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jls095
September 29th, 2013, 15:19
I have a howl in 4WD. As a first diagnostic step I figured that I would check the differential fluid level. While the level was OK, the fluid was green. The consistency seemed fine, but the color was a pretty vivid green color - almost like antifreeze. What could have caused that?

airman401
September 29th, 2013, 18:30
I have seen heavy dif fluid with a greenish tint. Did you do the last change?

airman401
September 29th, 2013, 18:36
Looks like shockproof lightweight oil. It just came with color additives to be different.

Just check for milkiness which could mean there's water in there.

airman401
September 29th, 2013, 18:44
Also get a heavier oil and fill it up to the hole. Ok I'm done

Andy98xj
September 30th, 2013, 06:43
I've bought Chrysler Diff Oil from the dealer before and it was green.

GrimmJeeper
October 1st, 2013, 09:54
clean gear oil will have a greenish tint to it. as long as its not dark like used motor oil or looks like chocolate milk, doesn't smell horrible, and has no pearly look to it from fine ground metal shavings, you're good to go.