Installing cylinder head cover

Bolts of the cylinder head cover 

Fig 1: Cylinder Head Cover Bolts Tightening Sequence

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• There must be no oil or grease on sealing surface (1).

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• Replace the seals (1).

  Parts:  Seals

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• Insert and install the cylinder head cover (1).

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• Make sure that the cylinder head cover (1) is correctly installed in the marked  area on the high pressure pump bracket (2).

  The cylinder head cover (1) must not be in the marked  area on the high pressure pump bracket (2).

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• Position the cylinder head cover (A).
• Make sure that the cylinder head cover (A) does not touch the high pressure pump bracket!
• Tighten all screws in the sequence (1) to (21).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Cylinder head cover to cylinder head
  M 6X30	Joining torque	8 Nm

  Fig 2: Cylinder Head Cover Screws Tightening Sequence

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• Tighten all screws in the sequence (1) to (21).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Cylinder head cover to cylinder head
  M 6X30	tightening torque	11 Nm

• Insert and install the engine ventilation line (2).
• Ensure that locks (1) engage audibly.

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• Feed in and install the wiring harness section (1) for sensor system 2.
• Make sure that the locks (arrows) engage audibly.

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• Insert and position the holders (4).
• Tighten down screws (3).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Auxiliary coolant pump holder to cylinder head
  M6	tightening torque	7 Nm

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• Thread in ground cable (2) and install.
• Tighten nut (1).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Standard screw connection M6
  M6	Tightening torque	8 Nm

• Connect and lock the connector (1) to the exhaust camshaft sensor.
• Make sure the connector (1) engages audibly on the exhaust camshaft sensor.
• Secure clamps (2).

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  NOTE: The following step(s) must be performed if the specified component(s) is/are installed.
• Feed in and install the differential pressure sensor (3).
• Tighten down screw (2).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Differential pressure sensor to holder
  TS6X18	Tightening torque	3.5 Nm

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• Connect and lock the connector (1).
• Make sure the connector (1) engages audibly.
  CAUTION: Improper routing of the positive battery cable. 
  Risk of short circuits! 

  • Route the positive battery cable without abrasions and do not trap.
• Feed in the bracket (2) of positive battery cable and install.
• Tighten down screws (1).

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  TIGHTENING TORQUE SPECIFICATION
  
  

  Holder, positive battery cable to cylinder head cover
  6X18	Tightening torque	6 Nm

• Secure clamps (1).

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• Secure clamps (1).

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• Connect and lock the connector (1) on the intake camshaft sensor.
• Make sure the connector (1) engages audibly.
• Secure clamps (2).

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Follow-up work 

• Refer to INSTALLING BOTH ACTUATORS .
• Refer to PREPARING THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
• Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 1 TO 3 .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING ALL IGNITION COILS .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING THE COVER FOR CENTRAL ENGINE COMPARTMENT .
• Refer to INSTALLING THE FRONT HOOD SEAL .
• Refer to ACTIVATING ELECTRICAL SYSTEM .
• Refer to INSTALLING CENTER FIREWALL LOWERING PART .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE REAR HOOD SEAL .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .