Installing intake camshaft

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Clean all bearings positions (arrows) and coat with engine oil.

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Clean all bearing positions of intake camshaft bearing caps (E1) (E2) (E3) , (E4) (E5) (E6) and (E) coat with motor oil.

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Clean all bearing positions of the intake camshaft and coat with motor oil.

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Check all the roller cam followers (1) of the intake side for correct fit.

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Insert intake camshaft (2) in the bearing brackets in such a way that the mark (1) points towards the top.

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Check fitting sleeves (1) of the thrust bearing for damage, replace if necessary.

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NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets .
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur .

Always install all bearing shells and bearing brackets in the same position from which they were removed.

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Feed in all intake camshaft bearing caps (E1) to (E6) and the intake camshaft bearing cap for the thrust bearing (E) and install.

NOTE: RISK OF DAMAGE
Improper screw length can cause component damage .
The use of screws of improper length can lead to component damage .

Note the correct screw length.
Install screws that correspond to the original length.

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Be careful that the screw (1) M6X35 is installed again in the same place .
Be careful that the screw (2) M6X65 is installed again in the same place .

NOTE: TECHNICAL INFORMATION
The camshaft is under tension due to the valve springs. Tighten or loosen each screw on the camshaft bearing caps in the prescribed sequence only by half a turn. Repeat procedure.

Press the intake camshaft bearing cap down and the screws in the order (1) to (14) gradually tighten until hand-tight.

Fig 1: Intake Camshaft Bearing Caps Screws Tightening Sequence
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Join all bolts in sequence (1) to (14) in half turns .
Observe the joining torque .
Tighten all screws in a sequence from (1) to (14) .

TIGHTENING TORQUE SPECIFICATIONS

Intake camshaft to cylinder head
M6	Tensile strength of screw 8.8 Tightening torque	8.6 Nm
M6	Tensile strength of screw 10.9 Tightening torque	11.8 Nm

Follow-up work

Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to REMOVING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to INSTALLING TORSION SPRINGS .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CONTROL UNIT HOLDER .
Refer to PARTIALLY INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to INSTALLING THE DME CONTROL UNIT .
Refer to INSTALLING THE COVER FOR THE DME CONTROL UNIT .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING THE COOLANT RETURN LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
Refer to FASTENING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 1 TO 3 .
Refer to INSTALLING THE TWO HIGH PRESSURE PUMPS .
Refer to INSTALLING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL FOR CYLINDERS 1 TO 6 .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE CHARGE AIR LINE .
Refer to INSTALLING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to INSTALLING THE CHARGE AIR DUCT FOR 1-3 CYLINDERS .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to PARTIALLY INSTALLING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 4-6 .
Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE INTAKE FILTER HOUSING ON THE LEFT (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING FAN COWL .
Refer to SECURING THE ENGINE OIL COOLER .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to INSTALLING THE FRONT-END STRUT .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING CENTER BULKHEAD LOWER PART .
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 .
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 THE REAR HOOD SEAL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
Refer to INSTALLING BOTTOM FRONT COVER FROM THE SIDE .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT SPOILER .
Refer to INSTALLING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .