Fluid Change

hockeyfan · Feb 8, 2009

Hello I am new to the forum. I recently purchased a 1990 b2. I would like to change the front and rear diff fluids. Should I use 80w90 in both? Also what should i use in the transfer case? thanks for any help.

Rico · Feb 8, 2009

Somebody correct me if I'm wrong but the diffs get 90w and the transfercase gets 140w. That what my f150 calls for.

Wicked_Sludge · Feb 8, 2009

the diffs get gear oil...weight isnt important.

transfer case uses dextron III ATF.

hockeyfan · Feb 8, 2009

aprox. how much gear oil would i need for both diffs and atf fluid for the transfer case so i don't buy to much or to little?

Rico · Feb 8, 2009

My 1979 f150 took two quarts in the front and transfer case and three quarts in the rear.

Wicked_Sludge · Feb 8, 2009

the transfer case takes just over 1 quart. front axle takes 1.75 quarts and rear takes 2.5 quarts.

Fluid Change

hockeyfan

15+ Year Member

Rico

15+ Year Member

Wicked_Sludge

15+ Year Member

hockeyfan

15+ Year Member

Rico

15+ Year Member

Wicked_Sludge

15+ Year Member

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