Tow/Haul Mode
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Cross-Country
Joined: Jun 2008
Posts: 56
Likes: 11
From: Cypress
Tow/Haul Mode
I have a 2008 F-250 6.4L PSD w/automatic, and I was wondering if running it in Tow/Haul mode while not hauling will hurt the transmission? It's great to have that engine braking with some of the crazy traffic we have.
You Keep What You Kill
Joined: Dec 2006
Posts: 4,902
Likes: 2
From: Huntersville, NC
My 2005 F350 has the 5.4L engine and 4.10 gears. I run my truck in Tow/Haul mode all the time. When driving in the city at speeds of 35-45 MPH with the Tow/Haul is OFF, the Torqshift will select a gear that puts the engine in the 1,300 RPM range and the truck feels sluggish. However, when the Tow/Haul is ON, the engine is in the 1,800 RPM range and the truck feels very responsive. At highway speeds, the only time that I know the Tow/Haul in ON is when I hit a grade and the Torqshift downshifts at the appropriate time to keep the engine in the power band. In short, I prefer the shift strategy of the Tow/Haul mode in all conditions.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
I've noticed that TFT also seems to run a little hotter with T/H engaged versus not engaged. Not dangerous hot, just hotter.
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