Ford 2003 Mustang Workshop Manual page 884

SECTION 303-00: Engine System — General Information
GENERAL PROCEDURES
Piston Inspection
Special Tool(s)
Scraper, Piston Ring Groove
303-D033 (D81L-6002-D) or
equivalent
CAUTION: Do not use a caustic cleaning solution or a wire brush to clean the pistons or
damage can occur.
1. Clean and inspect the (1) ring lands, (2) skirts, (3) pin bosses, and the (4) tops of the pistons. If
wear marks, scores or glazing is found on the piston skirt, check for a bent or twisted
connecting rod.
2. Use the Piston Ring Groove Scraper to clean the piston ring grooves.
Make sure the oil ring holes are clean.
2003 Mustang Workshop Manual