Tow/Haul

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MD Sledhead

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When I leave it in 'D', I also can't see what gear I'm in, but I can check anytime just by activating my limiter. It will show me what gear it is currently in, then I just hit '+' until I get back to 'D' again.
I wish this was always displayed... it is on newer F250s with the 10speed.
Also, if you have this displayed (use the lockout buttons but leave it at 8), this disables the start/stop :cheers:

FWIW - I'm in 3rd gear going up my driveway... It will run in 8th at 45 mph (again, 3.92)
 

Dean2

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Have you guys checked your settings. Mine on my Grande Cherokee with the 5.7 and 8 speed, and on my 2500, have a tick box that allows the current gear to display while in D. Here i a video but that wonderful thing called an owners manual also has this info.

 

Tulecreeper

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I wish this was always displayed... it is on newer F250s with the 10speed.
Also, if you have this displayed (use the lockout buttons but leave it at 8), this disables the start/stop :cheers:

FWIW - I'm in 3rd gear going up my driveway... It will run in 8th at 45 mph (again, 3.92)
I don't have Start/Stop on mine.
 

Curmudgeon

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Have you guys checked your settings. Mine on my Grande Cherokee with the 5.7 and 8 speed, and on my 2500, have a tick box that allows the current gear to display while in D. Here i a video but that wonderful thing called an owners manual also has this info.

My 2014 doesn't have that display and doesn't have that capability.
 

Docwagon1776

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I wish this was always displayed... it is on newer F250s with the 10speed.
Also, if you have this displayed (use the lockout buttons but leave it at 8), this disables the start/stop :cheers:

FWIW - I'm in 3rd gear going up my driveway... It will run in 8th at 45 mph (again, 3.92)

No stop/start on 2500s.
 

Sherman Bird

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You are wrong about this. The 8 speeds are great transmissions but they shift a bunch more often. More shifting is NOT a benefit to the transmission. Tow Haul is designed to restrain that, as at least one of its functions.
Folks are gonna believe what folks want to believe; in spite of the truth.
 

Dean2

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No stop/start on 2500s.
He meant push button start I think because neither my Jeep or the 2500 have stop start.

Sherman I agree. The internet has been a great thing for car nuts but it has also caused a proliferation of absolute nonsense that gets repeated so often people actually start to believe it.
 

Grams

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My previous response was from experience with my previous Ram 1500 and what I believe I read in my new 2500 HD manual…however there appears to be different programs depending upon which transmission (6 or 8 spd) and which engine is mated to it. Also, I was referring (perhaps erroneously) to the 6th gear in my trans as overdrive…. but when I’m in 6th and press TowHaul…it drops to 5th and stays there.
 

Curmudgeon

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What dash/evic do you have?

The one that doesn't show gear or voltage.
Whatever comes stock on a '14 Laramie Quad Cab. ;)

From window sticker...

7-Inch Multi-View Cluster
Uconnect® 8.4A AM/FM/BT/ACCESS
Integrated Voice Command with Bluetooth®
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8.4-Inch Touch Screen Display
 

Wild one

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The one that doesn't show gear or voltage.
Whatever comes stock on a '14 Laramie Quad Cab. ;)

From window sticker...

7-Inch Multi-View Cluster
Uconnect® 8.4A AM/FM/BT/ACCESS
Integrated Voice Command with Bluetooth®
SiriusXM Satellite Radio w/ 1-Yr Radio Subscription
For More Information, Call 800-643-2112
NAV-Ready. See Dealer for Details
8.4-Inch Touch Screen Display
It'll display the current gear,i forget how i did it,but if you use the steering wheel buttons and scroll through the screen set-up,i think it's in there,or else it's in the radio.Been 10 years since i did it,and i don't have the truck anymore,but if you go digging around,you should be able to find the gear display.
 

Curmudgeon

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It'll display the current gear,i forget how i did it,but if you use the steering wheel buttons and scroll through the screen set-up,i think it's in there,or else it's in the radio.Been 10 years since i did it,and i don't have the truck anymore,but if you go digging around,you should be able to find the gear display.

I get gear display when using the +/- buttons with the current gear
displayed adjacent to the "D". Did you have it displayed there or
somewhere else?

Neat, now I get to go back and fart around with my truck some more.
After I finish prepping the bathroom for painting and leaf-blowing about
1 1/2 acres. :Big Laugh:
 

Wild one

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I get gear display when using the +/- buttons with the current gear
displayed adjacent to the "D". Did you have it displayed there or
somewhere else?

Neat, now I get to go back and fart around with my truck some more.
After I finish prepping the bathroom for painting and leaf-blowing about
1 1/2 acres. :Big Laugh:
It displayed it right beside the D in the lower right corner of the evic
 

dsherman26

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For what it's worth, I just towed a U-haul 6x12 from Arizona to Ohio, with around 1000 pounds of stuff in it (about 3,000 pounds total). Used tow/haul all the way. The transmission temperature stayed pretty rock solid and never went over 195 degrees, even going up the long hills.
 
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1500Hoosier

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So.... I read these replies and it brings to light this:

The Tow/Haul mode is for what purpose?
As a factory trained automatic transmission technician for Ford and GM, I'll weigh in with the facts as I see them:
That function was/is put there for a reason. So, asking for whether or not to use it based on the seat of the pants type thinking is a HUGE blunder.

I replaced/repaired MANY MANY MANY automatic transmissions over the decades for people who would FAIL to use the Tow/Haul function (I can't figure out why), and, when I'd ask them why they didn't while I repaired their truck(s), their response was laughable.
"I just pull a pop up, and it doesn't weigh that much"! And yet, they bar-b-qued the transmission. Consistently.

Weight is NOT the only issue. I'm guessing you will be using an enclosed trailer. If so, there will be a hell of a lot of load from wind resistance, not to mention the weight.

Now to the juicy bits: What exactly happens in the To/Haul mode? First, this tells the PCM that a severe duty set of parameters for the entire vehicle are going to happen.... Extra load on the brakes, the cooling system, the chassis proper, etc.
The PCM will employ the particular algorithm programmed into the operating files for that function to mitigate damage.

Put on your reading glasses and seek the information in the owner's manual for whether or not you need to use the function for your particular event. Asking the buddies at the country club is risky at best.

Some of the stories I've heard of how a guy didn't use the function and got away with it evoke thoughts of dumb luck, perhaps, or maybe there was damage done that was not perceived or had any symptoms immediately, only to be someone else's problem when the truck is traded or sold.

Based upon my own knowledge and training, I always err on the side of caution. I have always used the function of Tow/Haul any time I load up my SUV, or pull a trailer. I had a 1976 Suburban that I retrofitted a TH700R4 into. I thrashed that truck with all the towing/hauling I did (a heck of a lot) for north of 100,000 miles. I sold that truck to a fellow employee several years later. That trans was still functioning perfectly years later.

Did I burn more fuel doing that? Yup! In today's world, a trans costs what? 8 Grand on your truck? My thinking is that I can buy a LOT of gas for 8 thousand dollars! Cheers! And Happy trails! :)
Thanks VERY MUCH Sherman.....gas is a lot cheaper than a transmission!
 
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1500Hoosier

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we live just outside of somerset ky. you moving here or just making a trip?
My stepson is the executive chef at a new restaurant in Somerset (Urban Stillhouse). He bought some land in Eubank that has a house in much need of repair. Wife and I are going to do some remodeling on his house the week of 10/28
 

turkeybird56

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The one that doesn't show gear or voltage.
Whatever comes stock on a '14 Laramie Quad Cab. ;)

From window sticker...

7-Inch Multi-View Cluster
Uconnect® 8.4A AM/FM/BT/ACCESS
Integrated Voice Command with Bluetooth®
SiriusXM Satellite Radio w/ 1-Yr Radio Subscription
For More Information, Call 800-643-2112
NAV-Ready. See Dealer for Details
8.4-Inch Touch Screen Display
U have the multi display. U have to go into Evic menus to enable both the gear display and a voltage readout. The battery readout be one of the corner displays U have to enable.
 

Curmudgeon

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U have the multi display. U have to go into Evic menus to enable both the gear display and a voltage readout. The battery readout be one of the corner displays U have to enable.
I was just playing with that last night. Both Gear and Battery are not there but I do have 2 separate selections referring to the trailer brake. Maybe those 2 took the place of gear/voltage? I dunno.
I could access all 4 corners of the display but nothing about gear or volts was available as I scrolled through the choices.
 
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