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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Engine Mechanical - 6.7L Diesel) >> In-Vehicle Repair >> Cylinder Head >> Removal

Cylinder Head: Removal

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The cylinder heads must be cool before removing it from the engine. Cylinder head warpage can result if a warm or hot cylinder head is removed.
NOTE: Place clean shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine.

Both cylinder heads 

  1. Remove the cooling fan. For additional information, refer to ENGINE COOLING - DIESEL ENGINES .
  2. NOTE: Engine shown removed for clarity.

    Remove the 4 nuts and position the cooling fan stator forward.

    G08593196
  3. Remove the accessory drive belt. For additional information, refer to ACCESSORY DRIVE .
  4. Remove the LH exhaust manifold or RH exhaust manifold. For additional information, refer to EXHAUST MANIFOLD - LH  or EXHAUST MANIFOLD - RH .
  5. Remove the LH rocker arms or RH rocker arms. For additional information, refer to ROCKER ARM .
  6. Remove the coolant crossover manifold assembly. For additional information, refer to ENGINE COOLING - DIESEL ENGINES .

    Left cylinder head 

  7. Disconnect the Charge Air Cooler (CAC) temperature sensor and wire retainer.
    Fig 1: Locating Charge Air Cooler Temperature Sensor And Wire Retainer
    G08593197Courtesy of FORD MOTOR CO.
  8. Loosen the clamp and remove the CAC tube.
    Fig 2: Locating Charge Air Cooler Tube Clamp
    G08593198Courtesy of FORD MOTOR CO.
  9. Disconnect the power steering tube from the retainer.
    Fig 3: Locating Power Steering Tube Retainer
    G08593199Courtesy of FORD MOTOR CO.
  10. NOTE: The third bolt is located behind the power steering tube.

    Remove the 3 bolts and position the power steering pump aside.

    Fig 4: Locating Power Steering Pump Mounting Bolts
    G08593200Courtesy of FORD MOTOR CO.
  11. Disconnect the lower engine wire harness retainer from the power steering bracket.
    Fig 5: Locating Lower Engine Wire Harness Retainer
    G08593201Courtesy of FORD MOTOR CO.
  12. NOTE: Boot positioned back for clarity.

    Disconnect the generator electrical connector, remove the nut and disconnect the B+ terminal.

    Fig 6: Locating Generator Electrical Connector Mounting Nut And B+ Terminal
    G08593202Courtesy of FORD MOTOR CO.
  13. If equipped, disconnect the turbocharger wastegate control vacuum and electrical connector.
    Fig 7: Locating Turbocharger Wastegate Control Vacuum And Electrical Connector
    G08593203Courtesy of FORD MOTOR CO.
  14. NOTE: Engine shown removed for clarity.

    Remove the 4 bolts and the power steering bracket.

    Fig 8: Locating Power Steering Bracket Mounting Bolts
    G08593204Courtesy of FORD MOTOR CO.
  15. Remove the bolt and position the ground strap aside. Disconnect the wire retainer.
    Fig 9: Locating Ground Strap Bolt And Wire Retainer
    G08593205Courtesy of FORD MOTOR CO.
  16. NOTE: The M12 cylinder head bolts must be discarded and new bolts installed. They are torque-to-yield design and cannot be reused.

    Remove the 23 head bolts.

    • Discard the 18 M12 cylinder head bolts.
  17. NOTE: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.

    With the help of an assistant, remove the LH cylinder head.

    Right cylinder head with dual generator 

  18. Remove the generator. For additional information, refer to CHARGING SYSTEM .

    Right cylinder head 

  19. Remove the bolt and accessory drive belt tensioner.
    Fig 10: Locating Accessory Drive Belt Tensioner Mounting Bolts
    G08593206Courtesy of FORD MOTOR CO.
  20. NOTE: The quick connect coupling illustrated is to show the spring clip in the released location only. The quick connect coupling on the hose may differ.

    Disconnect the coolant hoses from the secondary coolant pump.

    • Pull the coolant pump hose spring clip up until the end of the clip is in the detent on the quick connect coupling. Disconnect the coolant hose from the secondary coolant pump.
      Fig 11: Locating Coolant Pump Hose Spring Clip
      G08593207Courtesy of FORD MOTOR CO.
  21. Remove the 4 bolts and the secondary coolant pump.
    Fig 12: Locating Secondary Coolant Pump Mounting Bolts
    G08593208Courtesy of FORD MOTOR CO.
  22. Disconnect the fuel volume control valve electrical connector and position the engine wiring harness aside.
    Fig 13: Locating Fuel Volume Control Valve Electrical Connector
    G08593209Courtesy of FORD MOTOR CO.
  23. NOTE: The M12 cylinder head bolts must be discarded and new bolts installed. They are torque-to-yield design and cannot be reused.

    Remove the 22 head bolts.

    • Discard the 18 M12 cylinder head bolts.
  24. NOTE: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.

    With the help of an assistant, remove the RH cylinder head.

    Both cylinder heads 

  25. Remove and discard the cylinder head gasket(s).
  26. Remove and discard the cylinder head dowels.
  27. Check the cylinder head distortion. For additional information, refer to CYLINDER HEAD DISTORTION .
  28. Check the cylinder block distortion. For additional information, refer to CYLINDER BLOCK DISTORTION .
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