Ford 2003 Mustang Workshop Manual page 933

SECTION 303-00: Engine System — General Information
GENERAL PROCEDURES
Bearing —Inspection
1. Inspect bearings for the following defects. Possible causes are shown:
1. Cratering — fatigue failure.
2. Spot polishing — incorrect seating.
3. Imbedded dirt engine oil.
4. Scratching — dirty engine oil.
5. Base exposed — poor lubrication.
6. Both edges worn — journal damaged.
7. One edge worn — journal tapered or bearing not seated.
2003 Mustang Workshop Manual