General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories
of control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Invest
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION CO
OIL USED IN FREON-CHARGED SYSTEMS
A mineral-based oil is used. The oil level in the compressor must be checked
before filling an air conditioner
with refrigerant. It can be checked only if the system is without refrigerant.
Always check the oil level each time a new system is filled with Freon R12
Necessary preliminary tasks:
Remove front seat.
Remove both rear panels.
Remove inner cover.
Remove active head restraint support.
Bend shaft (1) in direction of arrow.
Pull shaft (1) out of gear (2) and remove.
Fig. 99: Pulling Shaft
REMOVING AND INSTALLING/REPLACING GEARING FOR HEAD REST