Install exhaust camshaft

Check fitting sleeves (1) to ensure that they fit correctly and check for damage; if necessary, replace them.

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Coat all bearing positions (1) with fresh motor oil.

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Clean all bearing positions of the exhaust camshaft bearing caps (A1) , (A2) , and (A) and coat with fresh motor oil.
Clean the bearing positions (1) of the high pressure pump bracket and coat with fresh motor oil.

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Clean all the bearing positions (arrows) of the exhaust camshaft (1) and coat with fresh motor oil.

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Make sure that the roller cam follower (1) is fitted correctly before installing the exhaust camshaft.
Coat exhaust camshaft and exhaust camshaft bearing cap with fresh motor oil.

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Insert exhaust camshaft in the cylinder head, such that the mark (1) points upwards .

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NOTE: TECHNICAL INFORMATION
The camshaft bearing caps must not be mixed up. The camshaft bearing caps must be installed in the installation position from which they were removed.
Position exhaust camshaft bearing caps (A1) , (A2) and (A) on the cylinder head.
NOTE: The exhaust camshaft bearing caps are legibly labeled from the intake side and marked with A1, A2 and A.

NOTE: Exhaust camshaft bearing cap A is a thrust bearing.

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Check the tensile strength of the screws for the bearing caps.
The illustration shows the screws with a tensile strength of 8.8.

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Check the tensile strength of the screws for the bearing caps.
The illustration shows the screws with a tensile strength of 10.9.

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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.

Coat both bearing positions at the high-pressure pump bracket with fresh motor oil.
Position the high pressure pump bracket on the cylinder head.
Join all bolts of the exhaust camshaft bearing caps in sequence (1) to (10) in half turns.
Observe the joining torque.

Tighten all bolts of the exhaust camshaft bearing caps in sequence (1) to (10).

Fig 1: Exhaust Camshaft Bearing Cap Screws Tightening Sequence

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TIGHTENING TORQUE SPECIFICATIONS

Exhaust camshaft to cylinder head
M6	Tensile strength of screw 8.8
	Joining torque	9.6 Nm
	tightening torque	9.6 Nm
M6	Tensile strength of screw 10.9
	Joining torque	11.8 Nm
	tightening torque	11.8 Nm

Position and install the rollertappet (1) .
Make sure the pin (2) is correctly positioned in the guide (3) .
Insert and install the rollertappet (1) .

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Follow-up work

Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
Refer to BLOCKING THE CAMSHAFTS .
Refer to PRELOAD TIMING CHAIN .
Refer to TIGHTENING THE VANOS CENTRAL VALVE .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to CHECKING CAMSHAFT TIMING .
Refer to INSTALLING THE THERMOSTAT ON THE TRANSMISSION OIL LINES .
Refer to SECURING THE OIL SUMP ACOUSTIC COVER .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING INJECTORS .
Refer to PREPARING FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING THE CYLINDER HEAD COVER ACOUSTIC COVER .
Refer to INSTALLING FRONT ENGINE ENCAPSULATION .
Refer to INSTALLING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
Refer to CONNECTING THE COOLANT LINE OF HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING RESONATOR .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING CENTER FIREWALL LOWERING PART .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to LOOSENING HIGH-VOLTAGE CABLES ON THE ELECTRICAL MACHINE ELECTRONICS .
Refer to INSTALLING RIGHT SEALING FRAME .
Refer to INSTALLING LEFT SEALING FRAME .
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 COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to FILLING THE HIGH-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 CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE REAR THRUST FIELD .
Refer to INSTALLING FRONT STIFFENING PLATE .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .