Inspection and replacement of the front hub and bearings (Mondeo 1 and 2)

Inspection

1. The front hub bearings are non-adjustable and are supplied lubricated (see Fig. 3.1).



2. To check bearing wear, apply the parking brake, lift the front end and place it on supports.

3. Grasp the front wheel from above and below and rock it. Excessive play may indicate worn hub bearings. Do not confuse worn bearings with worn outer joint of the drive shaft or ball joint of the lower arm of the front suspension. Wear of hub bearings is manifested by vibration or uneven movement when the wheel rotates. It can also be determined by a characteristic noise while driving.

Replacement

4. Remove the steering knuckle assembly from the hub (paragraph 2).

5. After this, the hub must be removed from the inner bearing rings. The hub can be pressed out or knocked out using a metal pipe of a suitable diameter (see Fig. 3.5).

6. The hub will not come out of the bearings completely and you will need to use a puller to remove it.

7. Note that this procedure is for removing the hub only. It does not apply to removing the bearings. Inspect the condition of the races and balls to see if they can be reused. However, since it is difficult to remove the hub without damaging the bearings, especially using improvised means, it is recommended that the bearings are always replaced after removing the hub.



8. Using pliers for extracting elastic rings, pull out the inner and outer rings that secure the hub bearings in the steering knuckle (see Fig. 3.8).



9. Press out or knock out the bearings using a pipe with a diameter slightly smaller than the outside diameter of the bearings.

10. Clean the bearing seating surface in the steering knuckle.

11. Install one of the elastic rings into the outer groove of the steering knuckle.

12. Press or tap the new bearing into the steering knuckle until it rests against the elastic ring using a metal pipe whose diameter is slightly smaller than the outside diameter of the bearing. Do not press on the inner bearing ring.

13. Install the second elastic ring into the inner groove of the steering knuckle.

14. With the inner bearing race supported on a metal pipe, press or hammer the hub completely into the bearing.

15. Install the steering knuckle and hub (paragraph 2).

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