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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)) >> Removal And Installation >> Cylinder Head LH >> Removal

Cylinder Head LH: Removal

WARNING: This page is about a different car, the 2024 Ford Transit-350 HD, 2024 Ford Transit-350, 2024 Ford Transit-250, and 2024 Ford Transit-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 Variable Camshaft Timing (VCT) Unit 
  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: JACKING AND LIFTING - 3.5L DURATEC (202KW 275PS) 3.5L ECOBOOST (235KW 320PS)
  2. Release the fuel system pressure. Refer to: Fuel System Pressure Release .
  3. Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
  4. Disconnect the battery ground cable. Refer to: BATTERY DISCONNECT AND CONNECT - VEHICLES WITH: SINGLE BATTERY . Refer to: BATTERY DISCONNECT AND CONNECT - VEHICLES WITH: DUAL BATTERIES
  5. Disconnect the LH HO2S, catalyst monitor sensor and the wiring harness retainers.
    GFD838354Courtesy of FORD MOTOR COMPANY
  6. Disconnect the RH HO2S and catalyst monitor sensor and the wiring harness retainer.
    GFD838355Courtesy of FORD MOTOR COMPANY
    • Remove the exhaust flange bolts and detach the exhaust hanger.

    • Clean the catalytic converter-to-muffler sealing surfaces.

    GFD838356Courtesy of FORD MOTOR COMPANY
  8. Remove and discard the LH catalytic converter flange nuts.
    GFD838357Courtesy of FORD MOTOR COMPANY
    • Remove and discard the RH catalytic converter flange nuts and position rearward.

    • Clean the catalytic converter-to-exhaust manifold sealing surfaces.

    GFD838358Courtesy of FORD MOTOR COMPANY
  10. 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.

    GFD838359Courtesy of FORD MOTOR COMPANY
    • Detach and disconnect the direct injection wiring harness electrical connector.

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

    GFD838360Courtesy of FORD MOTOR COMPANY
  13. Remove the bolts and the LH CMP sensors.
    GFD838361Courtesy of FORD MOTOR COMPANY
  14. 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.

    GFD838362Courtesy of FORD MOTOR COMPANY
  15. 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.

    GFD838363Courtesy of FORD MOTOR COMPANY
  16. Inspect and install new components as necessary.
    GFD837660Courtesy of FORD MOTOR COMPANY
  17. Remove and discard the M6 bolt.
    GFD838364Courtesy of FORD MOTOR COMPANY
  18. 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.

    GFD838365Courtesy of FORD MOTOR COMPANY
  19. 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 of the cylinder head are clean and free of foreign material.

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

    GFD838366Courtesy of FORD MOTOR COMPANY
  20. Remove and discard the cylinder head gasket.
    GFD838367Courtesy of FORD MOTOR COMPANY
  21. Remove the water jacket spacer.Use the General Equipment: Long Nose Pliers
    GFD837665Courtesy of FORD MOTOR COMPANY
  22. 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 of the engine block are clean and free of foreign material.

    • Support the cylinder head on a bench with the head gasket side up. Check the cylinder block distortion. Refer to: Cylinder Block Distortion .

GFD838368Courtesy of FORD MOTOR COMPANY
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