Here is some more info that I found:
You will have to jack up the rear of the vehicle and remove the rear stress plate under the transmission. The drain is right under the transmission between the axles and the fill is to the rear of the drivers axle. You will need a special tool to drain the oil. It is a Hazet tool number 2567-16. It is about 40.00 and you can order it thru
http://www.themotoringshop.com/