ar4230p0705ff

Remove/install ABS hydraulic unit

Type ar · topic 42.30 · version 0105 · 2011-11-15

Applies to: MODEL 454.0## 1# with CODE (LHD) Left-hand drive vehicle except CODE (V33) ESP

Where it sits

Function group 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.30 Anti-lock brake system (ABS) — Series 454 (models 0**)

EinPAS 26 Active safety system › 26.20 Braking/traction control › 26.20.35 Hydraulic unit — Series 454 (models 0**)

AR42.30-P-0705FF

Remove/install ABS hydraulic unit

10.11.11

MODEL 454.0## 1#
with CODE (LHD) Left-hand drive vehicle
except CODE (V33) ESP

Remove/install ABS hydraulic unit

P42.30-2126-05

Shown on vehicle with engine 135.9

1 Brake lines

2 Locking clamp

3 Electrical connector

4 Hydraulic unit

9 Left front brake line

10 Right front brake line

11 Brake line, rear left

12 Brake line, right rear

Remove/install ABS hydraulic unit

P42.30-2123-02

4 Hydraulic unit

5 Hydraulic unit bracket

6 Nuts

7 Rubber bushing

8 Rubber bushing

N47-7 ABS control unit

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.

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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Check bolted connection of brake lines (1, 9, 10, 11, 12) for color coding

Installation: Mark brake lines (1, 9, 10, 11, 12) accordingly.

AR42.10-P-0013-05SM

"Yellow" locking paint

*BR00.45-Z-1027-07A

"Red" safety paint

*BR00.45-Z-1028-07A

2

Remove water collector

AR83.25-P-1402FF

3

Remove battery tray

AR54.00-P-0002FF

4

Extract brake fluid from brake fluid reservoir

Brake fluid change unit

gotis://B_42/43.2_01

5

Detach left rear brake line (11) and right rear brake line (12) from the hydraulic unit (4)

Collect brake fluid which runs out in a suitable container.

Seal openings of left rear brake line (11) and right rear brake line (12) and hydraulic unit (4) with suitable plugs.

*BA42.10-P-1005-04G

Installation: Replace the left rear brake line (11) and right rear brake line (12) if initial color coding testing color coding.

See:

Remove/install rear axle brake lines

AR42.10-P-0017FG

6

Detach left front brake line (9) and right front brake line (10) from hydraulic unit (4)

Collect brake fluid which runs out in a suitable container.

Seal openings of left front brake line (9) and right front brake line (10) and hydraulic unit (4) with suitable plugs.

*BA42.10-P-1005-04G

Installation: Replace the left front brake line (9) and right front brake line (10) if initial color coding testing makes this necessary color coding.

See:

Remove/install front axle brake lines

AR42.10-P-0017FF

7

Detach brake lines (1) from the hydraulic unit (4)

Collect brake fluid which runs out in a suitable container.

Seal openings of brake lines (1) and hydraulic unit (4) with suitable plugs.

*BA42.10-P-1005-04G

Installation: Replace the brake lines (1), if necessary after initial testing of the color coding.

See:

Remove/install brake lines from the master brake cylinder to the hydraulic unit

AR42.10-P-0017FK

8

Unlock locking clamp (2) of electrical connector (3) and disconnect electrical connector (3)

9

Unscrew nuts (6)

Replace self-locking nuts (6).

*BA42.30-P-1004-03B

10

Remove hydraulic unit (4) from the hydraulic unit bracket (5)

11.1

Detach rubber mounts (7, 8) from the hydraulic unit (4)

Only when replacing the hydraulic unit (4).

12.1

Detach ABS control unit (N47-7) from the hydraulic unit (4)

Only when replacing the hydraulic unit (4).

*BA42.30-P-1005-03B

13

Install in the reverse order

14

Bleed brake system

AR42.10-P-0010FG

15

Carry out transposition test

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04FF

STAR DIAGNOSIS diagnosis system

Brake lines, brake hoses

Number

Designation

Model
454.0 without code 30Y

BA42.10-P-1005-04G

Brake line to hydraulic unit

Nm

15

Hydraulic unit

Number

Designation

Model
454.0

BA42.30-P-1004-03B

Nut, hydraulic unit to bracket

Nm

9

BA42.30-P-1005-03B

Bolt, ABS control unit to hydraulic unit

Nm

3

Repair materials

Number

Designation

Order number

BR00.45-Z-1027-07A

"Yellow" locking paint

Lackfabrik Bäder GmbH & Co. KG
Dieselstrasse 34
73734 Esslingen
Germany
Tel. +49 711 381607
Fax +49 711 383092

BR00.45-Z-1028-07A

"Red" safety paint

Lackfabrik Bäder GmbH & Co. KG
Dieselstrasse 34
73734 Esslingen
Germany
Tel. +49 711 381607
Fax +49 711 383092

Referenced documents