Driving with tow/haul active - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 05-10-2012, 12:52 PM Thread Starter
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Driving with tow/haul active

Hi folks,

Question. What would be the ill effects of driving with tow/haul engaged 100% of the time? I ask because I do use it from time to time to help slow the truck down without using the brakes but my buddy said that will trash the tranny. Is he right? Should I leave it for only towing and just replace brakes more often?


Give me your thoughts and experiences! Thank you!
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post #2 of 8 Old 05-10-2012, 12:59 PM
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Wont hurt anything but your fuel economy.

Just engage tow haul shortly before you see that need coming on

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post #3 of 8 Old 05-10-2012, 01:01 PM
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I use tow/haul whenever I'm on the grades, regardless of how much I'm loaded with. I haven't seen any ill effects from it, and in some ways I feel the shifts are better in tow/haul and easier on the transmission.

As Dave stated, running it all the time will kill your mileage.
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post #4 of 8 Old 05-10-2012, 01:09 PM Thread Starter
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thank you guys...... I know it does hurt the fuel economy but sometimes I am in city traffic and I just like that it is easier on my poor brakes. You have put my mind at ease!
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post #5 of 8 Old 05-10-2012, 02:58 PM
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If you're hauling loads, use it 100% of the time. If you're not loaded, I just use it on the downhill off ramps.

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post #6 of 8 Old 05-10-2012, 03:12 PM
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I use it to force a downshift from od rather than lug the engine. With my injectors it gets real smokey when it lugs down in high gear.
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post #7 of 8 Old 05-12-2012, 05:34 PM
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i do this alot for braking not so much when taking off right before i brake i hit it i was wondering also if there is a way to make it more aggressive instead of one gear shifting down maybe two gears ha?? i dono if there is a tune out there for like the sct's ? what u guys think?
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post #8 of 8 Old 05-12-2012, 06:57 PM
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Downshift if I dont want low RPM smoke. Downshift if I have a load and EGTs are getting up there. Thats it.

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