checking the Airfilter is not Re: MAJOR , engi in reply to woodache, 01-25-2007 09:06:29  
But this still does not explain the fact that the 2 rear intake ports are oily.?



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JD dozer mike

01-25-2007 19:15:27




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 Re: Checking the Airfilter is not Re: MAJOR , engi in reply to woodache, 01-25-2007 09:06:29  
How about degreasing and pressurewashing with a medium tip?



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woodache

01-25-2007 21:28:52




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 How to Quick check Re:Checking the Airfilter is no in reply to JD dozer mike, 01-25-2007 19:15:27  
Remove one end of the air intake hose start the engine. If operation is now normal or greatly improves boil the filter. If not look elsewhere for the problem.
A steam cleaner would work, but the old caked on grit needs to either be desolved with chemical such as brulin (carb cleaner) or heat and caustic (detergent)
Sounds like the valve guides are worn beyond limits!



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Dandy Dave

01-26-2007 06:31:40




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 Re: How to Quick check Re:Checking the Airfilter i in reply to woodache, 01-25-2007 21:28:52  
I've cleaned a lot of oil bath air cleaners with a pan and laccer thinner. Let them soak for a while and turn and shake them from time to time. Then blow them out with an air compressor blow gun. What comes out will supprise you. Like the other fellows said, If the motor is starving for air, It won't run good. And they will smoke black as the govenor is trying to compensate the power loss from lack of air with fuel Dave!

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JD dozer mike

01-26-2007 16:10:03




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 Re: How to Quick check Re:Checking the Airfilter i in reply to Dandy Dave, 01-26-2007 06:31:40  
I thought about doing that, but the manual has a HUGE WARNING , to never start engin without aircleaner attached, BECAUSE the air goveroner is sensative to the ammount of resistance created by the filter, This can cause the engine to run at full fuel and not have any goveroner controll.
Dont know if i belive it all that much, guess i could always choke it out by hand.



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woodache

01-26-2007 18:50:19




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 I do it all the time!Re: How to Quick check Re:Che in reply to JD dozer mike, 01-26-2007 16:10:03  
If your throttle is only cracked open or less than 3/4 full you will have NO problem at all. The RPMs will still be within the prescribed operating range, just higher at that certain throttle postion. I remove the hose all the time for winter time starting when very cold as the oil in the filter maybe near frozen NOT allowing any air to pass to the engine. Without the filter in line you will notice a defined increase in RPM but no more than a couple hundred Rs not the uncontrolled racing as you describe.

PS you can use any solvent you want for cleaning the mesh, by the way I have never been able to remove the upper mesh without damaging it, so I dont. I have found that removing the whole unit putting in a steel 5gal bucket with hot water then putting on a small hotplate to further heat with a cup of washing detergent for a couple of hours is the cleanest and cheapest way to clean it. The old oil just floats to the top of the water rinse then done!

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woodache

01-26-2007 18:49:54




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 I do it all the time!Re: How to Quick check Re:Che in reply to JD dozer mike, 01-26-2007 16:10:03  
If your throttle is only cracked open or less than 3/4 full you will have NO problem at all. The RPMs will still be within the prescribed operating range, just higher at that certain throttle postion. I remove the hose all the time for winter time starting when very cold as the oil in the filter maybe near frozen NOT allowing any air to pass to the engine. Without the filter in line you will notice a defined increase in RPM but no more than a couple hundred Rs not the uncontrolled racing as you describe.

PS you can use any solvent you want for cleaning the mesh, by the way I have never been able to remove the upper mesh without damaging it, so I dont. I have found that removing the whole unit putting in a steel 5gal bucket with hot water then putting on a small hotplate to further heat with a cup of washing detergent for a couple of hours is the cleanest and cheapest way to clean it. The old oil just floats to the top of the water rinse then done!

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morningwood

01-26-2007 17:40:04




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 Re: How to Quick check Re:Checking the Airfilter i in reply to JD dozer mike, 01-26-2007 16:10:03  
You can run it without the air filter. We ran my engine after a rebuild on a engine stand without a filter for short period of time. Just don't give her any high revs. That is were you get into trouble.

Scott



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JD dozer mike

01-27-2007 14:09:12




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 Re: How to Quick check Re:Checking the Airfilter i in reply to morningwood, 01-26-2007 17:40:04  
Took off the air pipe today, didnt make a bit of difference, Guess next thing is headgasket and injector nozels.



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morningwood

01-26-2007 08:35:49




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 Possible Cracked Head Gasket in reply to Dandy Dave, 01-26-2007 06:31:40  
You might wanna check the head gasket. These tractors are notrious for head gasket issues with the original copper head gasket. You can get a newer style one from bare-co.com.

If the head gasket checks out okay I would then check how high the liners are protruding from the block. If the tractor was over hauled previously and the liners were not set right that might explain your oil in the radiator fluid.

As others have said the air filter will get plugged with a grease like substance. I cleaned mine this past summer using kereosene. I soaked it in kerosene over night and the blew it out with compressed air.

If you check out the link I posted below you will see a situation similar to yours.

Scott

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