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 and tighten the hub/bearing bolts (1) to specifications Front Suspension Specifications.
5. Install the axle nut (3) and tighten to specifications Front Suspension Specifications.
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 and tighten nuts to specifications Front Suspension Specifications.
9. Install the brake caliper adapter with the caliper Disc Brake Caliper Adapter - Installation.
10. Install the wheel and tire assemblies Service and Repair.
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.