FixVault

Piston Diameter

NOTE: Refer to the appropriate ENGINE - 4.0L SOHC or ENGINE - 4.6L (3V) .
  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.
  2. Fig 1: Measuring Piston Diameter
    G03885024Courtesy of FORD MOTOR CO.