4r44e to a 5r55e


themanrosen

10+ Year Member

Joined
Oct 17, 2007
Messages
7
Points
3,001
Age
39
Vehicle Year
1995
Transmission
Automatic
Its time for me to rebuild my 3.0 tranny, and after doing some research, i found out that the 4.0 ranger comes with a 5 speed auto. my 3.0 has a
4r44e and i was wondering if a 5r55e would bolt on? or if so, what might i have to do to use the 5 speed. My ranger is a prerunner, and the 5 speed auto would a great help.
 
the 4.0 has a different bell housing than the 3.0......the bellhousings are NOT removable from the transmissions......
 
mjones said:
the 4.0 has a different bell housing than the 3.0......the bellhousings are NOT removable from the transmissions......
Click to expand...

Yes they are but there are internal changes which don't make the swap feasable.

The 5R55E has similair componants inside as the 4R just beefier. The 5th gear is actualy "in the PCM" so to speak. PCM commands O/D band on in 1st to split the 1st and 2nd gears. 2nd becomes 3rd.

If you WERE to install a 5R in place of a 4R, you would still only have 4 forward gears.
 
The 5 speed part doesnt come in until you stand on it, normal driving it shifts like a normal 4 speed.
 
Bruce said:
The 5 speed part doesnt come in until you stand on it, normal driving it shifts like a normal 4 speed.
Click to expand...

Or when it's cold, IIRC.
 
what all would you have to change on it to make the 5R55E work in a truck that came with the 4R44E? it is a 3.0.
 
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