If you're dealing with a torque tube, be careful where you put the jack stands. You'll need to support the frame rails in the rear, not the axle tubes This takes the vehicle weight off the rear springs. A friend back in high school was injured when he disconnected a driveline with jack stands under the axle tubes and the torque tube slammed down on him under spring pressure.
I've used a 4X4 wood post across the window openings and a cable come-along to lower heavy transmissions to the ground, and reinstalled them the same way.
Jerry
