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Piston Ring End Gap

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .

Special Tool(s) / General Equipment 

Feeler Gauge

Check 

NOTE: Refer to the appropriate article for the specification.
  1. NOTE: Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore.
    NOTE: Piston rings should not be transferred from one piston to another.
    NOTE: The cylinder bore must be within specification for taper and out-of-round.

    Use a piston without rings to push a piston ring in a cylinder to the bottom of ring travel.

    GFD458730Courtesy of FORD MOTOR COMPANY
  2. Using the Feeler Gauge Set measure the top piston ring end gap and the second piston ring end gap Use the General Equipment: Feeler Gauge
GFD458731Courtesy of FORD MOTOR COMPANY