Installation

4500 AND 5500

NOTE: If installing a NEW hub/bearing on a 4X4 only Steps 1-3 should be followed for the correct shim size.





1. Measure from the new hub/bearing unit crimp (2) to the flange (3).

2. Choose the correct shim according to the table:









3. Check the shim (2) on the axle shaft (3). Be sure that the shim (2) is placed with the radius side (1) to the joint.





4. Install the hub/bearing to the knuckle. Tighten the hub/bearing bolts (1) to 202 Nm (149 ft. lbs.





5. Install the axle nut (3) and tighten to 356 Nm (263 ft. lbs.).





6. Install the wheel speed sensor 2) to the hub and tighten the bolt (1). Wheel Speed Sensor - Installation.





7. Install the disc brake rotor (1). Brake Rotor - Installation.
8. Install the hub extension (2) and nuts to the front rotor. Tighten nuts to 130 Nm (96 ft.lbs).

9. Install the brake caliper adapter with the caliper, Disc Brake Caliper Adapter - Installation.
10. Install the wheel and tire assemblies, Removal and Replacement.
11. Remove the support and lower the vehicle.
12. Apply the brakes several times to seat the brake shoes and caliper piston. Do not move the vehicle until a firm brake pedal is obtained.