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S4 or D while towing?

Discussion in 'Towing & Hauling' started by 19tundraguy, Sep 3, 2020.

?

What gear do you pull in?

  1. I tow in s4 with towhaul on

    15 vote(s)
    71.4%

  2. I tow in D with towhaul on

    6 vote(s)
    28.6%
  1. Sep 3, 2020 at 2:25 PM
    #1
    19tundraguy

    #1
    19tundraguy [OP] New Member

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    Hi everyone I'm new here and trying to learn a little info on my 19 cm 4x4 platinum. I have read a lot about how the 19's and 20's don't have a true external transmission cooler but I was just curious how many of you pull your trailers in s4/with tow haul, instead of D/with tow haul? From what I understand the torque converter dosen't lock up until 5th and 6th gear. So the clutches are constantly slipping in gears 1-4 creating heat in the transmission. What's your thoughts?
     
    Last edited: Sep 3, 2020
    19tundraguy, Sep 3, 2020
    #1
  2. Sep 3, 2020 at 2:27 PM
    #2
    Casper3

    #2
    Casper3 New Member

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    S4 all day long.
     
    Casper3, Sep 3, 2020
    #2
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  3. Sep 3, 2020 at 2:30 PM
    #3
    Casper3

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    Casper3 New Member

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    I believe S4 locks up the torque converter and keeps the transmission from hunting for the right gear like when in drive.
     
    Casper3, Sep 3, 2020
    #3
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  4. Sep 3, 2020 at 2:30 PM
    #4
    41bigdawg

    #4
    41bigdawg Let the BIG DAWG Eat

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    manually shift to 5 and 6 in S mode with tow haul and it locks up just fine...played around with this on my last trip to OBX and S mode worked a whole lot better than drive.
     
    41bigdawg, Sep 3, 2020
    #4
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  5. Sep 3, 2020 at 2:31 PM
    #5
    19tundraguy

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    19tundraguy [OP] New Member

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    You are correct...In the 2 wheel drive tundras it locks up in s4-s6 The 4 wheel drive it locks up in s5-s6 only.
     
    19tundraguy, Sep 3, 2020
    #5
    Casper3[QUOTED] likes this.
  6. Sep 3, 2020 at 2:45 PM
    #6
    Casper3

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    Casper3 New Member

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    I have a 17' 4 wheel drive and can definitely say it locks up in s4. I tow a trailer all week long in hilly terrain and my truck lives in s4.
     
    Casper3, Sep 3, 2020
    #6
    BravoDeltaRomeo, Black Wolf and 19tundraguy[QUOTED][OP] like this.
  7. Sep 3, 2020 at 2:49 PM
    #7
    BravoDeltaRomeo

    #7
    BravoDeltaRomeo Old Man Little Blue Finger

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    S4 and Tow Haul for me. If it's super flat, S5.
     
    BravoDeltaRomeo, Sep 3, 2020
    #7
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  8. Sep 3, 2020 at 2:50 PM
    #8
    Black Wolf

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    Black Wolf Bigfoot Hunter, Sasquatch too, but not Yeti

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    This^^^
     
    Black Wolf, Sep 3, 2020
    #8
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  9. Sep 3, 2020 at 2:59 PM
    #9
    deedubb

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    deedubb New Member

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    S4 and tow mode up and over mountain passes all the time! DE5D94C3-E49F-4F7C-BA01-DB7897F1C951.jpg
     
    deedubb, Sep 3, 2020
    #9
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  10. Sep 3, 2020 at 3:02 PM
    #10
    19tundraguy

    #10
    19tundraguy [OP] New Member

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    I can't figure out how to post a dang picture ‍♂️, But if you look under wikipedia AB60E (2wd) vs AB60F (4wd) transmission's it says what I was referring to. 2007-
     
    19tundraguy, Sep 3, 2020
    #10
  11. Sep 3, 2020 at 3:31 PM
    #11
    Stumpjumper

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    Stumpjumper New Member

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    Mostly S5 here. Flat terrain
     
    Stumpjumper, Sep 3, 2020
    #11
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  12. Sep 3, 2020 at 3:31 PM
    #12
    Cfincke

    #12
    Cfincke Mall Crawler but capable

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    Before gears, S4 with tow haul on. With 5.29 gears, I can run S5 with tow haul and downshift to S4 for hills. My RPMs are the same
     
    Cfincke, Sep 3, 2020
    #12
    Black Wolf likes this.
  13. Sep 3, 2020 at 3:31 PM
    #13
    Hondoman

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    Hondoman New Member

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    Empty or lightly loaded 18' utility trailer in D.
    Medium to heavily loaded utility trailer in S4.
    Travel trailer in S4.

    I never use tow/haul since going to S4.
     
    Hondoman, Sep 3, 2020
    #13
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  14. Sep 3, 2020 at 3:57 PM
    #14
    Black Wolf

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    Black Wolf Bigfoot Hunter, Sasquatch too, but not Yeti

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    I have a 19' utility trailer that I hauled a bunch of rocks down to my property with my 07. Pretty heavy. S4....didn't need T/H at all. Didn't even feel the trailer. Had to back off the throttle going up LaVeta Pass here. Long ass grade. 5.7 really was impressive that trip. T/H would have been overkill. Bottom line...once in S4 my tranny was locked. My 07 was a 4X4. My 8 cents.


    LaVeta Pass is 9400 ft....
     
    Black Wolf, Sep 3, 2020
    #14
    Cpl_Punishment and Hondoman[QUOTED] like this.
  15. Sep 3, 2020 at 4:41 PM
    #15
    Hbjeff

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    Hbjeff New Member

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    Super flat I’ll use D. However in 4th gear our engines and 4.30 gears make so much freakin power it will fly up any hills
     
    Hbjeff, Sep 3, 2020
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