Installing the left cylinder head cover

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NOTE: TECHNICAL INFORMATION
Make sure that there are no particles or impurities in the medium openings. Coolant or foreign substances in the oil can cause engine damage such as damage to the connecting rod bearing.

Close the openings (1) on the cylinder head.

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NOTE:
RISK OF DAMAGE
Damage to the surface.
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage.
- Do not use any metal-cutting tools.
Clean the cylinder head in the area of the sealing surfaces (1) .

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Open the openings (1) on the cylinder head.

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Make sure that the fitting sleeves (1) are installed.
The fitting sleeves must not be damaged or deformed.

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Replace the circular seal (1) .
Parts: Seal
Replace seals (2) .
Parts: Seals
Replace seals (3) .
Parts: Seals

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Fastening cylinder head cover on the left

Cylinder head cover: Cylinders 5 to 8

Fig 1: Left Cylinder Head Cover Bolts Tightening Sequence

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NOTE: TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.

Insert cylinder head cover downwards and position it.
Abut bolts (10) and (15) .
The layout of screws (10) and (15) is required for exact positioning of the camshaft position sensors.
Tighten screws in the order (1) to (17) .

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head cover to cylinder head
M6x30 screw	Tightening torque	10 Nm

Fig 2: Left Cylinder Head Cover Bolts Tightening Sequence

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Position fixture for the right (2) .
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

mount
M6x16	Tightening torque	8 Nm

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Installing both VANOS solenoid actuators, exhaust of cylinder bank 2

Position VANOS solenoid actuator (1) .
Turn VANOS solenoid actuator (1) about 50° clockwise with the special tool 2 360 895 (2) until the limit positions are on the clamps.

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Position VANOS solenoid actuator (1) .
Turn VANOS solenoid actuator (1) about 50° clockwise with the special tool 2 360 895 (2) until the limit positions are on the clamps.

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Connect connectors (1) and lock.

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Connect connector of Valvetronic servomotor (1) and lock.
Connect connector of pressure sensor (2) and lock.

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Position cable lugs (2) and (3) .

Tighten down screw (4) .

TIGHTENING TORQUE SPECIFICATIONS

Wiring harness to cylinder head cover
M6x16 screw	tightening torque	10 Nm

Tighten down screw (5) .

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TIGHTENING TORQUE SPECIFICATIONS

Wiring harness to cylinder head cover
M6x16 screw	tightening torque	10 Nm

Connect connector (1) of intake camshaft sensor of cylinder bank 2 and lock.

Follow-up work

Refer to INSTALLING FUEL DELIVERY LINE .

Installing holder with the wiring harness for the sensor system of cylinder bank 2.

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Position the holder with the wiring harness for the sensor system.

Tighten screws (2).

TIGHTENING TORQUES

Holder of sensor system
M6x16 screw	Tightening torque	10Nm

Connect plug connection (3) and lock.
Engage the coolant ventilation line in area (1) at the holder.

Refer to INSTALLING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
Refer to INSTALLING THE LEFT THROTTLE BODY .
Refer to INSTALLING THE INTAKE PIPE .
Refer to INSTALLING THE LEFT-HAND CHARGE AIR COOLER .
Refer to INSTALLING THE RIGHT-HAND CHARGE AIR COOLER .
Refer to INSTALLING OIL FILLER NECK .
Refer to CLOSING THE COOLANT PUMPS .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to INSTALLING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING DRIVE BELT .
Refer to INSTALLING FAN COWL WITH ELECTRIC MOTOR .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
Refer to INSTALLING FRONT CROSS CONNECTION .
Refer to TIGHTENING THE LEFT FRONT-END STRUT .
Refer to TIGHTENING THE FRONT-END STRUT ON THE RIGHT .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE RIGHT .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
Refer to INSTALLING UPPER CATALYTIC CONVERTER NEAR ENGINE FOR BANK 2 .
Refer to INSTALLING HEAT SHIELD, TOP .

Installing conduit on bank 2.

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Clip the wiring harness (2) into the clamps (1).

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Position the wiring harness.

Tighten down screws (1).

TIGHTENING TORQUES

Cable duct
M6x16 screw	Tightening torque	10Nm

Refer to INSTALLING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to INSTALLING THE TANK VENTILATION LINE OF CYLINDER BANK 1 PARTIALLY .

Installing cable duct at cylinder bank 1.

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Position the conduit (2).
Tighten the screws (1).

TIGHTENING TORQUES

Cable duct
M6x16 screw	Tightening torque	10Nm

Refer to INSTALLING THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
Refer to CHECKING THE POSITION OF THE HEAT SHIELD .
Refer to INSTALLING HOLDER OF THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
Refer to INSTALLING THE EXPANSION TANK FOR THE CHARGE AIR COOLER .
Refer to INSTALLING COOLANT EXPANSION TANK .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
Refer to INSTALLING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Installing the rear right engine compartment cover.

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Remove the battery cover .

NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
- Remove the special tool 2 452 007 from the battery.
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- Install the cover (2).
- Lock the lock (1).
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING INJECTORS .
Refer to CONNECTING THE CONNECTOR OF THE INJECTORS OF CYLINDER BANK 2 .
Refer to INSTALLING RAIL ON BANK 2 .
Refer to INSTALLING THE IGNITION COILS OF CYLINDER BANK 2 .
Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
Refer to INSTALLING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
Refer to INSTALLING THE COVER PANEL OF THE SLAVE DME CONTROL UNIT .
Refer to INSTALLING ACOUSTIC COVER .
Refer to CONNECTING BATTERY GROUND LEAD .
Refer to EVACUATING AND CHARGING CONDITIONING .