Ford 2003 Mustang Workshop Manual page 2766

SECTION 308-03B: Manual Transaxle/Transmission — TR3650
GENERAL PROCEDURES
Bearings —Inspection
NOTE: If any of the following conditions exist, install a new bearing.
1. Inspect the bearing for a bent cage.
2. Inspect bearings for galling (metal smears on roller ends).
Galling is caused by overheating, poor lubrication or an overload situation.
If galling is found, install a new bearing and inspect the seals.
3. Inspect the bearing for brinelling (surface indentations in the raceway).
4. Inspect bearing for cracked inner race.
2003 Mustang Workshop Manual