Installing cylinder head cover

• Route all cables without abrasions, do not trap and crush.

• Version with a profile seal:

  Replace the profile seal (1).

  Parts: Profile seal

  Insert and install the profile seal (1).

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• Version with multiple profile seals:

  Replace the profile seals (arrows).

  Parts: Profile seals

  Insert and install the profile seal (1).

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  NOTE: TECHNICAL INFORMATION 
  When assembling, it is essential to observe screwing sequences and tightening torques.
  Failure to comply with the regulations can lead to leaks and damage.
• Guide in and install the cylinder head cover (A).
• Tighten screws in the order (1) to (15).
  Fig 1: Cylinder Head Cover Screws Tightening Sequence

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Cylinder head cover to cylinder head
  M6x30	Joining torque:	8 Nm
  	Tightening torque:	10 Nm

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

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• Guide in and install the wiring harness section (3) for sensor system 1.
• Tighten down screw (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Wiring harness section for engine to cylinder head cover

  M6

  Tightening torque: 8 Nm

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

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

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• Feed in and install the differential pressure sensor (2) at the holder (3).
• Connect connectors (1) and lock.
• Make sure the connector (1) engages audibly.

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  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).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Holder, positive battery cable to cylinder head cover

  6X18

  Tightening torque: 6 Nm

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• Feed in and install the wiring harness section (1) for sensor system 2 from the guides (2).

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• Secure clamps (1).

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• Guide in and Install the wiring harness section (2) for the injectors and ignition coils.
• Secure clamps (1).

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Follow-up work: 

• Refer to INSTALLING BOTH ACTUATORS .
• Refer to PREPARING THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING THE RAIL WITH INJECTORS .
• 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 THE CYLINDER HEAD COVER ACOUSTIC COVER .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING RESONATOR .
• Refer to INSTALLING CENTER BULKHEAD LOWER PART .
• Refer to INSTALLING LEFT SEALING FRAME .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to FASTENING HIGH-VOLTAGE CABLES ON THE ELECTRICAL MACHINE ELECTRONICS .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING TENSION STRUT ON SPRING STRUT DOME .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .