Removal

REMOVAL

NOTE: Replacement of the Unit III front hub/bearing assembly can be normally done without having to remove the steering knuckle from the vehicle. In the event that the hub/bearing is frozen in the steering knuckle and cannot be removed by hand it will have to be pressed out of the steering knuckle. The steering knuckle will require removal from the vehicle to allow the hub/bearing assembly to be pressed out of the steering knuckle.

Cotter Pin And Nut Lock:

1. Remove the cotter pin, and nut lock from the stub axle.

Nut Lock Wave Washer:

2. Remove the spring wave washer from the end of the stub axle.

CAUTION: Wheel bearing damage will result if after loosening hub nut, vehicle is rolled on the ground or the weight of the vehicle is allowed to be supported by the tires.

3. With the aid of a helper applying the brakes to keep the front hub from turning, loosen but do not remove the hub nut. The hub and driveshaft are splined together through the knuckle (bearing) and retained by the hub nut.
4. Raise vehicle on jack stands or centered on a frame contact type hoist.
5. Remove wheel lug nuts, and front tire and wheel assembly.

Front Disc Brake Caliper Mounting Bolts:

6. Remove front disc brake caliper to steering knuckle attaching bolts.

Brake Caliper Assembly Removal/Installation:

7. Remove disc brake caliper assembly from steering knuckle. Caliper is removed by first rotating top of caliper away from steering knuckle, and then removing bottom of caliper out from under machined abutment.

Supporting Brake Caliper:

8. Support disc brake caliper assembly using a wire hook, do not hang caliper assembly by hydraulic hose.
9. Remove the braking disc from the front hub/ bearing assembly.

Hub/Bearing To Stub Axle Retaining Nut And Washer:

10. Remove the retaining nut and the washer from the end of the stub axle.

Hub/Bearing Assembly Mounting Bolts:

11. Remove the four hub and bearing assembly mounting bolts from the rear of steering knuckle.

Hub And Bearing Assembly Removal From Steering Knuckle:

12. Remove the hub and bearing assembly from the steering knuckle.