Bearing(S), Crankshaft, Main: Inspection
Wipe the bearing inserts clean and inspect for abnormal wear patterns and for metal or other foreign material imbedded in the lining. Normal main bearing insert wear patterns are illustrated.
NOTE:
If any crankshaft journals are scored, the crankshaft must be repaired or replaced.
Inspect the back of the bearing inserts for fractures, scrapings or irregular wear patterns.
Inspect the upper bearing insert locking tabs for damage.
Replace all damaged or worn bearing inserts.