Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

RUNNING HOT

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Old Jan 13, 2010 | 06:28 PM
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Default RUNNING HOT

MY TRUCK HAD BEEN RUNNING AROUND THE MIDDLE OF MY TEMPERATURE GAUGE. BUT RECENTLY THE ENGINE HAS BEEN RUNNING CLOSE TO OVERHEATING. I HAVEN'T LET THE ENGINE OVERHEAT, CAUSE I DON'T WANT TO DO ANY CRITICAL DAMAGE. IT SEEMS LIKE A THERMOSTAT PROBLEM, I DON'T HAVE ANY LEAKS OR ANYTHING IN THE RADIATOR OR MOTOR. I MAY REPLACE THE THERMOSTAT. ANY SUGGESTIONS?
 
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Old Jan 13, 2010 | 07:02 PM
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do you have your grill covered up for the winter try taking it off if you do or just try a new thermostat
 
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Old Jan 13, 2010 | 08:31 PM
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replace the thermostat with a ford or IH thermostat only. the aftermarket ones arent built the same and overheating will occur under heavy loads.


also dont trust the factory gauges. even a dirty ground to the cab will throw off the gauges.
 
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Old Jan 14, 2010 | 05:50 PM
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Default NO CIRCULATION

I OPENED UP THE RADIATOR CAP, AND THERE WAS NO CIRCULATION HAPPENING WITH THE COOLANT. EVEN WHEN I HIT THE ACCELERATOR. I DID THE SAME THING WITH MY SUBURBAN TO COMPARE, AND WHEN I HIT THE GAS ON THE SUBURBAN, COOLANT WAS MOVING GOOD IN THE RADIATOR. COULD IT BE THAT THE COOLANT IS NOT CIRCULATING?
 
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Old Jan 14, 2010 | 06:54 PM
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radiator could be clogged up. get her warm and see if there is a difference in temps from top to bottom of rad with a infared heat gun.
 
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Old Jan 14, 2010 | 10:00 PM
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clean the rad and replace the thermostat
 
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Old Jun 8, 2010 | 12:07 PM
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I've had a similar issue, but only when towing uphill. Do y'all recommend the same thing for my situation?
 
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Old Jun 8, 2010 | 03:14 PM
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do u have a idi or u asking bout the stroker?
 
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Old Jun 8, 2010 | 04:58 PM
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It's a stroker
 
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Old Jun 8, 2010 | 08:22 PM
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i have seen water pumps that have worn down all the blades to where they can't move any fluid also. but would start with the thermostat.
 
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