Install intake camshaft

• Clean all bearing positions and coat with motor oil.

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• Clean all bearing positions of intake camshaft bearing caps (E1) (E2) (E3), (E4) (E5) (E6) and (E) coat with motor oil.

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• Clean all bearing positions of the intake camshaft and coat with motor oil.

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• Check all the roller cam followers (1) of the intake side for correct fit.

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• Insert intake camshaft (2) in the bearing brackets in such a way that the mark (1) points towards the top.

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• Check fitting sleeves (1) of the thrust bearing 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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• Coat all the intake camshaft bearing caps (E1) till (E6) and lay the bearing caps for the thrust bearing (E) with motor oil.
• 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 step-wise apply the screws in the order of (1) to (14) until hand-tight.
  Fig 1: Intake Camshaft Bearing Caps Screws Tightening Sequence

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• Join  all bolts in sequence (1) to (14) in half turns. 
• Observe the joining torque. 
• Tighten  all screws in a sequence from (1) to (14).

Follow-up work 

• Refer to BLOCKING THE CAMSHAFTS .
• Refer to INSTALLING THE INTAKE 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 CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
• Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
• Refer to INSTALLING ALL INTERMEDIATE LEVERS .
• Refer to INSTALLING ALL GATES .
• Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
• Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
• Refer to INSTALLING TORSION SPRINGS .
• 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 THE INTAKE PLENUM .
• Refer to FASTENING CHARGE AIR LINE TO THE THROTTLE BODY .
• 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 FRONT ENGINE ENCAPSULATION .
• Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• 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 THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
• Refer to INSTALLING INTAKE SILENCER HOUSING .
• 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 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 FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING STARTER MOTOR .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to CONNECTING NEGATIVE BATTERY CABLE .
• Refer to CONNECTING THE DIAGNOSTIC SYSTEM FOR POSSIBLE INTEGRATION LEVEL ENCODING AND PROGRAMMING .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• 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 .