You do not have to pull the motor. But, trying to drop the pan with removing the cradle is all but impossible. It is a real struggle and getting the motor to rises enough to clear the pick up is tough.
Get 2 2x4s and some blankets or other padding and place them on the fenders. Use two cheap
nylon binders on either sides. Hook them to the motor mount stands. Put tension on the binders. The drain the PS by disconnecting the the lines before the PS oil cooler.
Now that the motor is suspended, disconnect the steering rack from the steering shaft. Leave the rack on the cradle, and drop the cradle as a unit. Remove the struts too at the steering knuckle and let them hang on the upper mount. You do not have to remove accessories. Remove the cradle bolts and the calipers. The assembly comes out as one unit with hubs and tie rod attached.
Then its easy to take out the pan bolts and change the windage tray without struggling with tight clearances.