Install intake camshaft of bank 1

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Plastic rings (1) are maintenance free and do not need to be replaced.
Check plastic rings for damage, replace if necessary.

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NOTE: TECHNICAL INFORMATION
The rocker arms may slip slightly when the camshaft is positioned. Make sure rocker arms are correctly positioned on the hydraulic valve clearance compensating elements and on valves.

Position intake camshaft.
When screwing the camshafts, make sure the valves have free movement.

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Position guide bearing shells according to marks (E1) to (E5) .
Join the screws of the guide bearings with position numbers (1) and (4) in multiple steps by one half turn at a time until flush.
Tighten the screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Intake/exhaust camshaft
M6	Tightening torque	10 Nm

Tighten down screws (4) .

TIGHTENING TORQUE SPECIFICATIONS

Intake/exhaust camshaft
M6	Tightening torque	10 Nm

All intermediate levers (3) must rest correctly on the idler pulley (1) and on the camshaft (4) .
All intermediate levers (3) must rest correctly on the idler pulley (2) and on the eccentric shaft (5) .

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Follow-up work

Refer to INSTALLING SLIDING BLOCKS OF BANK 1 .
Refer to INSTALLING TORSION SPRINGS .
Refer to INSTALLING HYDRAULIC VALVE CLEARANCE COMPENSATING ELEMENTS ON EXHAUST SIDE OF CYLINDER BANK 1 .
Refer to INSTALLING ROLLER CAM FOLLOWER OF THE EXHAUST SIDE OF BANK 1 .
Refer to INSTALLING EXHAUST CAMSHAFT OF THE BANK 1 .
Refer to REMOVING THE CYLINDER HEAD OF CYLINDER BANK 1 FROM THE ASSEMBLY JIG .
Refer to INSTALLING VALVETRONIC SERVOMOTOR, RIGHT (CYLINDER HEAD REMOVED) .
Refer to INSTALLING RIGHT INTAKE PLENUM (CYLINDER HEAD REMOVED) .
Refer to INSTALLING RIGHT CYLINDER HEAD .
Refer to INSTALLING BOTH VANOS ADJUSTERS (CYLINDER HEAD DISASSEMBLY, BANK 1) .
Refer to INSTALLING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
Refer to INSTALLING ELECTRIC COOLANT PUMP WITH HOLDER .
Refer to INSTALLING THE CYLINDER HEAD COVER ON THE RIGHT .
Refer to INSTALLING THE VACUUM PUMP .
Refer to INSTALLING HEAT SHIELD ON THE BOTTOM .
Refer to INSTALLING FRONT HEAT SHIELD .
Refer to INSTALLING BOTH EXHAUST MANIFOLDS .
Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 5 TO 8 .
Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .

Mounting fixture on the right.

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Position fixture for the right (2).
Tightening the screws (1).

Tightening torques

Mount
M6x16	Tightening torque	8 Nm

Refer to INSTALLING LEFT MOUNT .
Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to INSTALLING CATALYTIC CONVERTER NEAR THE ENGINE ABOVE CYLINDER BANK 1 .
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 HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM 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 OXYGEN SENSOR MONITOR OF CYLINDER BANK 1 .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 2 .
Refer to CHECKING THE POSITION OF THE HEAT SHIELD .
Refer to INSTALLING THE EXPANSION TANK FOR THE CHARGE AIR COOLER .
Refer to INSTALLING COOLANT EXPANSION TANK .
Refer to INSTALLING HOLDER OF THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
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 ALTERNATOR .
Refer to INSTALLING ELECTRIC COOLANT PUMP WITH HOLDER .
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 RIGHT TANK VENT VALVE .
Refer to INSTALLING THE CHARGE AIR COOLER ON THE LEFT AND RIGHT .
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 DRIVE BELT .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING THE FRONT RIGHT WHEEL .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to INSTALLING FAN COWL WITH ELECTRIC MOTOR .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
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 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 ACOUSTIC COVER .
Refer to INSTALLING THE COVER PANEL OF THE SLAVE DME CONTROL UNIT .
Installing the cover panel of the master DME control unit.

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- Position the cover of the master DME control unit (1)
- Engage the cover panel of the master DME control unit (1) downwards with the clamps (2) and the guide pins (3) in the carrier plate of the DME.
Refer to CONNECTING BATTERY GROUND LEAD .
Refer to CHECKING ENGINE OIL LEVEL .