Technician A says that one reason all main and rod bearings should be kept in order during engine disassembly is in case they will be reused. Technician B says that there is no need to keep bearings in order if new parts are to be used. Who is right?

Question

Quizplus · Accepted Answer

Technician A is correct. It is important to keep main and rod bearings in order during engine disassembly, even if they will be replaced with new parts. This ensures that any wear patterns on the bearings are matched to the corresponding crankshaft or connecting rod journal, which helps to prevent premature wear and potential bearing failure.

Technician a Says That One Reason All Main and Rod