Ford Explorer: Engine System - General Information / General Procedures - Piston Ring End Gap

Special Tool(s) / General Equipment

Check

NOTE: Refer to the appropriate Section 303-01 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.
   

1. 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