Piston - Selection

WARNING: This page is about a different car, the 2002 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.

Select a piston size based on the cylinder bore.

Fig 1: Identifying Cylinder Bore
Courtesy of FORD MOTOR CO.

NOTE: For precision fit, new pistons are divided into 3 categories (grade sizes). A paint spot on the new pistons indicates the grade size. Choose the piston with the correct paint color after measuring the cylinder bore diameter.

Fig 2: Identifying Piston With Paint Color

Courtesy of FORD MOTOR CO.

Choose the piston with the correct paint color. For 2.0L Zetec engine procedure see appropriate section in ENGINE - 2.0L ZETEC . For 3.0L (4V) engine procedure see appropriate section in ENGINE - 3.0L (4V) .