Remove/Install Ignition Coils - AR15.12-P-2003MSA
Engine 256.9 in model 213, 238, 257, 290
MODIFICATION NOTES
| 20.05.2021 | Special tool added. | Operation step 7. |
| Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | AS00.00-Z-0035-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Notice | Notes on avoiding damage to ignition system | AH15.10-P-0002-01V | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Switch off ignition and store transmitter key outside of transmitter range (min. 2 m). | ||
| 2 | Remove engine air intake duct downstream of air filter. | AR09.10-P-8130MSA | |
| 3 | Remove front noise insulation. | ||
| 4 | Remove bleed line at oil separator and seal openings with suitable stop plugs. | Fig 3 | |
| 5 | Remove rear noise insulation. | ||
| 6 | Release and disconnect electrical connectors of ignition coils (T1/1 to T1/6). | ||
| 7 | Remove screws/bolts (2). | *BA15.10-P-1001-04A | |
| Fig 2 | |||
| 8 | Detach ignition coils (T1/1 to T1/6) with spark plug connectors (3) upwards and remove. | ||
| Spark plug connector grease | *BR00.45-Z-1102-06A | ||
| 9 | Check ignition coils (T1/1 to T1/6) for external damage. | If damage is present: ↔ Replace corresponding ignition coil (T1/1 to T1/6). |
|
| 10 | Install in the reverse order. | ||
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 11 | Perform an engine test run and check the engine for proper function. | ||
| 12 | Install upper engine cover. | AR01.10-P-2405MSA |
IGNITION COIL
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA15.10-P-1001-04A | Screw/bolt, ignition coil to cylinder head cover | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1102-06A | Spark plug connector grease | A 002 989 80 51 |