Install intake camshaft

• Check the fitting sleeves for correct fit and damage and replace if necessary.

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

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• Clean all bearing positions of the intake camshaft bearing cap (E1)  , (E2)  , (E3)  , (E4)  and (E)  and coat with motor oil.

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

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• Before installing the intake camshaft, check the correct seat of the roller cam follower (1). 
• Coat the roller cam follower (1)  with fresh motor oil.

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• Insert the intake camshaft into the cylinder head in such a way that the mark (1)  points up.

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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 the intake camshaft bearing cap (E1)  , (E2)  , (E3)  , (E4)  and (E)  on the cylinder head.
  NOTE: The intake camshaft bearing caps are legibly labeled from the intake side with E1, E2, E3, E4 and E.

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  NOTE: Intake camshaft bearing cap E 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.
• Press down the intake camshaft bearing cap and hand-tighten screws in the sequence (1)  to (10)  stepwise.
  Fig 1: Intake Camshaft Bearing Cap Screws Tightening Sequence

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• Join the screws in sequence (1)  to (10) in half turns. 
• Observe the joining torque. 
• Tighten  all screws in the sequence from (1)  to (10). 

Follow-up work 

• Refer to BLOCKING THE CAMSHAFTS .
• Refer to INSTALLING INTAKE AND EXHAUST CAMSHAFT ADJUSTER .
• Refer to CHECKING CAMSHAFT TIMING .
• Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
• Refer to INSTALLING ALL INTERMEDIATE LEVERS .
• Refer to INSTALLING ALL GATES .
• Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
• Refer to INSTALLING TORSION SPRINGS .
• Refer to INSTALLING THE SERVOMOTOR FOR THE ECCENTRIC SHAFT .
• 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 THE INTAKE PLENUM .
• Refer to INSTALLING BATTERY HOUSING (ENGINE COMPARTMENT) .
• Refer to INSTALLING AUXILIARY BATTERY (ENGINE COMPARTMENT) .
• Refer to INSTALLING CONTROL UNIT HOLDER .
• 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 LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CONNECTING THE COOLANT LINE TO THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• 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 CENTER UNDERBODY PROTECTION .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
• Refer to MOTOR OIL CONSUMPTION MEASUREMENT .