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Thread: JL Wrangler FLUIDS & CAPACITIES

  1. #21
    Hooked
    Join Date
    Feb 2018
    Location
    Danville, Indiana
    Posts
    199
    Quote Originally Posted by JIMBOX View Post
    Remember in the rear Diff. you should fill it--then drive around the block and when you uncork the "FILL" plug--you should have to add some more--

    The rear axles will take some of the FLUID from your first fill--

    W.E.

    JIMBO
    Thanks, Jimbo, I'll top it off tonight. I've not done that before.

    On another note, a friend showed me the JL service manual and it does indeed recommend 75w140 for towing. I'll leave the w90 in there for now, though, as I'm not towing until Spring and even then, the towing will be a lightweight fishing boat. I'll change back to 140w in March. The service manual also confirmed that it was right about 1.5 quarts, or 3.06 pints for the capacity. That's about exactly what I was able to put in it.

  2. #22
    Hooked
    Join Date
    Dec 2017
    Location
    FERNLEY NV
    Posts
    108
    That sounds good to me, the main reason I use the VALVOLINE 75W-140 IS i BOUGHT A CASE (12) years ago and also read a lab report that the 75wx140 would add a little resistance(load) to the Diff gears, but the (Valvoline synthetic) would maintain the fluid LUBE at HIGH LOAD TEMPS and not break down like DINO oil--

    Good luck

    JIMBO

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