Ford 4R100 transmission

4R100

Was used 1997-up in many full-size Ford trucks.
1997 was a transition year where either a E4OD or a 4R100 could be found in any particular vehicle.

This is a computer controlled rear wheel drive overdrive transmission.

The 4R100 is the replacement for the E4OD but most parts are NOT interchangeable.

Rear cooler line is the cooler return line.

Band adjustment:
Intermediate = not adjustable
Reverse = Not used

Gear Ratios:
2.71:1 1st gear
1.54:1 2nd gear
1.00:1 3rd gear
0.71:1 4th gear
???????? reverse

Transmission

Pan gasket

(click on picture to enlarge)