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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 703 (Engine - 4.2L - F-150) >> Disassembly And Assembly Of Subassemblies >> Cylinder Head >> Disassembly And Assembly

Disassembly And Assembly

WARNING: This page is about a different car, the 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components removed for location.
  1. Remove the spark plugs, if necessary.
    • To install, tighten to 15 Nm (11 lb-ft).
    Fig 1: Removing Spark Plugs
    GF0002543Courtesy of FORD MOTOR CO.
  2. Using the special tool, compress the valve springs.
    Fig 2: Compressing Valve Springs Using Special Tool
    GF0002400Courtesy of FORD MOTOR CO.
  3. Remove the following:
    • Valve spring retainer keys.
    • Valve spring retainers.
    • Valve springs.
    • Valve stem seals and seats.
    • Intake valves.
    • Exhaust valves.
    Fig 3: Removing Valve Spring Retainer Keys, Valve Spring Retainers, Valve Springs, Intake And Exhaust Valves, Valve Stem Seals And Seats
    GF0002544Courtesy of FORD MOTOR CO.
  4. Inspect the components. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
  5. CAUTION: Lubricate the parts with clean engine oil before installing.
  6. To assemble, reverse the disassembly procedure.