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
REMOVING AND INSTALLING OR REPLACING FAN CLUTCH (N62)
Special tools required:
11 5 040
11 5 050
CAUTION: Left-hand threads.
Using special tool 11 5 050 brace against pulley and unfasten cap nut from
water pump using special tool 11 5 040.
Remove fan wheel with fan coupling from water pump.
Fi
Special tools required:
11 9 190
11 9 460
11 9 461
11 9 462
11 9 463
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Are described in the operation "CHECKING CAMSHAFT TIMING ON RIGHT SIDE".
Remove right timing case cover.
NOTE: When slackening screws, grip camshafts at hexagon head.
S