Crankshaft Main Bearing: Service and Repair
Bearing Inspection
1. Inspect bearings for the following defects:
1. Cratering- fatigue failure
2. Spot polishing- incorrect seating
3. Imbedded dirty 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