Front Steering Knuckle: Service and Repair

Removal and Installation of Steering Knuckle


Caution:
- Do not replace demaged or leaking sleeve on joints which have already been used. In such a case, always replace supporting joint or upper control arm.
- Be sure to replace self-locking nuts and bolts!


Removal

1. Jack up vehicle at the front, place supporting jacks outside against lower control arms. Remove front wheel.




2. Unscrew steering knuckle arm (29) from Steering knuckle.




3. Unscrew brake caliper from steering knuckle and attach to torsion bar by means of a suitable hook. Do not expose brake hose to tensile stress.

Note: On vehicles with ABS. additionally remove rpm sensor from steering knuckle.

4. Remove front wheel hub.




5. Loosen hex. nut on guide joint (8) and remove joint from steering knuckle by means of tool.




6. Loosen hex. nut on supporting joint (arrow).




7. Swing steering knuckle (5) at top slightly outwards and force supporting joint from lower control arm (4) by means of tool (02).

8. Remove steering knuckle.

9. It required, unscrew cover plate from steering knuckle.


Installation

10. Check supporting joint in steering knuckle.

11. Check cover plate and screw to steering knuckle.

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12. Attach steering, knuckle to lower and upper control arm.

Attention! Keep cone of ball pins and seats in steering knuckle or lower control arm free of grease. Use new self locking hex. nuts.








13. If the ball pin on guide or supporting joint is turning when the hex. nut is tightened insert spacing disc (037) and pull cone of ball pin into steering knuckle (5) or lower control arm (4) by tightening hex nut. Then loosen hex nut remove spacing plate and tighten hex. nut to specified torque.



The spacing plate can be self-made.

14. Install front wheel hub.

15. On vehicles with ABS. fasten rpm sensor in steering knuckle by means of hex. socket screw.

16. Adjust wheel bearing end play.

17. Install brake caliper.

Attention! Do not twist brake hose and do not subject to tensile stresses.

18. Mount steering knuckle arm to steering knuckle with new seif-locking bolts.

19. Mount front wheel, lower vehicle.

20. Check wheel adjustment at front axle.

21. Check adjustment of head lights.