Removing
- Disconnect the wire from the negative battery terminal.
- Turn out bolts and remove an engine cover.
- Disconnect connectors from ignition coils (pic. 9.8, 9.9)
Pic. 9.8. DOHC engine ignition coils (GDI): 1 - block of ignition coils; 2 - spark plug
Pic. 9.9. DOHC engine ignition coils (4G93-GDI):1 - ignition coil connectors; 2 - block of ignition coils; 3 - wires connecting with «weight»;. 4 - spark plug, 25 Nm; 5 - connector for the misfire detection sensor; 6 - misfire detection sensor
- Turn out bolts and remove the block of coils of ignition.
- Use compressed air to clean the spark plugs, which will prevent dirt from entering the engine cylinders after unscrewing the spark plugs. Unscrew the candle with a candle wrench. To prevent damage to the candle, install the candle wrench strictly along the axis of the candle.
Installation
- Installation is carried out in the reverse order of removal, taking into account the following.
- Screw in the spark plugs and tighten them to 25 Nm.