Installing all spark plugs
NOTE:
TECHNICAL INFORMATION
Exclusively swiveling extensions may be used for the reversible ratchet. Rigid mounting tool and variable plug connections with rigid option may not be used; there is a risk that the insulator breaks.
Exclusively swiveling extensions may be used for the reversible ratchet. Rigid mounting tool and variable plug connections with rigid option may not be used; there is a risk that the insulator breaks.
- Insert spark plug (1) into special tool 0 496 065 (12 1 230) .
NOTE:
TECHNICAL INFORMATION
Do not drop spark plug into spark plug shaft! This can lead to a reduction of the electrode gap and can thus impair smooth running of the engine, especially in idle position.
Do not drop spark plug into spark plug shaft! This can lead to a reduction of the electrode gap and can thus impair smooth running of the engine, especially in idle position.
- First screw spark plug into engine using special tool 0 496 065 (12 1 230) until it is hand-tight.
- Tighten spark plugs with torque wrench, special tool 0 495 560 (12 1 220) and extension with joint.
TIGHTENING TORQUES SPECIFICATION
| Spark plugs | ||
| M12x1.25 | Tightening torque | 23 Nm |
Follow-up work
- Refer to INSTALLING THE IGNITION COILS .
- Refer to INSTALLING THE SERVICE OPENING IN SOUND INSULATION ON TOP OF ENGINE .
- Refer to INSTALLING ACOUSTIC COVER .