Ford F-350 Differential Axle

What Are The Torque Specs On The Nut That Holds Rear Axle Hub And Bearings In Place? And Do I Need A Special Tool For This Job. And What Is...

My Axle Will Free Roll In Reverse But It Locks Up Going Forward. I Had Pulled The Rear Pinion To Replace It Due To Just Throwing A U-joint...

Have F350 Heavy Duty Diesel Leaking Fuel Passenger Side Onto Front Axle Found Leak At Small Steel Tube What Would Cause This Leaking From...