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
NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the throttle and the air
cleaner or on the air cleaner.
Test precondition:
The correct fuel pressure reg
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove rear seat.
Remove rear panel trim.
Disengage welt in marked area from seat mechanism.
Remove rear panel trim (1).
Installation:
Make sure metal lugs in welt are correctly engaged.
Fig. 171: Identifying Backrest Cover Wit