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Valve Stem Diameter

NOTE: Refer to ENGINE MECHANICAL - 3.5L or ENGINE MECHANICAL - 3.5L-GTDI for the specification.
  1. Measure the diameter of each intake and exhaust valve stem at the points shown in illustration. Verify the diameter is within specification.
    Fig 1: Locating Direction Of Measuring Diameter Of Each Intake And Exhaust Valve Stem
    G06064097Courtesy of FORD MOTOR CO.