Cylinder Head: Disassembly

LH cylinder head 

• 1.
  
  Loosen the fitting and remove the turbocharger coolant supply tube.

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• 2.
  
  Remove the nuts and the exhaust manifold, discard the nuts.

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• 3.
  
  Remove and discard the studs and the exhaust manifold gasket.

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• 4.
  
  Remove the bolts and the lift eye bracket.

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• 5.
  
  Remove the timing chain guide pin.

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RH cylinder head 

• 6.
  
  Loosen the fitting and remove the turbocharger coolant supply tube.

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• 7.
  
  
  • Remove the stud bolt.
  • Remove and discard the CHT sensor.

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• 8.
  
  Remove the nuts and the exhaust manifold, discard the nuts.

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• 9.
  
  Remove and discard the studs and the exhaust manifold gasket.

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• 10.
  
  Remove the timing chain tensioner arm and timing chain guide pins.

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All cylinder heads 

NOTE: RH shown, LH similar.
• 11.
  
  • Disconnect the fuel injector electrical connectors.
  • Remove and discard the fuel injector bolts.
  NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder heads and require the use of a Fuel Injector Remover tool to extract. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.
  NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.
  • Remove the fuel rail and fuel injectors.

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• 12.
  
  Remove the fuel injectors from the fuel rail.

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• 13.
  
  Remove and discard the clips from all of the fuel injectors including any injectors that have remained in the cylinder head.

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NOTE: Use minimal force to remove the fuel injectors that remained in the cylinder head with the Fuel Injector Remover tool or damage to the fuel injector assembly may occur.
• 14.
  Using the fuel injector remover, remove the fuel injectors that remained in the cylinder head.

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NOTE: Do not use a brush to clean the tip of the fuel injector.
NOTE: Do not use compressed air to clean the tip of the fuel injector.
NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, block and the general surrounding area of the fuel rails and injectors.
• 15.
  Using the Fuel Injector Brush, clean the cylinder head fuel injector bores.

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• 16.
  
  Remove the spark plugs. Refer to: Engine Ignition System - 3.5L GTDI .

NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into their original locations.
NOTE: LH shown, RH similar.
• 17.
  Using the Valve Spring Compressor, remove the valve collet, valve spring retainer and the valve spring.

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• 18.
  
  Remove and discard the valve stem seal.

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• 19.
  
  Remove the valve.

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• 20.
  
  Repeat the previous 3 steps for each valve.