Remove/install master cylinder

AR25.20-W-0100BA

Remove/install master cylinder

29.6.10

 

Remove/install

 Danger!

Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes

Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.

AS42.50-Z-0001-01A



Brake fluid notes

AH42.50-P-0001-01A



Notes on hydraulic fluid as per Specification, Sheet 345.0

AH00.40-N-0002-01A

1

Open maintenance flap

2

Detach trim grille

Model 375.3 with body 375.810,

Model 950.5/6, 952.5/6, 953.6, 954.5 with body 940.899

 No removal/installation instructions have been prepared for these models.

Model 375.1 with body 375.830/850,

Model 958 with body 958.860,

Model 970, 972, 974, 975, 976 with body 972.890/899

AR88.30-W-0003A

Model 374.5 with body 374.860,

Model 375.3 with body 375.820,

Model 950.5 /6, 952.5 /6, 953.6, 954.5 with body 940.890,

Model 958.2 with body 958.870

AR88.30-W-0003B

3

Remove door sill trim (1), left lower footwell cover (2) and left upper footwell cover (3)

Model 375.1 with body 375.830,

Model 375.3 with body 375.810,

Model 950.5/6, 952.5/6, 953.6, 954.5 with body 940.899,

Model 958.0 with body 958.860 without code (XV0) Global Cockpit,

Model 958.2 with body 958.870 without code (XV0) Global Cockpit,

Models 970, 972, 974, 975, 976 with body 972.899

AR68.30-W-1310B

Model 374.5 with body 374.860,

Model 375.1 with body 375.850,

Model 375.3 with body 375.820,

Model 950.5/6, 952.5/6, 953.6, 954.5 with body 940.890,

Model 958.0 with body 958.860 with code (XV0) Global cockpit,

Model 958.2 with body 958.870 with code (XV0) Global cockpit,

MODEL 970, 972, 974, 975, 976 with BODY 972.890

AR68.30-W-1310D

4

Remove retainer (5) and bearing bolt (7)

 Installation: Grease bearing bolt (7) and replace retainer.

*BR00.45-Z-1001-06A

5

Remove screws (6)



*BA25.20-N-1003-01N

6

Remove bolt (11) from expansion reservoir (12)



*BA25.20-N-1006-01N

7

Separate cable ties on master cylinder (14)

 Installation: Install new cable ties.

8

Remove master cylinder (14) with expansion reservoir (12) forwards

9

Empty expansion reservoir (12)

 Collect hydraulic fluid with a suitable container.

10

Remove retainer (13) from master cylinder (14)

 Installation: Install new retainer (13).

11

Disconnect hydraulic line (15) from master cylinder (14)

 In the event of sluggishness loosen the hydraulic line (15) at the metal fitting with slight rotary motions and pull out. Collect hydraulic fluid which runs out with a suitable container.

12

Detach expansion reservoir (12) from the master cylinder (14) with slight rotary motions

 Installation: The expansion reservoir (12) must engage in the rubber grommet of the master cylinder (14).

13

Install in the reverse order

14

Bleed clutch operating system

Vehicles with clutch booster and central clutch release bearing:



without code (IY2) Hydraulic fluid as per sheet 345.0

AR25.20-W-0070D

with code (IY2) Hydraulic fluid as per sheet 345.0

AR25.20-W-0070DA

Vehicles with clutch booster and without central clutch release bearing:



without code (IY2) Hydraulic fluid as per sheet 345.0

AR25.20-W-0070E

with code (IY2) Hydraulic fluid as per sheet 345.0

AR25.20-W-0070EA

Number

Designation

Model
374.4, 375.1, 958.0, 970, 972, 974, 975, 976 with engine
900.9, 902.9, 904.9, 906.9, 924.9, 925.9, 926.9

Model
374.5, 375.3, 950.5/6, 952.5/6, 953.6, 954.5, 957, 958.2
with engine 902.9, 906.9, 926.9

BA25.20-N-1003-01N

Bolt, master cylinder to pedal bracket

Nm

10

10

BA25.20-N-1006-01N

Bolt, expansion reservoir (master cylinder) to pedal bracket

Nm

10

10

Number

Designation

Order number

BR00.45-Z-1001-06A

Long-life grease

A 000 989 63 51 11