Fan Noise
Super Moderator
Joined: Aug 2008
Posts: 37,379
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From: Frederick, MD
it will sound that way when the fan goes on high.
It does that because either your oil or coolant temps tell it too.
When my temp guage starts to go to the right of center it will come on full blast.
I think around 225F.
This only happens for me when pulling pretty heavy up grades.
It does that because either your oil or coolant temps tell it too.
When my temp guage starts to go to the right of center it will come on full blast.
I think around 225F.
This only happens for me when pulling pretty heavy up grades.
Senior User
Joined: Apr 2010
Posts: 451
Likes: 0
From: Panama City, FL area
it will sound that way when the fan goes on high.
It does that because either your oil or coolant temps tell it too.
When my temp guage starts to go to the right of center it will come on full blast.
I think around 225F.
This only happens for me when pulling pretty heavy up grades.
It does that because either your oil or coolant temps tell it too.
When my temp guage starts to go to the right of center it will come on full blast.
I think around 225F.
This only happens for me when pulling pretty heavy up grades.
Had mine kick into high 4 times on my trip back from upstate NY back home towing my 5'er. First time I ever heard that loud roar! It scared the hell out of me, I thought my tranny was slipping or something. My tach and turbo all apeared normal, I didn't know what was going on. And yes, it happened each time going up the hills of eastern Kentucky, so I thought maybe my tranny fluid might have been a little low (even though I checked it every day on trip) and it wouldn't shift when it wanted to. After the third time, I had switched to digital temp, and sure enough as soon as the oil temp hit 229* the big roar started. Thats when I fgured out it was the fan
Postmaster
Joined: Jul 2013
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From: Altamonte Springs, FL
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Lead Driver
Joined: Dec 2013
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Thanks for warning... I haven't heard mine kick on as I haven't driven it in hot enough temps yet.
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Senix - I'll take your word for it. But sub zero to low teens on the highway ALL of my temp gauges never move off of cold. If I am in city driving, they'll go up a bit and as soon as I hit highway speeds they are back to cold...
Maybe going slow with a heavy load. I haven't pulled with this truck yet and not in cold weather. I have had my previous truck NOT pulling or hauling anything other than me, in hot weather on flat ground turn the fan on....
Maybe going slow with a heavy load. I haven't pulled with this truck yet and not in cold weather. I have had my previous truck NOT pulling or hauling anything other than me, in hot weather on flat ground turn the fan on....
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bigdawg460
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Feb 6, 2011 04:48 PM