Installation

1. Apply a coating of Long Life Lubricant, C1AZ-19590-B (ESA-M1C75-BA) or an equivalent lubricant to the lip surface; then, replace the hub inner grease seal. Use new axle shaft gaskets, then, install the axle shafts through the housing ends so that they will spline to the differential side gears. Prior to re-installation of the axle shaft, clean and remove any metallic debris in the hub bolt holes. Also inspect for cracked material around the holes, depth of the threaded hole, (minimum 1.0 inch), and oversized threaded holes, and replace hub if any of these three conditions are present. Install new shaft retaining bolts (with Loctite-type adhesive) and lockwashers.

2. After installing the rear wheels, roll the axle assembly under the vehicle.

3. Install the rear spring clips (U-bolts) and spring seat caps. On Econoline, tighten the nuts to 150-217 Nm (110-160 ft-lbs). Tighten F-Super Duty nuts to 200-270 ft-lbs (267-360 Nm).

4. Connect the rear shock absorbers, and install the stabilizer bar in position.

5. Connect the drive shaft to the rear universal joint flange.

6. Connect and adjust the parking brake cables (if so equipped).

7. Connect the hydraulic brake hose and bleed the brakes. Also connect the axle vent hose to the axle fitting on Econoline vehicles. The F-Super Duty axle vent hose is part of the brake hose assembly and uses a special "flow" bolt to secure the hose block assembly to the axle.

8. Fill the axle with the proper grade and specified amount of axle lubricant.

9. Lower the vehicle to the floor.