New E450 with tow/haul question
My old Winnebago E350 4R100 had overdrive and I would turn it off when climbing a steep grade or go down a long grade for braking. What's the difference with the Tow/Haul on the 5 speed. Same usage?...
Forum Discussion
As Sam says, Tow/Haul changes the programming of the transmission in various ways, altering the shift points and also the torque converter lock-up to try to be more sensible when carrying a big load and to try to keep the transmission temperatures down. I think it also enables or increases automatic engine braking when descending a hill (press the brake and it downshifts). Note that it does not lock out overdrive.
I probably would generally travel with it engaged if I had that option; a motorhome is a permanent heavy load. As it is, I have the older unit with the 4R100 and the simple "don't overdrive" button.
I probably would generally travel with it engaged if I had that option; a motorhome is a permanent heavy load. As it is, I have the older unit with the 4R100 and the simple "don't overdrive" button.
