1994 f250 heats up to 230 pulling a 8000 loud ultra light trailer, up slight heels pulled off the road and it still wouldn't cool down so I opens the hood and fever the motor for about 15 minute before it started to cool,when I'm driving it stays around 210. I've replaced thermostat 3 times 193 180 165, replaced radeator with 4 row replaced clutch on fan, radiator cap, cleaned condenser in front of radiator. Done block test to test head gasket for leak. Sealed around shrout for better air through radiator pulled upper hose and thermostat to make sure water pump was pushing water with good flow, replaced muffler with free flow muffler. Burped air out of system with therastat openening a d closing for 1 hr. Running out of ideas help please oh and if I didnt say its two wheel drive auto trans. And has the 7.5 or 460 motor.
My car has 51800 miles.
My car has an automatic transmission.
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