Ford Mustang (1999-2004) Service Manual: 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.

Piston - Ring End Gap

2. Use a feeler gauge to measure the top piston ring end gap and the second piston ring end gap.

  • Refer to the appropriate section in Group for the procedure.

Piston - Ring End Gap

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