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.

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

Fig 1: Exhaust Camshaft Bearing Caps Bolts Tightening Sequence
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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).

TIGHTENING TORQUE SPECIFICATIONS

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

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

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Follow-up work

Refer to BLOCKING THE CAMSHAFTS .
Refer to INSTALLING INTAKE AND EXHAUST CAMSHAFT ADJUSTER .
Refer to CHECKING CAMSHAFT TIMING .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING INJECTORS .
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 CATALYTIC CONVERTER .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING STARTER MOTOR .
Refer to CONNECTING THE COOLANT LINE TO THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to CONNECTING THE COOLANT LINE TO THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING ACOUSTIC COVER AT FRONT .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING BOTH COOLANT EXPANSION TANKS .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE .
Refer to FILLING THE LOW-TEMPERATURE COOLANT CIRCUIT WITH THE VACUUM FILLER DEVICE .
Refer to CONNECTING NEGATIVE BATTERY CABLE (ENGINE COMPARTMENT) .
Refer to CONNECTING THE NEGATIVE BATTERY CABLE .
Refer to ACTIVATING HIGH-VOLTAGE SYSTEM .
Refer to INSTALLING THE FLAP IN THE RIGHT LUGGAGE COMPARTMENT TRIM PANEL .
Refer to CONNECTING THE DIAGNOSTIC SYSTEM FOR POSSIBLE INTEGRATION LEVEL ENCODING AND PROGRAMMING .
Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to BLEEDING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to CHECKING LOW-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to INSTALLING THE LOWER RIGHT ENGINE BULKHEAD .
Refer to INSTALLING CORROSION PROTECTION COVER .
Refer to INSTALLING SOUND INSULATION AT THE CENTER OF THE BULKHEAD UPPER PART .
Refer to REMOVING/INSTALLING TRAILING LINK AT TENSION STRUT TOWER .
Refer to ATTACHING COWL PANEL COVER .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE RIGHT .
Refer to INSTALLING BOTH WIPER ARMS .
Refer to CHECKING/ADJUSTING THE ANGLE OF ATTACK OF A WIPER ARM TO THE WINDSHIELD .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE DESIGN COVER .
Refer to INSTALLING THE UNDERBODY PANELLING ON THE SIDES .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
Refer to CHECKING ENGINE OIL LEVEL .