yoke change 489 case w/o disassembling

IF IT WAS A NEW REAR AND NO RING GEAR YOU ARE ONLY LOOKING AT 14-19 INCH LBS TO TURN THE PINION GEAR ON IT'S OWN A CLICK TYPE IS GOING TO BE HARD TO DO MAYBE A LOCAL PARTS STORE STILL HAS ONE TO RENT BECAUSE YOU WOULD BE DEALING WITH INCH LBS ON JUST THE PINION BUT THE WHOLE JACK POT WITH AXLES AND NO BRAKE DRUMS AND WHEELS AND TIRES YOU COULD BE LOOKING AT 40-50 FT LBS AS A GUESS AND FINDING A BEAM TYPE TORQUE WRENCH IN FT LBS IS A LOT EASIER TO DO. BUT YOUR IDEA SHOULD WORK BUT IT JUST GOING TO TAKE ALOT OF TIME TO GET IT RIGHT.