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Old 06-28-2014, 12:23 AM   #1
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Tow / Haul button

Anyone tinkered with the button on the right side if the steering wheel. I think it's like an overdrive button.

What is the purpose of it for power and economy?


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Old 06-28-2014, 12:26 AM   #2
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It makes coming down a mountain allot easier. I think it changes the shift points.
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Old 06-28-2014, 10:03 PM   #3
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Not an overdrive button.

Changes shift points, line pressures and a few other variables in the transmission. I usually don't use mine, even when towing.
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Old 06-28-2014, 10:10 PM   #4
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It will keep you from burning up your brakes on downgrades especially with a toad. Depressing the button at the beginning of a downgrade will auto downshift your transmission. Then depressing the brake lightly and releasing will auto downshift your transmission again. Depressing the brake again, harder this time and releasing it will further downshift your transmission once again. I just used it extensively on west bound CA 299 between Redding and Eureka. I don't think I would have made it without it. I even stopped and reset my Ivisibrake on my toad for a bit more help. I did not find it a bit helpful on the upgrades as I don't try and maintain the towing speed limit when I'm on an upgrade. I use the speed control on the flats at 55mph and shut it off on the hills. I don't see any economy gain in the use of tow mode but it sure keeps your brakes from smoking.
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Old 06-29-2014, 03:10 PM   #5
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Page 40 in your Ford Owner manual.
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Old 06-29-2014, 05:31 PM   #6
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If towing something you should always have it in tow/haul mode


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Old 06-29-2014, 05:59 PM   #7
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Not true read page 40. Clearly states not to use in slippery road conditions.
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Old 06-29-2014, 06:02 PM   #8
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Holds the gear longer both up and down. I seldom use mine on this and past TVs. Oh, and have you checked page 40?
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Old 06-29-2014, 06:04 PM   #9
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Yes, just finished reading it. For 2013 F53 motor home chassis.
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Old 06-29-2014, 06:09 PM   #10
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Okay technically it's on 41 but it starts on 40.
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Old 06-29-2014, 06:11 PM   #11
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Pic of 40 and 41
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Old 06-29-2014, 07:03 PM   #12
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I will ask my engineers about this tomorrow and post the responses....


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Old 06-29-2014, 07:11 PM   #13
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Or just read the warning on paper 41 in the grey box.
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Old 06-29-2014, 07:45 PM   #14
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Quote:
Originally Posted by FR3-SalesTrainer View Post
If towing something you should always have it in tow/haul mode


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Not quite true. The 5R110 thats supplied in the F53 is the same as whats in the E-series and the F-550 - F-750 medium duty applications prior to being phased out in favor of the 6R140 six speed transmission in the latter.

That said, Mark Kovalsky who developed the programming still in use on the 5R110 is on record as saying that it matters not if you use it. Well, other than the benefits listed previously. It wasnt an option on the medium duty applications, although the maps were there to where it could have been used with some wiring and whatnot. The transmission/V10 combination was available in the Class 6/7 trucks with GVWR and GCWRs that were double what a fully loaded FR3 and 5000lb toad weigh.

In short, I think the 5R110 will take whatever we dish out, with or without the Tow/Haul.
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Old 06-29-2014, 07:57 PM   #15
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Cool
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