Cummins ISX Still Overheating
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Working Class Patriot, Jul 26, 2014.
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SAR and KenworthGuyNH Thank this.
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Going on the Dyno tomorrow...
Could be as simple as bad sensors... -
Dyno pointed to a bad Coolant Temp sensor and the tensioner pulley is bad too...
Replacing those and back on the dyno... -
I got a 2014 Pete 388 with an ISX I got the same issue. I’ve replaced oil temp sensor, oil cooler, oil cooler thermostat, radiator also the water pump. It’s only when loaded and pulling grades or bucking a stiff wind. Mines never hit 300 but 250 to 260 fore sure. The fan doesn’t kick in because the coolant temp is in range. I’ve heat gunned the pan and it is as hot as the gauge reads. No shop can figure it out.....
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or tuned?
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What solved the problem?
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I got a t2000 2009 with a isx I replaced the water pump, the thermostat, and flushed the coolant system still over heating. Any body got any suggestions? Also had the head checked it's good and not leaking anywhere. Could it be a fuse I'm missing? Fan kicks on around 210 215
Last edited: May 18, 2019
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