diff oil
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Senior User
Joined: Jan 2000
Posts: 259
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From: Mount Sunapee, NH
diff oil
I have a 99 Ranger 4x4 4.0 off road pakage and I am planing on changing the oil in both diffs. I was wondering if anyone knows what weight to use and how much each diff takes?
Thanks,
Jeff
Thanks,
Jeff
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
although pricey think about the mobil 1 synthetic. I just put it in the diff (75w90) and they have a heavier one also. I also put the valvoline synthetic ATF in the gearbox, shift real slick now.
94 4.0, 2wd 5 sp.
Hank
94 4.0, 2wd 5 sp.
Hank
Freshman User
Joined: Dec 2003
Posts: 40
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Originally posted by Mike W
Use 90 weight gear oil. How much.....I am guessing 3 quarts.
If you have limited slip, you need a bottle of the friction modifier for each.
Use 90 weight gear oil. How much.....I am guessing 3 quarts.
If you have limited slip, you need a bottle of the friction modifier for each.
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
Originally posted by irazu
What happens if you dont put the frition modifier in the limited slip?
What happens if you dont put the frition modifier in the limited slip?
But keep in mind, you want to use as little of the friction modifier as possible in order to retain maximum limited slip action. So if you have no chatter, then leave your diff fluid alone and don't add anything. If you do have some chatter, then you want add a little bit of the modifier, drive around test it, add more if necessary or don't, as the case may be, etc., until the chatter is gone. Less is better in this case.
