Necessary preliminary work
Remove LEFT CYLINDER HEAD.
Remove RIGHT CYLINDER HEAD.
Remove ALL VALVES.
NOTE: Set of special tools 11 8 080 can be used for cylinder bank 1 to 4
and cylinder
bank 5
Necessary preliminary work
Check TIMING
Remove left INLET AND EXHAUST ADJUSTMENT UNIT
Release screw (1).
NOTE: Guide rail is loose from cylinder head.
Fig. 51: Identifying Screw Of Guide Rail
Rel
Notes
WARNING: Scalding hazard!
Work on the cooling system may only be carried out when it has cooled
down.
NOTE: Clamp off coolant hoses on water valve.
Recycling
Coolant emerges when coolant lines are detached. Have a suitable collecting
container ready.
Catch and dispose of escaping coolant.
O
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 manufacturers
Check
Secondary signal for