Have I been doing it wrong all these years?
I have been towing our 30ft fiver for years with a Silverado 2500 Duramax. Have been using the tow mode and get right around 12MPG. Today we headed out. I zeroed out the trip computer before leaving. ...
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On flat roads Tow/Haul mode really makes little difference. In hilly areas, it keeps it in lower gears longer (or sooner if it is downshifting) for more torque to pull up the hills (or slow down going down the hills). Translation: less shifting of gears.
Since what causes the transmission to heat up is the unlocked torque converter during shifting, the tow haul mode significantly reduces transmission heat in hilly areas because it shifts gears many fewer times.
If you don't want to use Tow/Haul mode all of the time, at least use it in hilly areas.
Since what causes the transmission to heat up is the unlocked torque converter during shifting, the tow haul mode significantly reduces transmission heat in hilly areas because it shifts gears many fewer times.
If you don't want to use Tow/Haul mode all of the time, at least use it in hilly areas.
