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Valve Spring, Retainer, and Seal: Installation

    NOTE: Lubricate the valve stem seal with clean engine oil.
    Fig 1: Locating Valve Stem Seal
    G04690377Courtesy 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: Identifying Special Tool And Retainer Keys
    G04690378Courtesy of FORD MOTOR CO.
  4. Release the compressed air used to hold the valves closed.
  5. Repeat the appropriate removal and installation steps for all of the other cylinders.
  6. Install the spark plugs. For additional information, refer to ENGINE IGNITION .
  7. Install the valve tappets. For additional information, refer to VALVE TRAIN COMPONENTS - EXPLODED VIEW  and VALVE TAPPET .