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.