Chock tires.
Put pan under the axle housing.
Remove the cover from the back of the axle housing.
When lube comes pouring out check for metal chunks.
Start engine.
Put transmission in gear.
See if ring & pinion turn.
If ring & pinion gears turn normally, then one of the axle shafts are busted.
If ring & pinion gears do not turn normally, you could have a broken tooth on ether the ring or pinion gears.
If nothing moves in the axle housing, you could have a busted propeller shaft or the splines on one of the ends of the propeller shaft are stripped.
More than likely it is a broken tooth on ether the ring or pinion gears.
1938 Axle & partial torque tube 1938 Ring & Pinion and partial torque tube Exploded torque tube Torque tube cutaway bottom of page.
