Removal and installation of the rear hub assembly, replacement of the ball joint (Mercedes-Benz M-Class W163)

1. The details of the rear hub assembly installation are shown in the illustration to which all references in the text refer.

2. Set the parking brake and loosen the hub nut (12).

3. Remove the corresponding rear wheel.

4. Remove the wheel sensor (L6/3 in case of left wheel).

5. Remove the brake caliper (111) (see Chapter Brake and auxiliary systems).

6. Remove the heat disc (112b) (see Chapter Brake and auxiliary systems).

7. Remove the parking brake shoes (see Chapter Brake and auxiliary systems).

8. Release the parking brake cable (112a) from the support bracket on the hub assembly.

9. Using a puller, release the tensioner joint (97a) from the hub assembly.

10. Press the ball joint (91a) of the upper suspension arm out of the hub assembly.

11. Using an extractor, press the rear drive shaft out of its flange - try not to damage the CV joint boot and the wheel sensor rotor. Tie the released shaft to the suspension/frame elements.



12. Having secured the hub assembly, release the tail of the lower ball joint (7a) from the suspension arm.

13. Remove the hub assembly.

14. Installation is carried out in the reverse order, finally making the necessary adjustments to the wheel alignment angles.

Replacing the ball joint

1. The details of the installation of the lower ball joint are shown in the illustration, to which all references in the text refer.

Original published on the website mercedesman.ru

2. Remove the hub assembly (see above) and press out the lower ball joint (7a) using a suitable drift (a).

3. Using the special key (9), loosen the castle nut (7b).

4. Using a crown nut and a special key, press the new ball joint into the hub assembly until it stops - replace the nut.

5. Install the hub assembly in its original place.