F 250 4WD Super Duty V10-6.8L VIN Y (2006)
Crankshaft Main Bearing: Service and Repair
Bearing -Inspection
1. Inspect bearings for these 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.
