Service manual

39SHB MPE850 Rev 1.1 | 406555 |
1
4
2
3
6.5 Replacing spark plugs
Remove spark plugs with a cold engine.
► Disconnect the wire harness connectors
from the ignition coils
1
.
► Unscrew bolts
2
.
► Unplug ignition coils
3
.
► Remove the spark plugs
4
using a spark
plug wrench.
► Replace the spark plugs.
► Install the spark plugs using a spark plug
wrench.
Tightening torque:
20 Nm +6 Nm [14.8 lbf ft ±4.4 lbf ft]
– Spark plugs
– Serrated lock washer
– Hexagon screwdriver 5 mm
– Torque wrench
– Reversible ratchet
– Hexagon screwdriver
socket 5 mm
– Spark plug wrench
6 Service tasks in the workshop
6.5 Replacing spark plugs