Installing the left cylinder head

Screw connection of the cylinder head

Fig 1: Left Cylinder Head Screws Tightening Sequence

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NOTE: TECHNICAL INFORMATION
Handle the timing chain carefully to protect the timing chain and timing chain drive from damage.

Position the cylinder head over the engine block with the special tool 0 490 567 (11 0 020) and a workshop crane.
NOTE: TECHNICAL INFORMATION
Conduct the following operation with the assistance of a second person.

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Thread in timing chain (1) and maintain tension.
NOTE:
RISK OF DAMAGE
Damage to guide rails.
The application of great force can damage the guide rails of the timing chain.
- When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.
Tilt the cylinder head (2) in arrow direction arrow and slowly lower the workshop crane.
Feed in the guide rails of the timing chain.
Position cylinder head (2) on the engine block.
The cylinder head (2) must sit on the fitting sleeves.
Release the special tool 0 490 567 (11 0 020) from special tools 0 493 997 (11 8 350) and 0 493 987 (11 8 260) on the cylinder head.

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Replace cylinder head bolts (1) to (14).
Parts: screws.
Screw in all cylinder head bolts (1) to (14) with washers in the cleaned cylinder bores.

Tighten the cylinder head bolts in the sequence (1) to (14) with snug torque.

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt M11x175
M11 Replace screws.	Joining torque	30 Nm
	Angle of rotation	90°
	Angle of rotation	140°

Tighten the cylinder head bolts in the sequence (1) to (14) with angle of rotation 1.

Fig 2: Left Cylinder Head Screws Tightening Sequence

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TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt M11x175
M11 Replace screws.	Joining torque	30 Nm
	Angle of rotation	90°
	Angle of rotation	140°

Tighten the cylinder head bolts in the sequence (1) to (14) with the angle of rotation 2.

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt M11x175
M11 Replace screws.	Joining torque	30 Nm
	Angle of rotation	90°
	Angle of rotation	140°

Replace screws (1).
Parts: Screws

Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt to timing case cover
M8x30 Replace microencapsulated screws.	tightening torque	24 Nm

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Remove special tool 0 493 997 (11 8 350) from rear cylinder head.
Remove special tool 0 493 987 (11 8 260) from front cylinder head.

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Position ground cable.

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Ground cable to engine block
M6	Tightening torque	8 Nm

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Connect coolant return line and secure with spring strap clamp (2).

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Replace O-ring (1).
Parts: O-rings

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Position the coolant feed line at the turbocharger.

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Coolant feed line to turbocharger
M6x10	Tightening torque	8 Nm

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Replace sealing rings on oil return line (1).
Parts: Sealing ring

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Install the oil return line (1) in the turbocharger.

Tighten oil return line screw on the turbocharger from below with a long extension.

TIGHTENING TORQUE SPECIFICATIONS

Oil return line at the turbocharger
M6x10	Tightening torque	8 Nm

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Attach and lock connector (1) of the blow-off valve.
Lock must snap audibly into place.

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Attach and lock connector (1) of the wastegate valve controller.
Lock must snap audibly into place.

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Install heat shield (1) and position on the engine support bracket.

Tighten screws of the heat shield (1) on the engine support bracket.

TIGHTENING TORQUE SPECIFICATIONS

Heat shield to engine support arm
M6	Tightening torque	10 Nm

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Position heat shield.

Tighten down screws (2).

TIGHTENING TORQUE SPECIFICATIONS

Heat shield of exhaust manifold to cylinder head
M8x16	Tightening torque	8 Nm

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Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Heat shield to heat shield of exhaust manifold
M6x12	Tightening torque	8 Nm

Connect the coolant hoses.
Fasten coolant hoses with the spring band clamps (1).

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Install the bearing screw (1) in the guide rail.

Tighten bearing bolt (1).

TIGHTENING TORQUE SPECIFICATIONS

Bearing screw of guide rail to cylinder head 7 to 12
M14	Tightening torque	25 Nm

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NOTE: Description is for right component only. The procedure on the left side is identical.

Secure the positive battery cable (1) in the holders (2).

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Fasten the cable in the rear bracket on the cylinder head.
Install the transmission wiring harness (1) and fasten it with the clamps (arrows).

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Follow-up work

Refer to INSTALLING THE EXHAUST CAMSHAFT ADJUSTER OF CYLINDERS 7 TO 12 .
Refer to INSTALLING INTAKE ADJUSTER OF CYLINDERS 7 TO 12 .
Refer to REPLACING THE CENTRAL BOLT .
Refer to SECURING BOTH CENTRAL BOLTS OF THE VANOS GEAR .
Refer to INSTALLING THE UPPER SLIDE RAIL .
Refer to INSTALLING SPECIAL TOOL TO PRE-TENSIONING TIMING CHAIN .
Refer to SECURING THE CENTRAL BOLT OF THE VARIABLE CAMSHAFT TIMING CONTROL OF THE INTAKE .
Refer to SECURING THE CENTRAL BOLT OF THE VARIABLE CAMSHAFT TIMING CONTROL OF THE EXHAUST .
Refer to REMOVING THE SPECIAL TOOLS TO FIX THE CAMSHAFTS .
Refer to REMOVING THE SPECIAL TOOLS TO DISCONNECTING THE CRANKSHAFT .
Refer to CHECKING TIMING .
Refer to REMOVING THE SPECIAL TOOLS TO DISCONNECTING THE CRANKSHAFT .
Refer to REMOVING SPECIAL TOOL TO PRETENSION TIMING CHAIN .
Refer to INSTALLING THE HYDRAULIC CHAIN TENSIONER .
Refer to INSTALLING THE TOP TIMING CASE COVER OF CYLINDERS 7 TO 12 .
Refer to INSTALLING BOTH SOLENOID VALVES ON THE LEFT .
Refer to INSTALLING LEFT CLEAN AIR PIPE .
Refer to INSTALLING ALTERNATOR 2 .
Refer to INSTALLING THE HEATER RETURNING HOSE ON THE COOLANT PUMP .
Refer to INSTALLING THE LEFT COOLANT HOSE ON THE RADIATOR .
Refer to CONNECTING THE COOLANT HOSE TO THE AUXILIARY COOLANT PUMP .
Refer to MOUNTING AIR CONDITIONING COMPRESSOR .
Refer to INSTALLING THE BELT PULLEY .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
Refer to REMOVING THE PROTECTIVE PLATE AT THE RADIATOR .
Refer to INSTALLING THE LEFT CYLINDER HEAD COVER .
Refer to ATTACHING COOLANT LINE FOR LEFT TURBOCHARGER .
Refer to REMOVING TRANSMISSION CROSS-MEMBER .
Refer to REMOVING THE TRANSFER BOX (ATC 13-1) .
Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 7 TO 12 .
Refer to INSTALLING THE TRANSFER BOX (ATC 13-1) .
Refer to SECURING THE JUNCTURE SHAFT IN FRONT ON THE FRONT AXLE DIFFERENTIAL .
Refer to INSTALLING TRANSMISSION CROSS MEMBER .
Refer to CHECKING/TOPPING UP THE TRANSFER BOX OIL (ACTIVE TORQUE CONTROL 13-1) .
Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
Refer to INSTALLING THE HEAT SHIELDS .
Refer to CONNECTING TRANSMISSION OIL LINES .
Refer to INSTALLING THE RETAINING PLATES .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING REAR UNDERBODY PROTECTION .
Refer to INSTALLING BOTH TRIM PIECES FOR THE EXHAUST TAILPIPE .
Refer to INSTALLING THE TRIM ON THE REAR BUMPER PANEL .
Refer to INSTALLING THE REAR DIFFUSER .
Refer to INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE UNIVERSAL JOINT AT THE BOTTOM OF THE STEERING SHAFT .
Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR .
Refer to INSTALLING THE ACTIVE STABILIZER IN FRONT .
Refer to SECURING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT TO THE ANTI-ROLL BAR .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY ON THE RIGHT .
Refer to INSTALLING THE FRONT RIGHT WHEEL .
Refer to RELEASING THE OIL FILTER COVER .
Refer to INSTALLING THE OIL FILTER ELEMENT .
Refer to TIGHTENING THE OIL FILTER CAP .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to PREPARING THE INJECTOR FOR INSTALLATION .
Refer to INSTALLING INJECTORS .
Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE RAIL ON THE LEFT .
Refer to INSTALLING ALL HIGH PRESSURE LINES BETWEEN THE RAIL AND THE INJECTORS .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING THE LEFT-HAND HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
Refer to INSTALLING CHARGE AIR PIPE ON LEFT .
Refer to INSTALLING TOPPING CLEAN AIR PIPE ON LEFT .
Refer to PARTIALLY FASTENING THE WIRING HARNESS ON THE LEFT CYLINDER HEAD COVER .
Refer to INSTALLING THE HOLDER FOR THE DME CONTROL UNIT ON THE LEFT .
Refer to INSTALLING THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
Refer to INSTALLING COVER FOR THE LEFT DME CONTROL UNIT .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING THE LEFT-HAND VENTILATION LINE .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT LINE .
Refer to INSTALLING THE ENGINE VENTILATION LINE ON THE INTAKE SYSTEM .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to MOUNTING THE LEFT-HAND CHARGE AIR COOLER .
Refer to INSTALLING THE LEFT THROTTLE BODY .
Refer to INSTALLING LEFT INTAKE PORT .
Refer to INSTALLING THE LEFT-HAND AIR DUCT .
Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
Refer to MOUNTING THE RIGHT-HAND CHARGE AIR COOLER .
Refer to INSTALLING THE RIGHT THROTTLE BODY .
Refer to INSTALLING RIGHT AIR DUCT .
Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING FANFARE HORN, RIGHT .
Refer to INSTALLING THE FANFARE ON THE LEFT SIDE .
Refer to INSTALLING THE CENTER TOP CROSS CONNECTION .
Refer to INSTALLING BOTH HEADLIGHTS .
Refer to INSTALLING BUMPER COVER, FRONT .
Refer to INSTALLING FRONT SECTION OF THE FRONT WHEEL ARCH COVER (PARTIALLY REMOVED) .
Refer to INSTALLING FRONT ORNAMENTAL GRILLE .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
Refer to TOPPING UP THE MOTOR OIL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to FILLING THE COOLING SYSTEM WITH THE VACUUM FILLING UNIT .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
Refer to ADJUSTING HEADLIGHTS .