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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 677 (ENGINE - 3.5L ECOBOOST (272kW/370PS)) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Assembly

Cylinder Head: Assembly

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All cylinder heads 

  1. 1.

    Install the valve.
GFD39967Courtesy of FORD MOTOR COMPANY

  1. 2.

    NOTE: Lubricate the valve stem seal with clean engine oil prior to installation.

    Using the special tool, install the valve stem seal. Use Special Service Tool: 303-470 (T94P-6510-CH) Installer, Valve Stem Oil Seal.

    Material

    : Motorcraft ® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

GFD39968Courtesy of FORD MOTOR COMPANY

  1. 3.

    Using the special tools, install the valve spring, valve spring retainer and the valve collet. 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.
GFD39965Courtesy of FORD MOTOR COMPANY

  1. 4.

    Repeat the previous 3 steps for each valve.

  1. 5.

    Install the spark plugs.

    Torque

    : 133 lb.in (15 Nm)

GFD39436Courtesy of FORD MOTOR COMPANY

  1. 6.

    Note the fuel injector seal backup ring orientation for installation.
GFD40320Courtesy of FORD MOTOR COMPANY

  1. 7.

    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.

    1. 1.

      Pull the lower Teflon ® seal away from the injector.

    1. 2.

      Carefully cut and discard the lower fuel injector Teflon ® seals.
GFD39434Courtesy of FORD MOTOR COMPANY

  1. 8.

    NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.

    1. 1.

      Use Special Service Tool: 310-207 Installer, Fuel Injector Seal Assembly.

    1. 2.

      NOTE: Once the Teflon ® seal is installed on the Teflon ® Seal Guide, it should immediately be installed onto the fuel injector to avoid excessive expansion of the Teflon ® seal.
      NOTE: Make sure that new lower fuel injector Teflon ® seals are installed.

    1. 3.

      Using the Pusher Tool, slide the Teflon ® seals off of the Teflon ® Seal Guide and into the groove on the fuel injectors. Use Special Service Tool: 310-207 Installer, Fuel Injector Seal Assembly.
GFD39437Courtesy of FORD MOTOR COMPANY

  1. 9.

    NOTE: Install the fuel injectors into the cylinder head within 15 minutes of sizing the seals due to Teflon ® seal expansion.
    NOTE: Make sure the Teflon ® seal is fully seated in the groove on the fuel injector before sizing the Teflon ® seal.

    1. 1.

      Some Teflon ® seal massaging with your fingers before the Teflon ® Seal Sizer tool is installed will aid in installing the Teflon ® Seal Sizer tool.

    1. 2.

      Position the Teflon ® Seal Sizer tool with the larger opening towards the Teflon ® seal. Push while turning the Teflon ® Seal Sizer tool 180 degrees. Use Special Service Tool: 303-1567 Sizer, Teflon Seal.

    1. 3.

      Once the Teflon ® Seal Sizer tool is installed, check and make sure the Teflon ® seal is in the sizing portion of the Teflon ® Seal Sizer tool. After one minute, turn the Teflon ® Seal Sizer tool back 180 degrees and remove.
GFD39438Courtesy of FORD MOTOR COMPANY

  1. 10.

    1. 1.

      NOTE: The large diameter step of the backup ring must go up towards the new O-ring seal. Improperly installed backup rings may cause the fuel system to leak.

  1. 2.

    NOTE: Use fuel injector O-ring seals that are made of special fuel-resistant material. The use of ordinary O-ring seals may cause the fuel system to leak. Do not reuse the O-ring seals.
    NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.

    Material

    : Motorcraft ® SAE 5W-30 Premium Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

GFD40321Courtesy of FORD MOTOR COMPANY

  1. 11.

    NOTE: RH shown, LH similar.
      NOTE: The anti-rotation finger of the fuel injector must slip into the groove of the fuel rail cup.
    • Install the fuel injectors into the fuel rail.
    • Connect the fuel injector electrical connectors.
GFD40322Courtesy of FORD MOTOR COMPANY

  1. 12.

    NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.
    NOTE: Make sure that new fuel rail bolts are installed.
    NOTE: Push down on the fuel rail above the injectors.

    Install the fuel injectors and fuel rail assembly into the cylinder head and install the new bolts.

    Torque

    : Stage 1: 71 lb.in (8 Nm) Stage 2: Wait 5s Stage 3: 124 lb.in (14 Nm) Stage 4: 30 °

Fig 1: Fuel Rail Assembly Bolts Tightening Sequence
GFD40323Courtesy of FORD MOTOR CO.

RH cylinder head 

  1. 13.

    Install the timing chain tensioner arm pin.

    Torque

    : 89 lb.in (10 Nm)

GFD40314Courtesy of FORD MOTOR COMPANY

  1. 14.

    Install the new the studs and the exhaust manifold gasket.

    Torque

    : 106 lb.in (12 Nm)

GFD40324Courtesy of FORD MOTOR COMPANY

  1. 15.

    Install the exhaust manifold and the new nuts.

    Torque

    : Stage 1: 168 lb.in (19 Nm) Stage 2: 18 lb.ft (25 Nm)

Fig 2: RH Exhaust Manifold Nuts Tightening Sequence
GFD40325Courtesy of FORD MOTOR CO.

  1. 16.

    1. 1.

      Install the stud bolt.

      Torque

      : Stage 1: 89 lb.in (10 Nm) Stage 2: 20 °

    1. 2.

      Install the new CHT sensor.

      Torque

      : 97 lb.in (11 Nm)

GFD40326Courtesy of FORD MOTOR COMPANY

  1. 17.

    Install the turbocharger coolant supply tube and fitting.

    Torque

    : 159 lb.in (18 Nm)

GFD40310Courtesy of FORD MOTOR COMPANY

LH cylinder head 

  1. 18.

    Install the timing chain guide pin.

    Torque

    : 89 lb.in (10 Nm)

GFD39959Courtesy of FORD MOTOR COMPANY

  1. 19.

    Install the lift eye bracket and the bolts.

    Torque

    : 18 lb.ft (24 Nm)

GFD40309Courtesy of FORD MOTOR COMPANY

  1. 20.

    Install the new the studs and the exhaust manifold gasket.

    Torque

    : 106 lb.in (12 Nm)

GFD40327Courtesy of FORD MOTOR COMPANY

  1. 21.

    Install the exhaust manifold and the new nuts.

    Torque

    : Stage 1: 168 lb.in (19 Nm) Stage 2: 18 lb.ft (25 Nm)

Fig 3: LH Exhaust Manifold Bolts Tightening Sequence
GFD40328Courtesy of FORD MOTOR CO.

  1. 22.

    Install the turbocharger coolant supply tube and fitting.

    Torque

    : 159 lb.in (18 Nm)

GFD40306Courtesy of FORD MOTOR COMPANY
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