The best place to find an exploded view is at your local dealer. They should be able to print you a copy. The front diff should be the same on all models including your diamond addition.
You can find the 1999 Ford F1 50 front differential exploded view diagram at most Ford dealerships. You can also find the exploded view diagram in Ford service manuals.
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I would go to your local library and look for a Chiltons or Hayne's manual. That is usually not an end user adjusted part of the car. They aren't going to give you the exploded view because, similar to the transmission, they don't want people messing with it. However I used to work at American Axle (the makers of that front differential) and know that axle inside and out. If you can describe to me what your looking for maybe I can help you.
The front differential is an "open" differential. No limited slip components there.
The front differential uses 80w90.
It's an open front differential if it is stock. So is the rear differential
Unless you have a 4x4 or 6x6 unit, there is no front differential.
What is the fluid capacity front differential 2004
The front differential uses 80W90 gear oil.
You must remove the transmission, the front differential is built right in.
front
On a 2004 Ford Expedition , 4x4 : The front differential has a tube ( hose ) coming off the top of the differential ( the biggest part of the case where the gears are )