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Old 12-17-2014, 04:06 PM   #1
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Some thoughts on trailer tow mode

My tow vehicle, 2010 Sierra 1500 ext cab, 4.8, 3:23 axle, WDH with sway control, rated to tow 4700 lbs. My travel trailer, 2013 Rockwood Minilite 2109S, dry weight 3700 lbs. When I first began towing with this combination I used the trailer tow mode. I found it noisy and it seemed to keep the rpms too high most of the time for my liking. Now when towing I don't use it and guess what, it's much quieter, the truck seems to not work so hard, plus my fuel mileage is much better. I guess for my circumstances, trailer tow mode is overkill. I wonder how many other folks are using it when it's not necessary.
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Old 12-17-2014, 04:26 PM   #2
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What gear are you running in? Wish GM had a way one could lock out overdrive.22
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Old 12-17-2014, 04:30 PM   #3
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I just leave it in drive and let the transmission decide where it wants to be.
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Old 12-17-2014, 04:59 PM   #4
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I tow a 2504s with a F150 Eco with a 3.55 gear and don't really see much difference in the mpg or any noise. Sometime I put it in tow mode and sometime I forget.
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Old 12-17-2014, 05:18 PM   #5
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Only tried tow mode once and don't need it. I haul approx 10,000 lbs with fresh water tank 3/4 full and lots of personal stuff. My max cargo load is 3,300 lbs and Flyer weighs 7,800. Truck handles it with plenty power left over. The additional exhaust brake is a blessing!
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Old 12-17-2014, 05:32 PM   #6
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chaslorr, I have the almost exact same truck as you ( mine is a 2009) towing that trailer is no problem once it is pack up with all gear and people?
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Old 12-17-2014, 05:43 PM   #7
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I think the biggest effect of tow/haul mode is accelerating from a stop. It will keep it in a lower gear for higher RPMs until you get to cruising speed. After that, not sure it really does anything worthwhile.
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Old 12-17-2014, 05:46 PM   #8
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Quote:
Originally Posted by chaslorr View Post
My tow vehicle, 2010 Sierra 1500 ext cab, 4.8, 3:23 axle, WDH with sway control, rated to tow 4700 lbs. My travel trailer, 2013 Rockwood Minilite 2109S, dry weight 3700 lbs. When I first began towing with this combination I used the trailer tow mode. I found it noisy and it seemed to keep the rpms too high most of the time for my liking. Now when towing I don't use it and guess what, it's much quieter, the truck seems to not work so hard, plus my fuel mileage is much better. I guess for my circumstances, trailer tow mode is overkill. I wonder how many other folks are using it when it's not necessary.
Tow weight is 4700# and dry weight of trailer is 3700# ?
Average user added items are 1000#
Sounds like your at capacity and then some.
Almost always your over on cargo Carrying capacity before your over tow weight.........
Have you ever scaled your unit?
I use tow hual mode anytime pulling a trailer!
It's there to use for a reason.
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Old 12-17-2014, 05:47 PM   #9
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It handles the trailer very well. Can cruise all day at 55 to 60 mph, gets it moving quite well also. Slows down a little on big hills but they all do that. I get about 15 mpg towing also, and have no over heating problems. We travel light with just the 2 of us so am always under the tow capacity.
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Old 12-17-2014, 06:12 PM   #10
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tow-haul

Do you have a transmission temperature gauge? I would be concerned about overheating the transmission if not using the tow haul mode. It is there for a reason and I think that is one of them.
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