Remove/Install Electronic Stability Program (ESP) Hydraulic Unit - AR42.45-P-0817GQ
MODEL 166, 292
Shown on model 166.057
| 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 |
Connect vehicle diagnosis system and store basic data from ESP® control unit (N30/4) | Only when replacing the traction system hydraulic unit (A7/3). | AD00.00-P-2000-04A |
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Open hood | Model 166 | AR88.40-P-1000GQ |
| 4 | Remove left intake air duct | Model 166, 292 with engine 642 | |
| 5 | Clean traction system hydraulic unit (A7/3) in area of brake lines (1) | Before opening the brake system, the area around the separating point must be cleaned thoroughly. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the brake system. |
|
| 6 | Mark brake lines (1) for corresponding connection | ||
| 7 | Detach brake lines (1) from traction system hydraulic unit (A7/3) | *BA42.45-P-1002-01J | |
| Fig 3 | |||
| Fig 1 | |||
| 8 | Seal exposed lines immediately | Fig 2 | |
| 9 | Remove screws (2) | *BA42.45-P-1003-01J | |
| 10 | Disconnect electrical connector (3) from ESP® control unit (N30/4) | Model 166, 292 with code 233 (DISTRONIC PLUS) |
AR42.45-P-0820-02EWD |
| Model 166, 292 except code 233 (DISTRONIC PLUS) The work instructions for disconnecting the electrical connector (3) must be followed. Otherwise damage can occur on the locking mechanism. Do not touch, deform or damage contacts of electrical connector (3) and jack. Do not allow any foreign objects, dirt or fluids to enter into the electrical connector (3) or jack. Otherwise, damage and malfunction can occur. |
AR42.45-P-0820-02EW | ||
| 11 | Remove traction system hydraulic unit (A7/3) | ||
| 12 | Check that elastomer bearing (4) on bracket (5) is in good condition and not damaged | If a problem arises ↓ Replace elastomer bearing (4) |
*BA42.45-P-1004-01J |
| 13 | Install in the reverse order | ||
| 14 | Bleed brake system | AR42.10-P-0010CW | |
| Commissioning | |||
| 15 | Perform SCN coding of ESP® control unit (N30/4) | Only when replacing the traction system hydraulic unit (A7/3). | AR54.21-P-0015X |
| 16 |
Transfer previously stored basic data to ESP® control unit (N30/4) | Only when replacing the traction system hydraulic unit (A7/3). | AD00.00-P-2000-04A |
| 17 | Perform commissioning of ESP® control unit (N30/4) | Only when replacing the traction system hydraulic unit (A7/3). |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 166 | Model 292 | |
|---|---|---|---|---|
| BA42.45-P-1002-01J | Union nut, brake line to ESP® hydraulic unit | Nm | 16 | 16 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 166 | Model 292 | ||
|---|---|---|---|---|---|
| BA42.45-P-1003-01J | Screw/bolt, ESP® hydraulic unit to bracket | M6 | Nm | 16 | 16 |
| M8 | Nm | 18 | 18 | ||
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 166 | Model 292 | |
|---|---|---|---|---|
| BA42.45-P-1004-01J | Screw/bolt, bracket to body | Nm | 18 | 18 |