P15.12-2225-08
Shown on model 204.057 |
3 | Intake manifold | T1/1 | Cylinder 1 ignition coil | T1/4 | Cylinder 4 ignition coil | ||
4 | Electrical connectors | T1/2 | Cylinder 2 ignition coil | T1/5 | Cylinder 5 ignition coil | ||
5 | Bolts | T1/3 | Cylinder 3 ignition coil | T1/6 | Cylinder 6 ignition coil | ||
a | Spark plug connector |
Warning | 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. | |
Danger | 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. | |
Warning | 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. | |
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Notes on avoiding damage to ignition system | ||
| Remove/install | ||
1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
2 | Open hood | ||
3 | Remove front engine cover | Installation: The front engine cover is only installed after the engine test run. | |
4.1 | Remove intake manifold (3) | Engine 276.9 in model 204, 207 | |
4.2 | Remove both air filter housings | Engine 276.8, 278 in model 207 | |
Engine 276.8 in model 207 | |||
5 | Remove soundproofing at both rails | Engine 276.8, 278 in model 207 | |
6 | Loosen the engine management control unit from the bracket, put it to one side with the lines connected and remove the bracket |
| |
7 | Unlock and disconnect the electrical plug connections (4) for the ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6) | ||
8 | Remove screws/bolts (5) | Screw/bolt, ignition coil to cylinder head cover | |
9 | Pull off and remove the ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6) including spark plug connectors (a) towards the top | Installation: | |
Installation: Discharge approx. Fill 1 g of spark plug connector grease into the spark plug connector (a). | |||
Spark plug connector grease | |||
10 | Check the ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6) for damage | If a problem arises | |
| |||
Replace the corresponding ignition coil (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6). | |||
11 | Check spark plug connector (a) for damage | If a problem arises | |
| |||
Replace corresponding spark plug connector (a). | |||
12 | Install in the reverse order | ||
| Check | ||
13 | Connect diagnostic system; read out fault memory. | Only if required. | |
| |||
Warning | Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | |
Warning | 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. | |
14 | Conduct engine test run while checking for proper operation of the engine |
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