Farmall 706 diesel - bad head gasket????

andy r

Member
A couple months ago I posted about my Farmall 706 with the 282 glow plug engine loosing coolant. Several thoughts were posted back to me. A common one was the typical bad head gasket of the IH 282 engine. Another possibilty was a cracked head. Anyway I did some trouble shooting today to refresh my memory. I had drained the antifreeze eariler, but put it back in today. With the radiator cap off, immediately at start up continuous little puffs of vapor or smoke would come out of the filler neck. The puffs didn't miss a beat - almost in rythum with the engine. When I just sat the radiator cap on the filler neck (not tight) it would just sort of sit there and bounce slightly - here again somewhat in rythum with the engine. Engine is not missing - runs smoothly. Am I going to be lucky enought to just replace the head gasket? Gasket was replaced maybe 5 years ago when it blew a hole between two cylinders. I did retorque the head when done the last time. Also used copper coat on both sides of the gasket. That time did not compromise the cooling system, just between two cylinders. If I do not find a bad head gasket I assume the 282 heads can be checked for cracks easy enough - magnafluzed? Did the head welding/repair shop in central Iowa close?? Maybe Nevada, Iowa. Tractor does light work such a running augers and mowing. Thanks.
 
I assume you are asking about Midwest Cylinder Head in Nevada. It changed hands several years ago and I'm not sure what all they do now but I do know they are no longer welding cast iron. The fellow that bought the cast welding portian of the buisiness ran Schell Welding and he just shut down this summer. The last job they did was for me.
 
Have the head checked for flatness also. The gaskets can also burn out between cylinders as u say from last time. If you used it under normal load like that u would have never got 5 years out of it.
 
No way to know until the head is off.

The head gasket being blown between cylinders again is not likely to cause the pressurizing the radiator or the puffing out the cap. It would be down on power if that had happened again.

The puffing out the cap is most likely caused by the head gasket blown into the water jacket, a cracked head, or a pin hole in a cylinder liner if it has wet sleeves.

When the gasket blew between the cylinders, was the head surface leveled? Head gasket replacement, especially on a diesel, is an exacting process. If everything is not thoroughly cleaned, the head checked and preferably resurfaced, the bolt threads cleaned or replaced, taped holes chased, everything done by the book, odds are it may fail again. Getting the engine hot, for whatever reason, is the enemy!
 
Ah heres the BIGGY , Did you have the head resurfaced when it blew the last time ?? Before you stuffed the head back on the last time did you run a tap down into the block to clean out the holes for the head bolts and did you run a thread chaser or die over the threads on the head bolts . Also did you use two guide studs to hold the head gskt. while setting the head and lightly lube the threads on the bolts before you put them in . Myself i am vary fussy about who's head gskt's i will use . If it is NOT the OEM quality Victor we will NOT use it . When working on someone tractor it is on there dime and if it has a problem and comes back then it is on my dime . so when i am done with it i do not want to see it back for and issue where i had my fingers into as now it is on my dime . so two ways to go about seeing what is going on here , (1) drop the pan and let it drip dry for a few says then place a piece of cardboard under it fill the cooling system then pressurize it and start looking for drips , (2) pull the head and have the head checked and resurfaced and get a better head gskt. and follow what i said .
 
dont forget to check sleeve fire rings and even height from front to rear sleeve.straight edge with firm pressure try running feeler guage between each sleeve .cant remember but seems like those sleeves got a flange at outside with grooves cut in them helping to hold gasket
 
Some good advice given here. I would add to check the block for out of flat as well as the head. You don't have to have it magnafluxed, you can purchase, for about the same money a dye penetrant kit from Goodson or your local autoparts store. It's a three can kit.
 
Basically there are two kinds of d282 heads cracked and going to crack. All the things the others have said get the head checked and get a good gasket. I have used fel-Pro gaskets and had good luck .
 

I try to never use the words bad are blown. I use compromised and my mission is to find how why the system is compromised.

If I use bad are blown then once I get to the gasket its expected to see the issue plain as day. It does not always happen that way you can not assume because its not plain as day a new gasket will solve the issue. A big percentage of the time if you assume all you are doing is kicking the can down the road : (
 

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