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Home >> Lincoln >> 2011 >> MKS EcoBoost >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.5L GTDI >> Removal >> Cylinder Head - LH

Cylinder Head - LH

SPECIAL TOOL(S)

G07815728
 Spring Lock Coupling Disconnect Tool
310-S039 (T90T-9550-S) or equivalent
MATERIAL

Item Specification
Motorcraft® Metal Surface Prep
ZC-31-A		 -
Motorcraft® Silicone Gasket Remover
ZC-30		 -
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, may cause engine failure.
NOTE: Whenever turbocharger air intake system components are removed, always cover open ports to protect from debris. It is important that no foreign material enter the system. The turbocharger compressor vanes are susceptible to damage from even small particles. All components should be inspected and cleaned, if necessary, prior to installation or reassembly.
NOTE: The engine comes equipped with either a roller primary timing chain or an inverted tooth primary timing chain. The roller timing chain upper LH guide differs in design than the inverted tooth upper LH guide.
NOTE: Early build engine cylinder heads and fuel injectors differ in design than late build engines. Although these parts are serviced in the same way, the parts are not interchangeable between early build and late build engines. The level of cylinder heads and fuel injectors can be determined by inspecting the engine code label. Early build engines are built through 09/14/2010 (0S 490 BA) and late build engines are built on or after 09/15/2010 (1S 490 BA).
  1. Remove the fuel rails. For additional information, refer to ENGINE CONTROLS - FUEL CHARGING SYSTEM & FUEL CONTROL SYSTEM - 3.5L GTDI/3.7L article.
  2. Remove the LH camshafts. For additional information, refer to CAMSHAFT  in this service information.
  3. Disconnect the LH Camshaft Position (CMP) sensor electrical connector.
    Fig 1: Locating LH CMP Sensor Electrical Connector
    G07815729Courtesy of FORD MOTOR CO.
  4. Remove the bolt and the LH CMP sensor.
    Fig 2: Locating LH CMP Sensor And Bolt
    G07815730Courtesy of FORD MOTOR CO.
  5. Detach the wiring harness retainer from the rear of the LH cylinder head.
    Fig 3: Locating LH Cylinder Head Wiring Harness Retainer
    G07815731Courtesy of FORD MOTOR CO.
  6. Remove the coolant tube bracket-to-cylinder head nut.
    Fig 4: Locating Coolant Tube Bracket-To-Cylinder Head Nut
    G07815732Courtesy of FORD MOTOR CO.
  7. Remove the nut and disconnect the generator B+ cable.
    Fig 5: Locating Generator B+ Cable Nut
    G07815733Courtesy of FORD MOTOR CO.
  8. Disconnect the generator electrical connector.
    Fig 6: Locating Generator Electrical Connector
    G07815734Courtesy of FORD MOTOR CO.
  9. Remove the nut, bolt and the generator.
    • Remove the generator stud.
      Fig 7: Locating Nut And Bolt Of Generator
      G07815735Courtesy of FORD MOTOR CO.
  10. Remove the 3 bolts and the LH exhaust manifold heat shield.
    Fig 8: Locating LH Exhaust Manifold Heat Shield And Bolts
    G07815736Courtesy of FORD MOTOR CO.
  11. Disconnect the turbocharger wastegate regulating valve hose from the LH turbocharger assembly.
    Fig 9: Locating Turbocharger Wastegate Regulating Valve Hose Clamp
    G07815737Courtesy of FORD MOTOR CO.
  12. Remove the 2 bolts and the LH turbocharger oil return tube from the turbocharger.
    • Remove and discard the gasket.
      Fig 10: Locating LH Turbocharger Oil Return Tube And Bolts
      G07815738Courtesy of FORD MOTOR CO.
  13. Remove the LH oil supply tube secondary latch.
    Fig 11: Locating LH Oil Supply Tube Secondary Latch
    G07815739Courtesy of FORD MOTOR CO.
  14. Using the Spring Lock Coupling Disconnect Tool, remove the LH oil supply tube from the quick connect fitting.
    • Inspect and if necessary, replace the quick connect fitting.
      Fig 12: Removing LH Oil Supply Tube From Quick Connect Fitting
      G07815740Courtesy of FORD MOTOR CO.
  15. Remove the 2 coolant tube banjo bolts and the LH turbocharger coolant tubes and sealing washers.
    • Discard the sealing washers.
      Fig 13: Locating Coolant Tube Banjo Bolts
      G07815741Courtesy of FORD MOTOR CO.
  16. Remove the LH turbocharger oil supply tube banjo bolt.
    • Discard the sealing washer.
    • Discard the oil supply tube filter.
      Fig 14: Locating LH Turbocharger Oil Supply Tube Banjo Bolt
      G07815742Courtesy of FORD MOTOR CO.
  17. Remove the 2 bolts and the lower LH turbocharger-to-cylinder block bracket.
    Fig 15: Locating Lower LH Turbocharger-To-Cylinder Block Bracket And Bolts
    G07815743Courtesy of FORD MOTOR CO.
  18. Remove the 2 bolts and the upper LH turbocharger bracket-to-cylinder block bracket.
    Fig 16: Locating Upper LH Turbocharger Bracket-To-Cylinder Block Bracket And Bolts
    G07815744Courtesy of FORD MOTOR CO.
  19. Remove the 8 LH exhaust manifold nuts (6 shown in illustration) and the exhaust manifold and turbocharger assembly.
    • Discard the exhaust manifold gasket and nuts.
      Fig 17: Locating LH Exhaust Manifold Nuts
      G07815745Courtesy of FORD MOTOR CO.
  20. Clean and inspect the LH exhaust manifold. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  21. Remove and discard the 8 LH exhaust manifold studs.
    Fig 18: Locating LH Exhaust Manifold Studs
    G07815746Courtesy of FORD MOTOR CO.
    22. NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These may cause scratches and gouges resulting in leak paths. Use a plastic scraper to clean the sealing surfaces.
  22. Clean the exhaust manifold mating surface of the cylinder head with metal surface prep. Follow the directions on the packaging.
  23. Remove the LH cylinder block drain plug.
    • Allow coolant to drain from the cylinder block.
      Fig 19: Locating LH Cylinder Block Drain Plug
      G07815747Courtesy of FORD MOTOR CO.
  24. If equipped, remove the heat shield and disconnect the block heater electrical connector.
    • Remove the block heater wiring harness from the engine.
      Fig 20: Locating Block Heater Electrical Connector And Heat Shield
      G07815748Courtesy of FORD MOTOR CO.
  25. Remove the RH cylinder block drain plug or, if equipped, the block heater.
    • Allow coolant to drain from the cylinder block.
      Fig 21: Locating RH Cylinder Block Drain Plug And Block Heater
      G07815749Courtesy of FORD MOTOR CO.
    26. NOTE: The engine comes equipped with either a roller primary timing chain or an inverted tooth primary timing chain. The roller timing chain upper LH guide differs in design than the inverted tooth upper LH guide.
  26. Remove the bolt(s) and the upper LH primary timing chain guide.
    1. Roller timing chain upper LH guide.
    2. Inverted tooth timing chain upper LH guide.
      Fig 22: Locating Upper LH Primary Timing Chain Guide And Bolts
      G07815750Courtesy of FORD MOTOR CO.
  27. Remove the 2 bolts and the LH secondary timing chain tensioner.
    Fig 23: Locating LH Secondary Timing Chain Tensioner And Bolts
    G07815751Courtesy of FORD MOTOR CO.
    28. 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.
    Fig 24: Locating Valve Tappets
    G07815752Courtesy of FORD MOTOR CO.
  28. Remove the valve tappets from the cylinder head.
  29. Inspect the valve tappets. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  30. Remove and discard the M6 bolt.
    Fig 25: Locating Cylinder Head M6 Bolt
    G07815753Courtesy of FORD MOTOR CO.
    31. 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: Aluminum surfaces are soft and may 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 a tighten-to-yield design and cannot be reused.
  31. Remove and discard the 8 bolts from the cylinder head.
    • Remove the cylinder head.
    • Discard the cylinder head gasket.
      Fig 26: Locating Cylinder Head Bolts
      G07815754Courtesy of FORD MOTOR CO.
    32. 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.
    NOTE: Observe all warnings or cautions and follow all application directions contained on the packaging of the silicone gasket remover and the metal surface prep.
    NOTE: If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces.
  32. Clean the cylinder head-to-cylinder block mating surfaces of both the cylinder heads and the cylinder block in the following sequence.
    1. Remove any large deposits of silicone or gasket material with a plastic scraper.
    2. Apply silicone gasket remover, following package directions, and allow to set for several minutes.
    3. Remove the silicone gasket remover with a plastic scraper. A second application of silicone gasket remover may be required if residual traces of silicone or gasket material remain.
    4. Apply metal surface prep, following package directions, to remove any remaining traces of oil or coolant and to prepare the surfaces to bond with the new gasket. Do not attempt to make the metal shiny. Some staining of the metal surfaces is normal.
  33. Support the cylinder head on a bench with the head gasket side up. Check the cylinder head distortion and the cylinder block distortion. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
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