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Thread: Tranny, Transfer, Front & Rear Diff

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    DarkMatterNova's Avatar

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    Tranny, Transfer, Front & Rear Diff

    I just changed the fluid in my transmission, front, and rear differential.

    Should I flash/reload the file on my truck or leave it as is.

    I wondered if it makes a difference with fresh fluid in a hydraulic system.

    PS: Also, the transfer case got some fresh lube.


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  3. Top Of Page | #2
    I WILL STAND! AK Bob's Avatar

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    Re: Tranny, diff, rear end

    Quote Originally Posted by DarkMatterNova View Post
    I just changed the fluid in my transmission, front, and rear differential.

    Should I flash/reload the file on my truck or leave it as is.

    I wondered if it makes a difference with fresh fluid in a hydraulic system.

    PS: Also, the transfer case got some fresh lube.
    No, drive and enjoy your day.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  5. Top Of Page | #3
    DarkMatterNova's Avatar

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    Re: Tranny, diff, rear end

    KICK A$$!


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  7. Top Of Page | #4
    Aboshan's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    I just did all that myself few weeks ago with upgraded diff covers and deep trans pan w/filter.

    All work very well with no reflash or relearn.

    2018 Ram 3500 (Aisin) Laramie 4X4 CCSB White/Silver.
    2018 Mustang GT Lightning Blue 6 spd manual.
    2021 Charger GT AWD Triple Nickel/Black



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  9. Top Of Page | #5
    Rambling Rump Ranger! SyN's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    It always makes me sleep so good @ night and gives me that Warm Fuzzy Feeling all day - when I service the fluids!

    It's even a good feeling hearing about other members doing this as well -

    Especially the Transfer Case - Many Neglect this service.

    2017 Bighorn (Delmonico Red & Chrome) CC-HD2500-4WD-6.7L-3:42w/Anti-Spin
    Oil: -SHELL- Rotella T6 5W-40 & T5 15W-40 combo w/LF16035
    68RFE/BW44-46/Power Steering: -Red Line- C+ ATF
    Frontend & Rearend: -Red Line- SAE GL-5 75W-90NS
    Many Small Mods: Interior & Exterior
    Mileage: 28,541

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  11. Top Of Page | #6
    MOD watersupply189's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    Quote Originally Posted by DarkMatterNova View Post
    I just changed the fluid in my transmission, front, and rear differential.

    Should I flash/reload the file on my truck or leave it as is.

    I wondered if it makes a difference with fresh fluid in a hydraulic system.

    PS: Also, the transfer case got some fresh lube.
    Negative, drive, and enjoy knowing your tranny and diffs are happy!


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

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  13. Top Of Page | #7
    CrazyTrain's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    I look at fluid changes as alone time with my truck and my three furry friends.

    As I change the fluids in the truck, I add to my belly!

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.
    Reacquired 2001 3500, 5.9 nv4500, dually cab and chassis, 5” straight pipe, edge juice w/attitude. Otherwise all stock…..for now.

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  15. Top Of Page | #8
    Aboshan's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    Quote Originally Posted by SyN View Post
    It always makes me sleep so good @ night and gives me that Warm Fuzzy Feeling all day - when I service the fluids!

    It's even a good feeling hearing about other members doing this as well -

    Especially the Transfer Case - Many Neglect this service.
    I see much worse than neglecting the transfer case.

    I did mine while I was underneath the trans filter and pan upgrade.

    I also did the Power Stop Truck & Tow brake kit, both pads, and rotors, while I was at it.

    Well worth the cost and effort.

    The brakes are much better, and I like the look of the drilled and slotted rotors.

    Thanks to all the members who recommended fluid and parts for all this and to the forum vendors that are awesome at what they do.

    2018 Ram 3500 (Aisin) Laramie 4X4 CCSB White/Silver.
    2018 Mustang GT Lightning Blue 6 spd manual.
    2021 Charger GT AWD Triple Nickel/Black



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  17. Top Of Page | #9
    Yamahamod's Avatar

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    Re: Tranny, Transfer, Front & Rear Diff

    Just remember, never use transmission filters off of Amazon.

    They're not the same and will not hold the proper line pressure, causing you to wait for 30 seconds after starting your truck to put it in gear and run hot while in slow traffic.

    OEM, Baldwin, or Napa.


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