It is to cool the fluid. It is called a rear diff. cooler part of the Aisin heavy duty package...I think it looks tough. I also sprayed mine with clear coat to keep it from oxidizing..Bill
I don't really feel any difference in tow mode on the up shift but I don't like the down shifting when I let off. I did the same thing as you with my 5th wheel on it spun the tires when I jump to hard on the throttle. My Montana is a new model for this year it is a 3910FB. look it up it has a...
To answer your questions about the towing it is the nicest truck I have ever towed with the exhaust brake is a great feature and in tow mode is more aggressive and will actually down shift if it doesn't see the speed coming down when you let off the throttle. If you push the exhaust brake button...
I my self bought a 2014 dually you see in my avatar with all of what you are talking about 410:1 Ratio, Aisin transmission HO cummins, With the Laramie package. I pull a 42 full time living 5th wheel and a car trailer too. With the 30,000 lbs towing capacity I don't even know there is a trailer...
My name is Bill and I live in upstate NY just west of Albany I am a retired Chrysler Master Tech of 40 years. I look forward to reading and learning some of what is being said and helping where I can...
Location: Cobleskill N.Y.
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