Rear Drive Axle/Differential - Dana 60 and 70

Axle Shaft - Semi-Floating Axle









Removal

All vehicles

1. Raise the vehicle on a hoist or raise the rear end of the vehicle with a jack. Install safety stands under the frame rails and lower the jack or hoist enough to allow the rear axle to drop into the rebound position for working clearance.

2. Remove the rear wheel and tire.

3. Remove the brake disc.

4. Remove the differential housing cover. For additional information, refer to Differential Housing Cover Service and Repair.

Vehicles equipped with RSC(R)

5. Remove the rear wheel speed sensor bolt. Position aside the spacer and the sensor.





All vehicles

6. NOTE: The differential assembly is equipped with a differential pinion shaft lock screw with torque prevailing threads. The torque prevailing differential pinion shaft lock screw has a 12-point drive head. This type of screw is reusable for no more than 4 installations. When in doubt about the number of installations of a torque prevailing differential pinion shaft lock screw, discard it and install a new screw.

Remove the lock screw.





7. Remove the differential pinion shaft.
- The pinion shaft is a slip-fit design and is removable by hand.





8. Push the flanged end of the axle shaft toward the center of the axle and remove the U-washer.





9. NOTICE: Do not damage the wheel bearing oil seal when removing the axle shaft.

Remove the axle shaft.





10. Install the differential pinion shaft and the old lock screw in the differential case.





Installation

All vehicles

1. Remove the lock screw and the differential pinion shaft.





2. NOTICE: Do not damage the wheel bearing oil seal when installing the axle shaft.

Push the axle shaft into the axle tube and engage the differential side gear with the shaft splines.





3. Push the axle shaft toward the center of the axle and install the U-washer. Pull the axle shaft outward until the U-washer locks into the differential side gear.





4. Align the differential pinion shaft lock screw hole with the hole in the differential case. Correctly position the differential pinion thrust washers. Install the differential pinion shaft.





5. NOTE: The threads in the differential case and on the lock screw must be free of dirt and oil.

Install the new lock screw.

- Tighten to 27 Nm (20 lb-ft).





6. Install the differential housing cover. For additional information, refer to Differential Housing Cover Service and Repair.

Vehicles equipped with RSC(R)

7. Install the rear wheel speed spacer, sensor and the bolt.
- Tighten to 25 Nm (18 lb-ft).





All vehicles

8. Install the brake disc.

9. Install the wheel and tire.