Expedition 4WD V8-5.4L SOHC VIN 5 (2005)
1. Select a piston size based on the cylinder bore.
2. NOTE: For precision fit, new pistons are divided into three categories within each size range based on their relative position within the range. A
paint spot on the new pistons indicates the position within the size range.
Choose the piston with the correct paint color.
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Piston-Ring End Gap
CAUTION: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore.
CAUTION: Piston rings should not be transferred from one piston to another.
NOTE: Cylinder bore must be within specification for taper and out-of-round.
1. Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.
