Piston Pin To Bore Diameter

WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The piston and piston pin form a matched pair. Do not mix up the components.

Fig 1: Measuring Diameter Of Piston Pin Bore

Courtesy of FORD MOTOR CO.

Measure the diameter of the piston pin bore.
- Measure the diameter in two directions.
- If the values are not to specification, install both a new piston and a new piston pin.