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Home >> Ford >> 2024 >> E-Transit Cutaway >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Engine - 3.5L DURATEC (202KW/275PS)) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Disassembly

Cylinder Head: Disassembly

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LH cylinder head 

  1. Remove the bolts and the heat shield.
    GFD838702Courtesy of FORD MOTOR COMPANY
  2. Remove the bolts and the exhaust manifold heat shield.
    GFD838703Courtesy of FORD MOTOR COMPANY
    • Remove the nuts and the exhaust manifold.

    • Discard the nuts.

    GFD838704Courtesy of FORD MOTOR COMPANY
  4. Remove and discard the studs and the exhaust manifold gasket.
    GFD838705Courtesy of FORD MOTOR COMPANY
  5. Remove the timing chain guide pin.
    GFD838706Courtesy of FORD MOTOR COMPANY
    1. Remove and discard the direct injection fuel rail mounting bolts.
    2. NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.
      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.

      Remove the direct injection fuel rail and the fuel injectors.

    GFD838707Courtesy of FORD MOTOR COMPANY
  7. Disconnect the fuel injector electrical connectors.
    GFD838708Courtesy of FORD MOTOR COMPANY
  8. Remove the fuel injectors from the fuel rail.
    GFD838709Courtesy of FORD MOTOR COMPANY
  9. Remove and discard the clips from all of the fuel injectors including any injectors that have remained in the cylinder head.
    GFD838710Courtesy of FORD MOTOR COMPANY
    • Remove and discard the fuel injector O-ring seals.

    • NOTE: Note the correct orientation of the fuel injector support rings for correct installation of the new fuel injector support rings.

      Remove and discard the fuel injector support rings.

    GFD838711Courtesy of FORD MOTOR COMPANY
  11. NOTE: Use care when removing the lower Teflon® seals, not to scratch, nick or gouge the fuel injectors.
    NOTE: Do not attempt to cut the lower Teflon® seal without first pulling it away from the fuel injector or damage to the injector may occur.

    • Pull the lower Teflon® seal away from the injector.

    • Carefully cut and discard the lower fuel injector Teflon® seals.

    GFD838141Courtesy of FORD MOTOR COMPANY

    RH cylinder head 

  12. Remove the bolts and the engine lift eye.
    GFD838712Courtesy of FORD MOTOR COMPANY
  13. Remove the bolts and the exhaust manifold heat shield.
    GFD838713Courtesy of FORD MOTOR COMPANY
    • Remove the nuts and the exhaust manifold.

    • Discard the nuts.

    GFD838714Courtesy of FORD MOTOR COMPANY
  15. Remove and discard the studs and the exhaust manifold gasket.
    GFD838715Courtesy of FORD MOTOR COMPANY
  16. Remove the timing chain tensioner arm guide pins.
    GFD838716Courtesy of FORD MOTOR COMPANY
  17. Remove and discard the CHT sensor.
    GFD838717Courtesy of FORD MOTOR COMPANY
    1. Remove and discard the direct injection fuel rail mounting bolts.
    2. NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.
      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.

      Remove the direct injection fuel rail and the fuel injectors.

    GFD838718Courtesy of FORD MOTOR COMPANY
  19. Disconnect the fuel injector electrical connectors.
    GFD838719Courtesy of FORD MOTOR COMPANY
  20. Remove the fuel injectors from the fuel rail.
    GFD838720Courtesy of FORD MOTOR COMPANY
  21. Remove and discard the clips from all of the fuel injectors including any injectors that have remained in the cylinder head.
    GFD838710Courtesy of FORD MOTOR COMPANY
    • Remove and discard the fuel injector O-ring seals.

    • NOTE: Note the correct orientation of the fuel injector support rings for correct installation of the new fuel injector support rings.

      Remove and discard the fuel injector support rings.

    GFD838711Courtesy of FORD MOTOR COMPANY
  23. NOTE: Use care when removing the lower Teflon® seals, not to scratch, nick or gouge the fuel injectors.
    NOTE: Do not attempt to cut the lower Teflon® seal without first pulling it away from the fuel injector or damage to the injector may occur.

    • Pull the lower Teflon® seal away from the injector.

    • Carefully cut and discard the lower fuel injector Teflon® seals.

    GFD838141Courtesy of FORD MOTOR COMPANY

    All cylinder heads 

    NOTE: LH shown, RH similar.
  24. 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.

    Using the special tools, remove the fuel injectors that remained in the cylinder head.Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer., 310-206 Remover, Fuel Injector.

    GFD838721Courtesy of FORD MOTOR COMPANY
  25. 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.
    NOTE: Do not use compressed air to clean the tip of the fuel injector.
    NOTE: Do not use a brush to clean the tip of the fuel injector.

    Using the special tool, clean the cylinder head fuel injector bores.Use Special Service Tool: 310-205 Fuel Injector Brush.

    GFD838722Courtesy of FORD MOTOR COMPANY
  26. NOTE: Do not remove the spark plugs when the engine is hot or cold soaked. Spark plug thread or cylinder head damage can occur. Make sure that the engine is warm (hand touch after cooling down) prior to spark plug removal.
    NOTE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause cylinder misfire resulting in engine damage
    NOTE: Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs.

    Remove the spark plugs.

    GFD838723Courtesy of FORD MOTOR COMPANY
  27. 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.

    Using the special tools, remove the valve collet, valve spring retainer and the valve spring.Use Special Service Tool: 303-300 (T87C-6565-A) Set, Valve Spring Compressor., 303-350 (T89P-6565-A) Compressor, Valve Spring., 303-1249 Valve Spring Compressor.

    GFD838136Courtesy of FORD MOTOR COMPANY
  28. NOTE: Use valve stem seal pliers (such as BeTooll HW0107 or equivalent).

    • Use commercially available valve stem seal pliers to remove the valve stem seal.

    • Discard the valve stem seal.

    GFD838724Courtesy of FORD MOTOR COMPANY
  29. Remove the valve.
    GFD838725Courtesy of FORD MOTOR COMPANY
  30. Repeat the previous 3 steps for each valve.
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