FixVault

Piston - Pin Diameter

  1. Measure the piston pin diameter in two directions at the points shown. Verify the diameter is within specification.
    • For additional information, refer to SPECIFICATIONS .
    • If out of specification, install new components as necessary. Refer to ENGINE - 4.0L SOHC for the procedure.
      Fig 1: Measuring Piston Pin Diameter In Two Directions
      G03233374Courtesy of FORD MOTOR CO.