Remove/Install Electronic Stability Program (ESP(R)) Hydraulic Unit - AR42.45-P-0817XG
Model 463
as of model year 2019
Fig 1: Electronic Stability Program (ESP(R)) Hydraulic Unit Components Location - Model 463 As Of Model Year 2019
| 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 | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Remove/install | |||
| 1 | Perform commissioning of ESP® control unit (N30/4). | When installing a new traction system hydraulic unit (A7/3) | |
| AD00.00-P-2000-04B | |||
| 2 | Switch off ignition and store transmitter key outside of transmitter range (at least 2 m). | ||
| 3 | Open hood. | AR88.40-P-1000XG | |
| 4 | Detach sealing (1) on front-end assembly. | ||
| 5 | Remove air intake scoop (2) and dust filter. | ||
| 6 | Release vacuum line (3) and electrical lines (4) from center partition (5). | ||
| 7 | Unscrew screws (6). | ||
| 8 | Unclip center partition (5) together with the damping and remove. | ||
| 9 | Remove right front wheel and tire assembly. | AR40.10-P-1102XG | |
| 10 | Remove right front fender liner. | AR88.10-P-1300XG | |
| 11 | Remove hose line (7) from right partition (8). | ||
| 12 | Unscrew nuts (9). | ||
| 13 | Remove right partition (8). | ||
| 14 | Clean traction system hydraulic unit (A7/3) in the area of the brake line connections. | Thoroughly clean area around connecting points before opening hydraulic system. Otherwise minute dirt particles in the hydraulic components result in malfunctions and total failure of the hydraulic system. Do not use any compressed air for cleaning when the brake system is open. |
|
| Assembly cleaner | *BR00.45-Z-1028-04A | ||
| 15 | Release electrical connector (10) on Electronic Stability Program control unit (N30/4) then disconnect it. | AR42.45-P-0820-02LW | |
It is essential to follow the work instructions for disconnecting the electrical connector (2). Otherwise the locking mechanism can be damaged. Do not touch contacts of electrical connector (10) on Electronic Stability Program control unit (N30/4) and do not damage them. Do not allow any foreign objects, dirt or fluids to enter into the electrical connector (10). Otherwise, the ESP® control unit (N30/4) will be damaged and malfunction. |
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| 16 | Mark brake lines (11) for corresponding connection. | ||
| 17 | Unscrew brake lines (11) from traction system hydraulic unit (A7/3). | ||
| *BA42.10-P-1004-04B | |||
| 18 | Seal exposed brake lines (11) and connections on the traction system hydraulic unit (A7/3) with suitable stop plugs. | Seal brake lines (11) and connections on traction system hydraulic unit (A7/3). Otherwise the ingress of foreign objects will lead to damage to the traction system hydraulic unit (A7/3). |
|
| Fig 2 | |||
| 19 | Pull traction system hydraulic unit (A7/3) together with holder (13) upward out of elastomer bearings (12). | ||
| 20 | Remove screw (14). | When installing a new traction system hydraulic unit (A7/3) | |
| *BA42.45-P-1001-01N | |||
| 21 | Remove holder (13) from traction system hydraulic unit (A7/3). | ||
| Check | |||
| 22 | Check elastomer bearings (12) for wear and damage. | If damage is present, ↓ replace elastomer bearings (12). |
|
| 23 | Install in reverse order. | ||
| 24 | Bleed brake system. | AR42.10-P-0010XG |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 463 as of model year 2019 | |
|---|---|---|---|
| BA42.10-P-1004-04B | Brake line to ABS/ESP hydraulic unit | Nm | 16 |
ELECTRONIC STABILITY PROGRAM (ESP®)
| Number | Designation | Model 463 as of model year 2019 | ||
|---|---|---|---|---|
| BA42.45-P-1001-01N | Screw/bolt, bracket to traction system hydraulic unit | M6 | Nm | - |
| M10 | Nm | 27 | ||
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |