Piston Diameter

Measure the piston diameter 90 degrees from the piston pin at the point indicated.
- If out of specification, install new components as necessary. Refer to ENGINE-2.0L ZETEC or ENGINE-3.0L (4V) for specifications and procedures .
Fig 1: Measuring Piston Diameter 90 Degrees From Piston Pin
Courtesy of FORD MOTOR CO.