Removal and installation the steering knuckle (Opel Vectra C)

1. On models equipped with Electronic Damping Control, disconnect the ABS sensor wiring harness from the shock absorber strut.

2. Remove the corresponding wheel and loosen the hub mounting nut (see Section 4).

3. Remove the brake shoe guide and the front wheel brake disc (see Chapter 9).

4. Check the condition of the hydraulic support of the control lever (see Section 6).

5. Disconnect the steering arm and steering rod end from the steering knuckle.

6. Tie the drive shaft to the body elements with wire and remove the shaft journal from the hub assembly (see Chapter 8).

7. Release the bracket on the shock absorber strut and disconnect the ABS sensor wiring connector.

8. Loosen the nuts (see accompanying illustration) and remove the lower shock absorber strut mounting bolts.



9. Remove the steering knuckle (see illustration 5.8) from the shock absorber strut together with the hub assembly and brake shield.

10. Clamp the steering knuckle in a vice (see accompanying illustration), unscrew the 3 bolts securing the hub assembly and remove the assembly with the brake mechanism shield.

Note: If necessary, the hub assembly can be removed without removing the steering knuckle.

11. Installation is carried out in the reverse order of removal. Follow all instructions given in the relevant chapters and sections.