With AOD

1. Raise and support vehicle.
2. Disconnect parking brake cable from equalizer, if necessary.
3. Disconnect drive shaft from rear axle flange, then remove drive shaft from transmission.
4. Disconnect speedometer cable from extension housing.
5. Remove engine rear support to extension housing attaching bolts.
6. Support transmission with suitable jack and raise transmission enough to remove weight from rear engine support.
7. Remove engine rear support from crossmember, then lower transmission and remove extension housing attaching bolts. Slide extension housing from output shaft and allow fluid to drain.
8. Reverse procedure to install.