Install intake camshaft

• Check the fitting sleeves (1)  for correct seating 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 (1)  into the cylinder head in such a way that the mark (2)  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 on the cylinder head.
  NOTE: The intake camshaft bearing caps are legibly labeled from the intake side with E1, E2, E3, E4 and E.
  NOTE: Intake camshaft bearing cap E is a thrust bearing.

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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 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 down the intake camshaft bearing cap and stepwise apply the screws in the order (1)  to (10)  until hand-tight.
• Join the screws in sequence (1)  to (10) in half turns  .
• Observe the joining torque  .
  Fig 1: Intake Camshaft Bearing Caps Screws Tightening Sequence

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• Tighten all screws in the sequence from (1)  to (10)  .

Follow-up work 

• Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
• Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to INSTALLING THE INTAKE ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to DISASSEMBLING ALL SPECIAL TOOLS .
• Refer to INSTALLING CHAIN TENSIONER .
• Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
• Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
• Refer to INSTALLING ALL INTERMEDIATE LEVERS .
• Refer to INSTALLING ALL GATES .
• Refer to INSTALLING TORSION SPRINGS .
• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING CONTROL UNIT BRACKET .
• Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to INSTALLING THE HEAT SHIELD ON THE CYLINDER HEAD .
• Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
• Refer to PREPARING THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING THE RAIL WITH INJECTORS .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING ALL SPARK PLUGS .
• Refer to INSTALLING ALL IGNITION COILS .
• Refer to INSTALLING THE CYLINDER HEAD COVER ACOUSTIC COVER .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE, FRONT .
• Refer to INSTALLING THE CLEAN AIR PIPE WITH THE RESONATOR .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to INSTALLING CENTER FIREWALL LOWERING PART .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• 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 REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE REAR HOOD SEAL .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .