Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Connecting Rod Bearing: Testing and Inspection

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