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Valve Spring, Retainer and Seal: Installation

    NOTE: Lubricate the valve stem seal with clean engine oil.
    Fig 1: Identifying Valve Stem Seal
    G03995837Courtesy of FORD MOTOR CO.
  1. Install the valve stem seal.
  2. Install the valve spring and retainer.
  3. Using the special tool, compress the valve spring and install the retainer keys.
    Fig 2: Compressing Valve Spring Using Special Tool
    G04007359Courtesy of FORD MOTOR CO.
  4. Release the compressed air used to hold the valves closed.
  5. Install the spark plug for the cylinder being serviced. Do not tighten at this time.
  6. Repeat the appropriate removal and installation steps for all of the other cylinders.
  7. Tighten the spark plug(s) to 27 Nm (20 lb-ft).
  8. Install the valve tappets. For additional information, refer to VALVE TRAIN COMPONENTS - EXPLODED VIEW  and VALVE TAPPET  in this article.
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