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Home >> Ford >> 2012 >> Focus S, Standard Trans, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 2.0L ECOBOOST) >> Disassembly and Assembly of Subassemblies >> Cylinder Head >> Disassembly

Cylinder Head: Disassembly

WARNING: This page is about a different car, the 2013 Ford Focus. 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: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.
NOTE: If the components are to be reinstalled, mark the location of the components removed, they must be installed in the same location.
  1. NOTE: RH shown in illustration, LH similar.
    Fig 1: Locating Bolt And Engine Lift Eye
    G08063394Courtesy of FORD MOTOR CO.
  2. Fig 2: Locating Bolts And Coolant Outlet And Gasket
    G08063395Courtesy of FORD MOTOR CO.
  3. Discard the specified component. Follow local disposal regulations.
    Fig 3: Locating CHT Sensor
    G08063396Courtesy of FORD MOTOR CO.
  4. NOTE: Use a small screwdriver and multi-purpose grease to remove the valve collects.
    Fig 4: Removing Valve Collet, Valve Spring Retainer And Valve Spring
    G08063099Courtesy of FORD MOTOR CO.
  5. Remove the valve collet, valve spring retainer and the valve spring.

    Special Tool(s)  : 303-300 (Set, Valve Spring Compressor)  , 303-350 (Compressor, Valve Spring)  , 303-472 (Adapter, Valve Spring Compressor)  , 303-1249 (Valve Spring Compressor) 

    Material  : Multi-Purpose Grease / Motorcraft® XL-5 (aerosol) and/or CRC® SL3151 (ESB-M1C93-B)

  6. Visual check. Install new parts, as necessary.
    Fig 5: Inspecting Valve Spring
    G08062422Courtesy of FORD MOTOR CO.
  7. Discard the specified component. Follow local disposal regulations.

    Special Tool(s)  : 303-468 (Remover, Valve Stem Oil Seal)  , 307-005 (Slide Hammer) 

    Fig 6: Removing Valve Stem Seals
    G08063215Courtesy of FORD MOTOR CO.
  8. NOTE: Note the location of the valves if they are to be reused.
    Fig 7: Identifying Location Of Valves
    G08063400Courtesy of FORD MOTOR CO.
  9. NOTE: Install new parts, as necessary.
    1. The end of the stem for grooves or scoring.
    2. The valve face and the edge for pits, grooves or scores.
    3. The valve head for signs of burning, erosion, warpage and cracking.
    4. The valve margin for wear.
    Fig 8: Inspecting Valve
    G08062744Courtesy of FORD MOTOR CO.