Checking the timing at cylinders 1-4

Preliminary work 

• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to REMOVING FAN COWL .
• Refer to REMOVING RIGHT CHARGE AIR COOLER .
• Refer to REMOVING ALL IGNITION COILS ON THE RIGHT .
• Refer to REMOVING INJECTORS .
• Refer to PARTIALLY UNDOING WIRING HARNESS FROM RIGHT CYLINDER HEAD COVER .
• Refer to INSTALLING THE HEAT SHIELD AT THE RIGHT CYLINDER HEAD COVER CYLINDERS 1 TO 4 .
• Refer to REMOVING THE VANOS CENTRAL VALVE .
• Refer to LEFT CYLINDER HEAD COVER SCREW CONNECTION, CYLINDER 1-4 .
• Refer to LOOSENING THE OIL DIPSTICK .
• Refer to LOOSENING THE TOP RIGHT TIMING CASE COVER .
• Refer to REMOVING THE CHAIN TENSIONER OF CYLINDERS 1-4 .

• Adjust special tool 0 496 778 (00 9 460)  to 0.6 Nm.
• Pretension timing chain with special tool 2 249 162  .

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• Unscrew the bolts in the sequence from (4) to (1) and remove the belt pulley.
  Fig 1: Belt Pulley Screws Loosening Sequence

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• Note the identification MP (= installation position).

  The identification MP (= installation position) is important for the installation of the special tool 0 496 366 (11 8 570)  .

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• Position the special tool 0 496 366 (118 570)  on the vibration absorber and secure it with the bolt (1).
• Insert special tool 0 493 882 (11 9 190)  into the crankcase.
• Crank the crankshaft on the central bolt using a reversible ratchet (2) in the direction of engine rotation until it is in contact with special tool 0 493 882 (11 9 190)  , see figure.

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• Crank the engine further on the central bolt until special tool 0 493 882 (11 9 190)  can be positioned in the timing case cover.

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• NOTE: The special tools can only be mounted if the ground surfaces point upward (see arrow).

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• Position special tool 2 249 144  on the intake camshaft of bank 5-8 in the direction of the arrow and secure with one screw (1) each.

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• Position special tool 2 249 159  on the exhaust camshaft and screw to special tool 2 249 144  .

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Follow-up work 

• Refer to REPLACING THE CYLINDER HEAD COVER GASKET .
• Refer to REPLACING THE O-RING FOR THE VACUUM PUMP CYLINDERS 1 TO 4 .
• Refer to FASTENING CYLINDER HEAD COVER OF CYLINDERS 1 TO 4 .
• Refer to INSTALLING HEAT SHIELD OF THE HIGH PRESSURE PUMP OF CYLINDER HEAD COVER AT LEFT FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE HEAT SHIELD AT THE RIGHT CYLINDER HEAD COVER CYLINDERS 1 TO 4 .
• Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
• Refer to INSTALLING INJECTORS .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING RIGHT CLEAN AIR PIPE .
• Refer to INSTALLING ENGINE VENTILATION LINE .
• Refer to INSTALLING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to INSTALLING FAN COWL .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to INSTALLING INTAKE FILTER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .