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Piston Diameter

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to SPECIFICATIONS (2.5L), SPECIFICATIONS (Hybrid), SPECIFICATIONS (3.0L) and SPECIFICATIONS (3.5L) for the specification.
  1. Measure the piston diameter 90 degrees from the piston pin and 42 mm (1.65 in) down from the top of the piston at the point indicated.
    Fig 1: Measuring Piston Diameter
    G06073208Courtesy of FORD MOTOR CO.