Problem when towing
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Joined: May 2004
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Problem when towing
Hi, I have a 2004 dually with a 6.0, with around 55,000 miles. The truck runs good but when I tow the race car trailer when I go up hills I get a loud noise,like the turbo is screaming and then when I go back to flat ground it takes a little while but it like spools down and runs normal till the next hill then the same thing. Any help would be appreciated. Ps, it seems like this happens after I have been running it a while. Thanks Jim
Fleet Owner
Joined: Nov 2003
Posts: 27,916
Likes: 3,635
That is most likely the cooling fan.
You need to get gauges so you can determine the actual oil and coolant temps when that happens. A ScangaugeII is the cheapest way to go ($135 shipped when you join cleanmpg.com, $160 otherwise).
Are you losing coolant? Where do you maintain the coolant level in the degas bottle? have you inspected the coolant lately? Have you ever flushed your coolant?
You need to get gauges so you can determine the actual oil and coolant temps when that happens. A ScangaugeII is the cheapest way to go ($135 shipped when you join cleanmpg.com, $160 otherwise).
Are you losing coolant? Where do you maintain the coolant level in the degas bottle? have you inspected the coolant lately? Have you ever flushed your coolant?
Senior User
Joined: Apr 2012
Posts: 341
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From: Texas
Sounds like the fan. I pull a 25' goosneck with up to 15K load. You will get used to hearing that fan kick in and out. As others have said, get a Scangauge-II. Not only will it tell you how your engine is performing, it will tell you when the fan is engaged.
Fleet Owner
Joined: Nov 2003
Posts: 27,916
Likes: 3,635
You still need to know the actual temps. You could have a plugged oil cooler, etc.
I guess you aren't concerned about coolant levels ...................
I know many people experience the high fan operation when towing, but it may not be completely normal - only the actual temps will verify that IMO.
I guess you aren't concerned about coolant levels ...................
I know many people experience the high fan operation when towing, but it may not be completely normal - only the actual temps will verify that IMO.
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