CONTENTS OF ENGINE ELECTRICAL SYSTEM GENERAL
General Information -> Working on ignition system.
-> Removing and installing electronic control units.
-> Welding work (overload protection of co
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting -> Fault in fuel injection system
-> Spark plug faults
-> Ignition coil faults
-> Further fault patterns with evaluation
-> Additional
(cylinder bank 5 to 8)
NOTE: To remove the exhaust manifolds, the engine must be secured in
the
installation position with the special tool and then the front axle bracket
lowered.
Remove left exhaust manifold.
After removing exhaust manifolds:
Reinstall front axle bracket provisionally and remove
Special tools required:
31 4 160
Necessary preliminary tasks:
Remove left output shaft.
Lever shaft seal (1) out of front differential with a screwdriver (2).
Fig. 113: Identifying Shaft Seal And Screwdriver
Installing shaft seal:
NOTE: The installation protective ring (1) serves to protect t