[ Appearance ] Foreign particles are embedded in the lining of the bearing. Scratch marks may also be visible on the bearing surface. [ Possible causes ] • Improper cleaning of the engine and parts prior to assembly. • Road dirt and sand entering the engine through the air-intake manifold or faulty air filtration. • Wear of other engine parts, resulting in small fragments of these parts entering the engine’s oil supply. • Neglected oil filter and/or air filter replacement.
Engine Bearing Failure Models. Failure analysis – Foreign particles in lining
2026-06-22 06:01
