Assembly overview - brake servo/brake master cylinder, LHD vehicles

Complete brake master cylinders and brake servos can be renewed independently of each other.

1 -	Brake line

From secondary piston circuit of brake master cylinder to hydraulic unit.

With thread M12 x 1

14 N·m

2 -	Brake line

From primary piston circuit of brake master cylinder to hydraulic unit.

With thread M12 x 1

14 N·m

3 -	Brake fluid level warning contact -F34-

4 -	Brake fluid reservoir

5 -

Cap

6 -

Bolt

4 N·m

7 -	Brake servo

Removing and installing → Chapter

The following electrical components are integrated in the brake servo:

Brake pedal position sender -G100-

Brake pedal position sender 2 -G836-

Voltage supply sender 1 -G730-

Voltage supply sender 2 -G731-

Brake servo current sensor -G822-

Brake servo temperature sender 1 -G838-

Brake servo temperature sender 2 -G839-

Motor position sender for brake servo -G840-

Brake servo control unit -J539-

Motor for electromechanical brake servo -V548-

8 -

Seal

For brake servo.

Check for damage.

9 -

Nut

Always renew after removing.

25 N·m

10 -	Mounting bracket with brake pedal

11 -	Sealing ring

Renew

12 -	Brake master cylinder

Cannot be repaired. If faulty, renew as a complete unit.

Removing and installing → Chapter

13 -	Brake line

To brake system pressure accumulator -VX70-

With thread M10 x 1

14 N·m

14 -

Bolt

Renew after removing

22 N·m

15 -	Sealing plug

Moisten with brake fluid before installing