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Spark Plugs: Installation

  1. Adjust the spark plug gap as necessary.
    Fig 1: Adjusting Spark Plug Gap
    G04004478Courtesy of FORD MOTOR CO.
  2. Install the 6 spark plugs.
    • Tighten to 15 Nm (11 lb-ft).
  3. Apply dielectric grease to the inside of the spark plug wire boots before attaching to the spark plugs.
  4. CAUTION: Spark plug wires must be connected to the correct spark plug. Mark spark plug wire locations before removing them.
    CAUTION: Make sure the spark plug boots are positioned so the spark plug wires do not contact the exhaust manifold.
  5. Connect the 6 spark plug wires to the spark plugs.
  6. Connect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .