Removal
1. Turn off the ignition.
2. Disconnect the power wires from the glow plugs.
3. Unscrew the glow plugs using a special key SW10-3220 (see illustration).
6.3. Key SW 10-3220
Installation
Installation of glow plugs is carried out in the reverse order of removal.
4. The tightening torque of the glow plugs is 15 Nm. Use the SW 10-3220 wrench to tighten (see illustration 6.3).
Checking glow plugs
5. Turn off the ignition.
6. Disconnect the power wires from the glow plugs.
7. Connect a power test light to the positive (+) battery terminal and test each glow plug.
If the bulb lights up, the spark plug is OK. For a more accurate check, use an ammeter.
If the light does not light, the spark plug is faulty and must be replaced.