Cummins ISM overheats

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by volvodriver01, Jun 4, 2023.

Jun 4, 2023 #1

volvodriver01 Road Train Member

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Feb 10, 2011

Usually the one on ur leftside. Ind

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I've got a 05 International 7600 with the ISM engine. Engine fan kicks on and off with the switch on the dash (auto/manual) up until 205 degrees. Once the gauge reaches that the fan will not engage in auto or manual.

I changed the fan solenoid on the fire wall and still same issue.

volvodriver01, Jun 4, 2023

volvodriver01, Jun 4, 2023

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Jun 4, 2023 #2

Lazer Road Train Member

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Thats weird, if you have the fan on manual before it reaches 205, does the fan shut off when 205 is reached? Although I’ve never seen an ISM reach 205 when a fan is stuck on.

Lazer, Jun 4, 2023

Lazer, Jun 4, 2023

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Jun 4, 2023 #3

volvodriver01 Road Train Member

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Feb 10, 2011

Usually the one on ur leftside. Ind

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Yes, if I leave the fan on manual it will shut off at 205 and allow the temp to reach 230 before the truck shuts off.

volvodriver01, Jun 4, 2023

volvodriver01, Jun 4, 2023

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