Now that's a "Blue Ribbon" idea, I wish I had thought of it. The next time I fill my transfer case I'll use it.

On a stock Jeep it's tough to fill the diff, a little easier on a lifted one. I once got the bright idea to use a hand pump to fill my diff's but discovered the 90W diff oil too thick for the hand pump.

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my trail & highway ride (and occasional tow rig)
04 Liberty Sport with a 2.5" lift, ProComp 245/75R16 AT's and two Hella700FF lamps (more accessories to come)

my trail queen
95 YJ with a RE 4" lift, 33" ProComp Extreme's, M8000 Winch, Lockrite Locker up front, Super35 in the rear and 4.88 gears

LOL same thing happened to me, i used the 140wt, it just seeped past all the seals in the pump and made a mess.

i have a small chalk line bottle with the pointy lid on it, its about 1/4 the size of the gear oil quarts, i can fit that in the tight areas better, like back there by the rear diff and gas tank, just keep refilling it, works great

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2002 Cactus Green Renegade~OME HD/Rancho
235-85-16 Firestone Destination MT's~Detroit Locker~AL's 4.5 Arms
ARB bumper/Superwinch 9k~PIAA 540 driving lights/PIAA reverse lights~Crane 8.25 diff cover