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19/10/2021 12:09 pm
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hey scotty i have a 5.9 liter gas engine with a little over 250xxx miles trucks runs perfect but at iddle my fan seems to spin really slow i have to step on the gas for the fans to spin fast and cool down truck i have changed fan clutch, thermostat ,water pump , belt , belt tentioner, what could it be ?
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19/10/2021 1:53 pm
You may have gotten a bad fan clutch. In the mean time, turn your heater on high when idling to help keep the engine cooler. With the engine off, you should feel a fair amount of resistance when trying to rotate the fan by hand.
