Install exhaust camshaft

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

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

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• Clean all bearing positions (arrows) of the exhaust camshaft (1)  .
• Coat all bearing positions (arrows) of the exhaust camshaft (1)  with engine oil.

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

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• Insert exhaust camshaft (2)  in the cylinder head such that marks (1)  point upward.

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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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• Replace all exhaust camshaft bearing cap so that the labeling (1)  from the intake side are readable.

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• When installing the high pressure pump bracket (1)  and (2)  , ensure the high pressure pump bracket (1)  and (2)  are numbered in the marked  area.
• Press down the exhaust camshaft bearing caps and gradually hand-tighten the screws in the order (1)  to (14)  .
• 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)  .

Fig 1: Exhaust Camshaft Bearing Caps Screws Tightening Sequence

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• Relax special tool 2 410 670  above the spindle nut.
• Release and remove special tool 0 495 741 (11 8 552)  .
• Guide out and remove special tools 2 410 670  with special tool 2 468 424 .

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• Position and install the roller tappet (1)  .
• Ensure that roller tappets (1)  are positioned correctly in the marked  area.
• Insert and install the roller tappet (1)  .

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Follow-up work 

• Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to RELEASING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE 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 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 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 CONNECTING ALL BATTERY GROUND LEADS .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT 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 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 .