Piston - Diameter

WARNING: This page is about a different car, the 2005 Lincoln Navigator and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Measure the piston diameter 90 degrees from the piston pin and 42 mm down from the top of the piston at the point indicated. For additional information, refer to GENERAL SPECIFICATIONS .
- If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
  
  Fig 1: Measuring Piston Diameter
  Courtesy of FORD MOTOR CO.