Remove/install right front brake line

AR42.10-P-0033MCC

Remove/install right front brake line

4.5.15

Model

451.3/4

except code 494 (US version)

Shown on model 451.40, left-hand drive vehicle

1

Brake line

6

Hydraulic unit

10

Bracket

3

Nuts

7

Guide pin

11

Brake hose

4

Bolt

8

Brake lines

L6/2x1

Rpm sensor connector

5

Bracket

9

Retaining clip

 

Remove/install

 Danger !

Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid

Only pour brake fluid 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 repairs to brake system

AH42.00-P-0003-01A

1

Remove brake lines from hydraulic unit (6) to rear axle

AR42.10-P-0035MCC

 Remove brake lines from hydraulic unit (6) to rear axle only as far as it takes for the bracket (5) to be unscrewed.

2

Remove right front wheel

AR40.10-P-1100MCC

3

Remove front axle carrier support

Model 451.391/491
except code 494 (US version)

AR33.10-P-0002MEV

Model 451.390/392/490/492
with code V03 (Battery cooling system)
except code 494 (US version)

AR33.10-P-0002MEX

4

Remove screws/bolts on front axle carrier support

Remove/install support of front axle carrier.
Model 451.390/392/490/492
except code 494 (US version)
except code V03 (Battery cooling system)

AR33.10-P-0002MEX

5

Loosen nuts (3), unscrew screws/bolts (4) and remove bracket (5)

 Installation: Move guide pin (7) on hydraulic unit (6) into bracket (5).

 Screw/bolt, ESP hydraulic unit bracket to floor panel

*BA42.45-P-1008-01F

6

Support hydraulic unit (6) using telescopic lifter and removal fixture



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

7

Check color coding of threaded connections of brake lines (8) to hydraulic unit (6)

AR42.10-P-0013-05MCC

 Installation: Label brake lines (8) accordingly.

8

Loosen and disconnect threaded connections of brake lines (8) to hydraulic unit (6)

AR42.10-P-0034MCC

 Collect brake fluid in a suitable container. Seal connections using suitable plugs.

 Installation: Use 12 mm plug-in open end wrench. Do not bend brake lines (8), pay attention to routing, leaktightness and clearance.

 Brake line to ESP hydraulic unit

*BA42.10-P-1010-04E

If a brake line (8) with red color coding has been loosened, this brake line (8) must be replaced.



Replace brake line (8).

AR42.10-P-0034MCC

9

Lower the hydraulic unit (6) carefully until the brake line (1) is accessible

10

Unclip retaining clips (9) and rpm sensor connector (L6/2x1) from brake line (1) and unclip brake line (1) from brackets (10)

11

Check color coding of threaded connections of brake line (1) to the hydraulic unit (6) and the brake hose (11)

AR42.10-P-0013-05MCC

 Installation: Label brake line (1) accordingly.

12

Loosen threaded connections of the brake line (1) to the hydraulic unit (6) and the brake hose (11) and separate

 Collect brake fluid in a suitable container. Seal connections using suitable plugs.

 Installation: Do not bend brake line (1), pay attention to routing, leaktightness and clearance.

 Brake line to brake hose

*BA42.10-P-1002-04E

 Brake line to ESP hydraulic unit

*BA42.10-P-1010-04E

 Box wrench bit

*450589099904

 Socket wrench set

*451589000300

13

Remove vacuum line from brake booster

Model 451.390/392/490/492 1#
except code 494 (US version)

14

Remove brake line (1)

15

Replace brake line (1).

Only if the brake line (1) with the red color coding has been detached.

16

Install in the reverse order

17

Bleed brake system

AR42.10-P-0010MCC

 Brake lines, brake hoses

Number

Designation

Model 451.3/4

BA42.10-P-1002-04E

Brake line to brake hose

Nm

16

 Brake lines, brake hoses

Number

Designation

Model 451.3/4

BA42.10-P-1010-04E

Brake line to ESP hydraulic unit

Nm

16

 Electronic Stability Program (ESP)

Number

Designation

Model 451.3/4

BA42.45-P-1008-01F

Screw/bolt, ESP hydraulic unit bracket to floor panel

Nm

25