Piston Selection
For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .
Check
NOTE:
Refer to the appropriate service information in the ENGINE - 2.0L ECOBOOST (184KW/250PS) - MI4
/ ENGINE - 2.7L ECOBOOST (238KW/324PS) (1 OF 2)
/ ENGINE - 2.7L ECOBOOST (238KW/324PS) (2 OF 2)
for the specifications.
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NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
- Measure the cylinder bore in 2 directions.
- Select a piston size based on the cylinder bore.
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NOTE: For precision fit, new pistons are divided into 3 categories within each size range based on their relative position within the range. A paint spot or specific size grade on a new piston indicates the position within the size range.
Choose the piston with the correct paint color or specific size grade.