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Open Roads Forum  >  Class A Motorhomes  >  General Topics

 > Tow hall mode

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dodge guy

Bartlett IL

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Posted: 09/28/21 04:57pm Link  |  Quote  |  Print  |  Notify Moderator

Groover wrote:

I would like to think that any transmission put in a MH has programming specific for motorhomes and you could make a good case for not using it when lightly loaded, for a motorhome. So using tow/haul on a motorhome may come down to your personal preference on how the vehicle drives.

As down home experienced though, in some vehicles ABS does not override tow/haul engine braking so in slippery conditions you may want to be sure that tow/haul is disabled.


No, Ford has a one size fits all program. which is why there is a Tow/Haul button. as has been said, even in the F53 they make it for different uses. so it doesn`t get a different program for a specific use. which is why in a MH configuration it should always be on. otherwise its short shifting and not performing the way it should if it were off.


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Rolin

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Posted: 09/29/21 10:00pm Link  |  Quote  |  Print  |  Notify Moderator

2007 Winnebago Aspect 26A on 2006 Ford chassis. I use Tow haul quite a lot. Like the control it gives in traffic and in mountains. I don't know if using it will impact longer term maintenance issues of engine or transmission. So far at about 60,000 miles everything is working great no failures or noticeable changes in engine/transmission performance.

On the 2006 Ford chassis the scangauge shows about 38mpg down hill at 4000 rpm with tow haul on. Going downhill without tow haul at 2500 rpm the scangauge shows over 45 mpg. So I assume on the older Fords the fuel is not shut off during downhill coasting.

Interestingly my Chevy Motorhome would show 99 mpg when going down a long hill. I think 99mpg was its way of showing no fuel flow during coasting.

I notice more of an impact on mileage with different fuel grades than with towhaul. Get a little over 9 mpg with 89 octane. However at 87 octane I seem to get closer to 7 mpg.

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south

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Posted: 09/30/21 09:19am Link  |  Quote  |  Print  |  Notify Moderator

We got over 25mpg in our mh..in Kansas with a 70mph, according to radio, tailwind. [emoticon]

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