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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 643 (Engine - 3.3L DURATEC-V6) >> Removal And Installation >> Cylinder Head LH >> Removal

Cylinder Head LH: Removal

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
NOTE: If the cylinder head is replaced, a new secondary timing chain tensioner will need to be installed. Refer to VCT unit.
  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  2. Release the fuel system pressure. Refer to: Fuel System Pressure Release .
  3. Disconnect the battery ground. Refer to: Battery Disconnect and Connect .
  4. Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
  5. If equipped, remove the bolts and the transmission housing cover.
    GFD552533Courtesy of FORD MOTOR COMPANY
  6. NOTE: Vehicles come with an underbody shield or a skid plate.

    • If equipped, remove the bolts and the underbody shield.

    • If equipped, remove the bolts and the skid plate.

    GFD552991Courtesy of FORD MOTOR COMPANY
  7. NOTE: Vehicles come with an underbody shield or a skid plate.

    If equipped, remove the bolts and the skid plate.

    GFD552992Courtesy of FORD MOTOR COMPANY
    • Remove the exhaust Y-pipe dual catalytic converter-to-exhaust intermediate pipe bolts and separate.

    • Make sure that the mating faces are clean and free of foreign material.

    GFD552536Courtesy of FORD MOTOR COMPANY
    • Remove and discard the LH catalytic converter-to-exhaust manifold nuts.

    • Make sure that the mating faces are clean and free of foreign material.

    GFD553048Courtesy of FORD MOTOR COMPANY
    • Remove and discard the RH catalytic converter-to-exhaust manifold nuts.

    • Make sure that the mating faces are clean and free of foreign material.

    GFD553049Courtesy of FORD MOTOR COMPANY
  11. Remove the following items:

    1. Remove the RH fender splash shield. Refer to: Fender Splash Shield .
    2. Remove the LH camshafts. Refer to: Camshafts .

    • Loosen the fuel rail to fuel rail high-pressure fuel tube flare nuts and remove.

    • Discard the fuel rail to fuel rail high-pressure fuel tube.

    GFD553050Courtesy of FORD MOTOR COMPANY
  13. Detach the retainers, remove the nut and ground strap.
    GFD553051Courtesy of FORD MOTOR COMPANY
    • Detach and disconnect the direct injection wiring harness electrical connector.

    • Disconnect the CMP sensor electrical connectors and detach the wiring harness retainer.

    GFD553052Courtesy of FORD MOTOR COMPANY
  15. Remove the bolts and the CMP sensors.
    GFD553053Courtesy of FORD MOTOR COMPANY
  16. NOTE: Do not use power tools to remove the bolt or damage to the upper LH timing chain guide may occur.

    Remove the bolt and the upper LH timing chain guide.

    GFD553054Courtesy of FORD MOTOR COMPANY
  17. 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.

    Remove the valve tappets.

    GFD553055Courtesy of FORD MOTOR COMPANY
  18. Inspect and install new components as necessary.
    GFD553056Courtesy of FORD MOTOR COMPANY
  19. Remove and discard the M6 bolt.
    GFD553057Courtesy of FORD MOTOR COMPANY
  20. NOTE: Place clean shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages or the oil pan, may cause engine failure.
    NOTE: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface
    NOTE: The cylinder head bolts must be discarded and new bolts must be installed. They are tighten-to-yield designed and cannot be reused.

    • Remove and discard the bolts.

    • Remove the cylinder head.

    GFD553058Courtesy of FORD MOTOR COMPANY
  21. NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.

    • Make sure that the mating faces are clean and free of foreign material.

    • Support the cylinder head on a bench with the head gasket side up and check the cylinder head distortion. Refer to: Cylinder Head Distortion .

    GFD553059Courtesy of FORD MOTOR COMPANY
  22. Remove and discard the cylinder head gasket.
    GFD553060Courtesy of FORD MOTOR COMPANY
  23. NOTE: Place clean, lint-free shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages or the oil pan, may cause engine failure.
    NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.

    • Make sure that the mating faces are clean and free of foreign material.

GFD553061Courtesy of FORD MOTOR COMPANY
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