Expedition 4WD V8-281 4.6L SOHC (1998)
Crankshaft Main Bearing: Testing and Inspection
Inspect the bearings for the following defects. Possible causes are shown:
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Cratering-fatigue failure (A).
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Spot polishing-improper seating (B).
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Scratching-dirty (C).
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Base exposed-poor lubrication (D).
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Both edges worn-journal damaged (E).
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One edge worn-journal tapered or bearing not seated (F).
