Remove/install electronic stability program (ESP) control unit - AR42.45-P-0820LF
MODEL 217, 222
Shown on model 222
Fig 1: Electronic Stability Program Control Unit Remove/Install Components - Shown On Model 222 (1 Of 2)
Fig 2: Electronic Stability Program Control Unit Remove/Install Components - Shown On Model 222 (2 Of 2)
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Switch off ignition and remove transmitter key | ||
| 2 | Remove appropriate cover on traction system hydraulic unit (A7/3) | ||
| 3 | Unscrew nuts (1) and detach retaining clip (2) from strut on left front wheel well | ||
| 4 | Unclip electrical line from engine fuse and relay module (K40/8) and place engine fuse and relay module (K40/8) to one side | ||
| Clean | |||
| 5 | Clean area around electrical connector (3) and Electronic Stability Program control unit (N30/4) | Before opening the brake system the area around the separation point should be cleaned thoroughly. Only use clean, lint free rags and cleaner free of mineral oil. Do not use any compressed-air for cleaning when the brake system is open. Even the smallest particles of dirt, introduced into the hydraulic components, can lead to malfunctions and a total failure of the brake system. Assembly cleaner |
*BR00.45-Z-1028-04A |
| 6 | Disconnect electrical connector (3) from Electronic Stability Program control unit (N30/4) | The work instructions for disconnecting the electrical connector (3) must be followed. Otherwise damage can be caused to the locking mechanism. Do not touch, deform or damage contacts of electrical connection (3) and of jack on Electronic Stability Program control unit (N30/4). Do not allow any foreign objects, dirt or fluids to enter the jack or the electrical connection (3). The Electronic Stability Program control unit (N30/4) can otherwise be damaged and malfunction. |
AR42.45-P-0820-02EW |
| Figure | |||
| 7 | Unscrew bolts (4) and remove Electronic Stability Program control unit (N30/4) | *BA42.45-P-1003-01O | |
| Clean | |||
| 8 | Clean sealing surface on traction system hydraulic unit (A73) | Assembly cleaner | *BR00.45-Z-1028-04A |
| 9 | Install in the reverse order | ||
| 10 | Conduct initial startup of Electronic Stability Program control unit (N30/4) | When replacing Electronic Stability Program control unit (N304) | |
| AD00.00-P-2000-04B |
ELECTRONIC STABILITY PROGRAM (ESP®)
| Number | Designation | MODEL 217 | MODEL 222 | |
|---|---|---|---|---|
| BA42.45-P-1003-01O | Screw/bolt, ESP control unit® to traction system hydraulic unit | Nm | 3 | 3 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | Adolf Wurth GmbH & Co. KG |