Piston Ring End Gap

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. 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 Engine article for the specification.

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.

Courtesy of FORD MOTOR COMPANY
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

Courtesy of FORD MOTOR COMPANY