Crankshaft Bearing Inspection
WARNING: This page is about a different variant/trim than selected.
- All connecting rod and main journal bearings that have been used in a running engine must be replaced. Never re-use the crankshaft or connecting rod bearings.
- The following bearing wear conditions should be used to diagnose engine operating conditions or root cause of a condition.
- Inspect for fatigue indicated by craters or pockets. Flattened sections on the bearing halves also indicate fatigue.
- Inspect for excessive scoring or discoloration on both front and back of the bearing halves.
- Inspect the main bearings for dirt embedded into the bearing material.
- Inspect for improper seating indicated by bright, polished sections.
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