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426 overheated in n6
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timmiso View Drop Down
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Joined: 11 Apr 2016
Location: iowa
Points: 35 		Post Options Post Options   Thanks (0) Thanks(0)   Quote timmiso Quote  Post ReplyReply Direct Link To This Post Topic: 426 overheated in n6
    Posted: 26 Sep 2020 at 12:23am
Well today daughter got sent home from high school due to being in proximity to covid positive student. So she got to learn how to drive old Smokey in beans. Was going really well when I smelled antifreeze— had blown fan belt and was overheating. Fortunately was right at the end and had a stiff west wind that was perpendicular to the radiator and we limped it home at idle. Engine restarted after sitting 45 minutes. What else to check? Oil isn’t over full, boiled about 4 gal out of the system. Never gotten one that hot. Idiot light for coolant temp hasn’t worked for awhile, hopefully it’s ok and then I’ll fix the light. Oil is nice color, had been changed 10 hrs before.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19463 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 26 Sep 2020 at 6:15am
You have no choice. Fix the reason for overheating. Check the engine oil. Put it back to work CAUTIOUSLY, monitoring temp, coolant loss, oil pressure and blow-by. Check coolant level DAILY if not twice daily until you feel certain things are OK normal. You may see a head gasket issue down the road. Limping it home wasn't a good idea. Shut it OFF.

Edited by DrAllis - 26 Sep 2020 at 6:53am
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 26 Sep 2020 at 11:45am
Ditto on the shut it off as soon as you discover it overheating. I have a Gleaner E block that had been severely overheated. It badly scuffed #4 and turned an otherwise good engine into a heavy oil burner.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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WF owner View Drop Down
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Joined: 12 May 2013
Location: Bombay NY
Points: 4378 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 27 Sep 2020 at 6:39am
Watch oil closely for signs of coolant in the oil. Antifreeze is very bad for bearings.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7953 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 27 Sep 2020 at 9:24am
Uncle did similar with N5...may have been a hose and maybe got hotter. Finished season ok but next spring was lots antifreeze in pan. Think they said o rings...it got overhauled. Don't ruin it.
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