e4od to aod swap???
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Senior User
Joined: Sep 2008
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From: Penticton BC Canada
e4od to aod swap???
I hope i have my info on these tranny's correct. I have a 91 f-150 4x4 with the push button o/d and im wondering if my rebuilt aod from a friends 88 bronco which does not have the electronic o/d is a straight swap or will it affect the computer or anything else?
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Joined: Apr 2004
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It will affect the computer and the trans are different sizes so mounts, driveshafts, linkages etc need to be changed. (E4OD is 7+ inches longer) The AOD is a weak sister anyway. Fix the E4OD.
TCI - Ford E4OD / 4R100
E4OD and 4R100E Performance Products
TCI - Ford E4OD / 4R100
E4OD and 4R100E Performance Products
Post Fiend
Joined: Jan 2005
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Read the transmission code off the door post on each truck or count the number of transmission oil pan bolts, then go to the `87-`96 F-Series page and click on Tech Info. This will tell you exactly what you have.
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IIRC the AOD would have the OD in the shift quadrant like:
P R N OD D L
E4OD would have the button...again, iirc.
The AOD E /4R70W would be electronic with the button.
There are pics on those links, and you can't mistake the E4od for anything else. Also this:
Transmission Identification - Ford
P R N OD D L
E4OD would have the button...again, iirc.
The AOD E /4R70W would be electronic with the button.
There are pics on those links, and you can't mistake the E4od for anything else. Also this:
Transmission Identification - Ford
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Senior User
Joined: Sep 2008
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From: Penticton BC Canada
I still haven't confirmed which one i have yet. My reasoning is because the aod is free and rebuilt. The trans i have now is not down shifting to first when i come to a stop. Only way it does is if i manually pull it down or as i start moving it starts out in second then after a foot or two it drops hard down to first.
Also if i put the shifter in second at a complete stop it will start out in second and lug itself with no down shift.
This is the third trans in this truck in 4 years. It is supposed to have a shift kit and upgraded clutches etc, does have a fairly hard 1-2 shift especially in low range.
Also if i put the shifter in second at a complete stop it will start out in second and lug itself with no down shift.
This is the third trans in this truck in 4 years. It is supposed to have a shift kit and upgraded clutches etc, does have a fairly hard 1-2 shift especially in low range.
