AR42.40-P-0816FF | Remove/install ETS/ASR/ESP hydraulic unit | 10.11.11 |
MODEL 454.0## 1#
with CODE (LHD) Left-hand drive vehicle
with CODE (V33) ESP
P42.40-2023-05
Shown on vehicle with engine 135.9
1 Brake lines
2 Locking clamp
3 Electrical connector
4 Hydraulic unit
5 Hydraulic unit bracket
9 Left front brake line
10 Right front brake line
11 Brake line, rear left
12 Brake line, right rear
P42.45-2446-02
4 Hydraulic unit
5 Hydraulic unit bracket
6 Nuts
7 Rubber bushing
8 Rubber bushing
N47-5 ESP control unit
Modification notes
| 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. | |
| Brake fluid notes | ||
| Notes on repairs to brake system | ||
| Information on preventing damage to electronic components due to electrostatic discharge | ||
1 | Check bolted connection of brake lines (1, 9, 10, 11, 12) for color coding | ||
Installation: Identify brake line (1, 9, 10, 11, 12) accordingly. | |||
Mark brake lines | |||
"Yellow" locking paint | |||
"Red" safety paint | |||
2 | Remove water collector | ||
3 | Remove battery tray | ||
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 the openings on the left rear brake line (11), right rear brake line (12) and hydraulic unit (4) with suitable plugs. | |
| |||
Installation: Replace the left rear brake line (11) and right rear brake line (12) if initial color coding testing makes this necessary color coding. See: | |||
Remove/install rear axle brake lines | |||
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 the openings on the left front brake line (9), right front brake line (10) and on the hydraulic unit (4) with suitable plugs. | |
| |||
Installation: Replace the left front brake line (9) and right front brake line (10) if initial color coding testing color coding. See: | |||
Remove/install front axle brake lines | |||
7 | Detach brake lines (1) from the hydraulic unit (4) | Collect brake fluid which runs out in a suitable container. Seal openings on the brake lines (1) and hydraulic unit (4) with suitable plugs. | |
| |||
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 | |||
8 | Unlock locking clamp (2) of electrical connector (3) and disconnect electrical connector (3) | ||
9 | Unscrew nuts (6) | Replace self-locking nuts (6). | |
| |||
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 ESP control unit (N47-5) from the hydraulic unit (4) | Only when replacing the hydraulic unit (4). | |
| |||
13 | Install in the reverse order | ||
14 | Bleed brake system | On vehicles with code (30Y) Disk brakes on rear axle | |
On vehicles without code (30Y) Disk brakes on rear axle | |||
15 | Carry out transposition test | ||
| Connect STAR DIAGNOSIS and read out fault memory | ||
STAR DIAGNOSIS diagnosis system |
Brake lines, brake hoses
Number | Designation | Model | Model | ||
BA42.10-P-1005-04G | Brake line to hydraulic unit | Nm | 15 | 15 | |
Electronic Stability Program (ESP)
Number | Designation | Model | ||
BA42.45-P-1001-01G | Nut, hydraulic unit to bracket | Nm | 9 | |
BA42.45-P-1004-01G | Bolt, ESP control unit to | Nm | 3 | |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1027-07A | "Yellow" locking paint | Lackfabrik Bäder GmbH & Co. KG |
BR00.45-Z-1028-07A | "Red" safety paint | Lackfabrik Bäder GmbH & Co. KG |
Referenced documents
- ad0000p200004ff Connect STAR DIAGNOSIS, read out fault memory
- ah4200p000301a Notes on repairs to brake system
- ah4250p000101a Brake fluid notes
- ah5400p000101a Information on preventing damage to electronic components due to electrostatic discharge
- ar4210p0010ff Bleed brake system
- ar4210p0010fg Bleed brake system
- ar4210p001305sm Mark brake lines
- ar4210p0017ff Remove/install brake lines
- ar4210p0017fg Remove/install brake lines
- ar4210p0017fk Remove/install brake lines
- ar5400p0002ff Remove/install battery tray
- ar8325p1402ff Remove/install water collector
- as4250z000101a Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid