Axle Assembly: Installation

All vehicles 

1. Position the axle housing on a suitable transmission hydraulic jack.
   • Securely strap the jack to the housing.

2. Raise the axle and connect the ATC electrical connector.

   Vehicles equipped with an RDU with a aluminum differential cover 

3. Connect the RDU vent tube.

   Courtesy of FORD MOTOR COMPANY

   All vehicles 

4. Install the 6 side insulator bracket-to-rear axle differential bolts.
   • Tighten to 90 Nm (66 lb-ft).

5. Install the 4 differential housing-to-front insulator bracket bolts.
   • Tighten to 90 Nm (66 lb-ft).

6. Install the stabilizer bar. Refer to Rear Suspension .
7. Install the rear halfshafts. Refer to Rear Drive Halfshafts .
8. Install the driveshaft assembly. Refer to Driveshaft .
9. NOTE: If replacing the axle assembly, the 4X4 control module will need to be reconfigured with the new Active Torque Coupling (ATC) bar code information. If the new bar code information does not match the existing 4X4 control module information, driveline damage or driveability concerns can occur.

   If installing a new RDU, re-configure the Automatic Torque Coupling (ATC). Refer to Four Wheel Drive (4WD) Systems .