Technician A says that the back of all engine bearings should be lubricated during assembly. Technician B says that the face of the main and rod bearings should be lubricated before final assembly. Who is right?

Question

Quizplus · Accepted Answer

The face of the main and rod bearings should be lubricated before final assembly to ensure proper operation and prevent damage. The back of engine bearings should not be lubricated as they need to be dry to properly seat and transfer heat.

Technician a Says That the Back of All Engine Bearings