Notes
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
Protective measures/rules of conduct
Wear safety goggles
Wear protective gloves
Observe national/countr
Notes
WARNING: Risk of scalding!
The repair work on the cooling system should only be carried out on an
engine that has cooled down!
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When
WARNING: Danger of scalding! Work on the cooling system should only be
carried
out when the engine has cooled down.
IMPORTANT: Wear protective gloves and safety goggles.
IMPORTANT: Lifetime coolant f
Notes
IMPORTANT: The timing can only be checked with special tool 11 9 900.
The timing may be misinterpreted if it is checked without special tool 11 9 900.
Cylinders 1-4:
Necessary preliminary work
Remove right CYLINDER HEAD COVER
Remove FAN COWL with electric fan
Remove BELT PULLEY for air co
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufactur