Adjusting the parking brake system (Mercedes-Benz Vito W638)

1. Run in the parking brake system. To do this, tighten the parking brake system with a force of 1000 N at approximately 60 on the stand. Or, with the vehicle speed at approximately 60 km/h, apply the parking brake lever for 8 seconds. Do not overheat the pads.

2. Remove one mounting bolt on each rear wheel.

3. Raise the car.

4. Loosen the parking brake cables by unscrewing the adjusting bolt 1 (see figure 9.13).



5. Adjust the free hole in the wheel so that the adjusting nut 2 is visible.

6. Adjust the position of the adjusting nut 2. Insert a screwdriver into the hole and turn the nut 2 until the wheel is locked. Then loosen it 3-4 turns.

7. Tighten the wheel mounting bolt.

8. Adjust the parking brake cable.

9. Tighten the drive lever several times - the wheels should rotate without resistance.

• Effort for the parking brake pedal: 190-260 Nm.
• The force on the parking brake system drive lever: 120-150 Nm.