Remove/install ETS/ASR/ESP hydraulic unit - AR42.40-P-0816NKB
MODEL 117, 156, 176, 242, 246
Shown on MODEL 246
| Risk of injury due to fan starting unexpectedly | Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. | AS20.40-Z-0001-01A | |
| 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 | |
| Notes on externally invisible brake fluid loss | AH42.10-P-9406-02V | ||
| 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 | Switch off ignition and remove transmitter key from electronic ignition lock control unit | ||
| 2 | Remove air filter housing | MODEL 117, 156, 176 with ENGINE 133 | AR09.10-P-1150MTA |
| ENGINE 607 in MODEL 176, 246 | AR09.10-P-1150ORA | ||
| ENGINE 651 in MODEL 117, 156, 176, 246 | AR09.10-P-1150OLB | ||
| ENGINE 270 in MODEL 117, 156, 176, 242, 246.2 | AR09.10-P-1150MT | ||
| Clean | |||
| 3 | Clean traction system hydraulic unit (A7/3) in the area of the brake lines (3) | Assembly cleaner | *BR00.45-Z-1028-04A |
| 4 | Disconnect electrical connection (2) on Electronic Stability Program control unit (N30/4) | MODEL 117, 156, 176, 242, 246 without CODE 239 (DISTRONIC PLUS) Otherwise, the Electronic Stability Program control unit (N30/4) will be damaged and malfunction. |
AR42.45-P-0820-02NKB |
| 5 | Detach complete left front wheel | ||
| AP40.10-P-4050AK | |||
| 6 | Remove left front wheel well paneling | AR88.10-P-1300NKB | |
| 7 | Unclip electrical line from bracket (1) | ||
| 8 | Mark brake lines (3) for corresponding connection | ||
| 9 | Detach brake lines (3) on traction system hydraulic unit (A7/3) | ||
| *BA42.10-P-1004-04L | |||
| Figure | |||
| Figure | |||
| Fig 3 | |||
| Fig 2 | |||
| 10 | Unscrew nuts (5) and remove traction system hydraulic unit (A7/3) with bracket (1) | *BA42.45-P-1004-01M | |
| 11 | Install in the reverse order | ||
| 12 | Carry out calibration of the Electronic Stability Program control unit (N30/4) with diagnostic system | When installing a new traction system hydraulic unit (A7/3). | |
| AD00.00-P-2000-04A | |||
| 13 | Bleed brake system | AR42.10-P-0010NKB |
BRAKE LINES, BRAKE HOSES
| Number | Designation | MODEL 117 | MODEL 156 | ||
|---|---|---|---|---|---|
| BA42.10-P-1004-04L | Retaining screw, brake line to hydraulic unit | Ø4.75 | Nm | 18 | 18 |
| Ø6 | Nm | 18 | 18 | ||
| Ø8 | Nm | 24 | 24 | ||
BRAKE LINES, BRAKE HOSES
| Number | Designation | MODEL 176 | MODEL 242 | ||
|---|---|---|---|---|---|
| BA42.10-P-1004-04L | Retaining screw, brake line to hydraulic unit | Ø4.75 | Nm | 18 | 18 |
| Ø6 | Nm | 18 | 18 | ||
| Ø8 | Nm | 24 | 24 | ||
BRAKE LINES, BRAKE HOSES
| Number | Designation | MODEL 246 | ||
|---|---|---|---|---|
| BA42.10-P-1004-04L | Retaining screw, brake line to hydraulic unit | Ø4.75 | Nm | 18 |
| Ø6 | Nm | 18 | ||
| Ø8 | Nm | 24 | ||
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | MODEL 117 | MODEL 156 | |
|---|---|---|---|---|
| BA42.45-P-1004-01M | Bolt/nut, bracket for hydraulic unit to body | Nm | 10 | 10 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | MODEL 176, 246 | MODEL 242 | |
|---|---|---|---|---|
| BA42.45-P-1004-01M | Bolt/nut, bracket for hydraulic unit to body | Nm | 10 | 10 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | Adolf Wurth GmbH & Co. KG |