Contents: Removal ⤓ Installation ⤓
Removal
- Disconnect the cable from the negative battery terminal.
- Remove the bolts and remove the engine cover.
- Disconnect the connectors from the ignition coils (Fig. 9.8, 9.9)
Fig. 9.8. DOHC (GDI) engine ignition coils: 1 - ignition coil block; 2 - spark plug
Fig. 9.9. DOHC engine ignition coils (4G93-GDI):1 - ignition coil connectors; 2 - ignition coil block; 3 - ground connection wires;. 4 - spark plug, 25 Nm; 5 - misfire detection sensor connector; 6 - misfire detection sensor
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- Remove the bolts and ignition coil assembly.
- Clean the spark plugs with compressed air to prevent dirt from getting into the engine cylinders after unscrewing the spark plugs. Use a spark plug wrench to unscrew the spark plug. To avoid damaging the spark plug, install the spark plug wrench strictly along the spark plug axis.
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 a torque of 25 Nm.