2wd to 4wd swap

[usmp89]

is it possible to change over a 4r44e 2wd trans to 4wd... i already have a donor 4wd trans that i can pull the shaft out n extension housing

 

[don4331]

Short answer: Yes, the extension housing & shaft can be swapped.

Long answer: The shaft is installed from the front; so you have to pull ALL the internals out of the 2wd trans; insert the 4wd shaft, and reinstall all the internals minus the 2wd shaft. At least that is how it was explained to me.

For me, if I have to pull the guts out, I might as well replace the worn ones in the 4wd transmission and have a transmission which I know will be good for years assuming the case was good. I just need to get over my fear of rebuilding an automatic.

If the transmission shop steered me incorrectly, hopefully someone will correct me. But the shop owner is a friend and knew at best he would sell me parts.

 

[adsm08]

No, that is about the size of it. The output shaft cannot be accessed for replacement without complete disassembly of the unit.

 

[usmp89]

so it is possible.... i will take it toa trans shop to do