Install exhaust camshaft

Clean all the bearing positions (arrows).
Coat all bearing positions (arrows) with motor oil.

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Clean all bearing positions of the exhaust camshaft bearing caps (A1), (A2), (A3), (A4) and (A) and coat with motor oil.
Clean the bearing positions (1) of the high pressure pump bracket and coat with motor oil.

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Clean all the bearing positions (arrows) of the exhaust camshaft.
Coat all bearing positions (arrows) of the exhaust camshaft with motor oil.

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Check all roller cam follower (1) of the exhaust side for correct fit.

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Insert the exhaust camshaft (2) in the cylinder head, so that the mark (1) points upwards.

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Check the fitting sleeves (1) of the thrust bearing for damage, replace if necessary.
Check the fitting sleeves (2) of the high pressure pump bracket 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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Replace all exhaust camshaft bearing cap so that the labeling (1) from the intake side are readable.
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.
Oil all the exhaust camshaft bearing caps (A1) to (A4) and the exhaust camshaft bearing cap for the thrust bearing (A) with motor oil and place into position.
Oil the bearing position at the high pressure pump bracket with motor oil and place the high pressure pump bracket into position.

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

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Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw 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.
Press the exhaust camshaft bearing cap down and hand-tighten the screws incrementally in sequence (1) to (14).

Fig 1: Exhaust Camshaft Bearing Caps Screws Tightening Sequence
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Abut all screws in the sequence from (1) to (14) in half turns.
Observe the joining torque.

Tighten all screws in a sequence from (1) to (14).

TIGHTENING TORQUES SPECIFICATION

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

Relax special tool 2 410 670 above the spindle nut.
Release special tools 0 495 741 (11 8 552) and remove the special tool 2 410 670.

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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 EXHAUST CAMSHAFT ADJUSTER .
Refer to PRELOAD TIMING CHAIN .
Refer to TIGHTENING THE VANOS CENTRAL VALVE .
Refer to CRANKING ENGINE TWICE (AUTOMATIC TRANSMISSION) .
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 THE INJECTORS FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 3 .
Refer to PREPARING FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to REPLACING SPARK PLUGS .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING FRONT ENGINE ENCAPSULATION .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING FRONT CROSS CONNECTION .
Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
Refer to INSTALLING CENTER BULKHEAD LOWER PART .
Refer to INSTALLING THE SEALING FRAME ON LEFT AND RIGHT .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT 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 INSTALLING STARTER MOTOR .
Refer to CONNECTING NEGATIVE BATTERY CABLE .
Refer to CONNECTING THE DIAGNOSTIC SYSTEM FOR POSSIBLE INTEGRATION LEVEL ENCODING AND PROGRAMMING .
Refer to INSTALLING THE THRUST FIELD .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to INSTALLING ACOUSTIC COVER .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
Refer to CHECKING ENGINE OIL LEVEL .