3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Engine temp

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Old Jun 2, 2024 | 01:46 PM
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dogcamo's Avatar
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Engine temp

Morning from AZ
On a recent trip to the mountains when pulling a pretty good grade I noticed the engine temp got hotter (245) than normal (220). Pulling 12 to 13K. When not pulling grades, temp is normal. What should I be looking for?
Thanks
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Old Jun 3, 2024 | 02:20 PM
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Dirty radiator and AC condenser.
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Old Jun 3, 2024 | 08:34 PM
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Both are clean
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Old Aug 17, 2024 | 12:39 AM
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how old is the coolant?

Made a difference for me....
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