Recent content by grandma99
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Weird Overheating
I checked into this further, because mine does some of the same stuff, and Ford actually has a bulletin on it. If your truck does not have the plow prep package, running at highway speeds can cause the truck to run hot due to disruption of air flow, it can even cause the fan to spin backwards...- grandma99
- Post #9
- Forum: 6.0L PowerStroke Engine & Drivetrain
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Weird Overheating
I run a plow on mine too, the engine temp will spike a little at times, but I've never had mine redline. The weird air whoosing sound you heard was the thermal fan clutch kicking in, it locks the fan to the fan pulley, so your fan is turning full speed instead of slipping. That is also why...- grandma99
- Post #2
- Forum: 6.0L PowerStroke Engine & Drivetrain
