Need Info on TCase and Diffs - Ford Powerstroke Diesel Forum
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Old 11-29-2007, 07:20 PM
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Need Info on TCase and Diffs

Hello Everyone,

I searched....and searched. I cant find info on the stock TCase and Diffs.
I am changing out the fluids and they are special order so once I drain, I want to insure I have what I need. I have a

2003 Ford F-250 7.3L 4x4

Trans is auto and its 18 qts...I know that
Anti-Freeze is 33 qts...I know that.
I have NO idea what size the tcase is nor the capacity.
Rear diff 80? 135?

I think I have 3.73's

I looked at the door tag, tried to find a VIN decoder...the works..

Any help is appreciated.
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Old 11-30-2007, 02:55 AM
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the TC takes synthetic ATF and IIRC it is 3 quarts, fill until it comes out of the hole. Ford has changed specs several times on my rear end fluid (Dana 80) , check your owners manual, or go here and it will give you all the info you need.

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