This unit describes the performance outcomes required to return an engine removed from its chassis to original manufacturer tolerances and clearances. It involves preparing for the task, dismantling and evaluating the engine, carrying out the overhaul procedures, reassembling and testing the engine, and completing workplace processes and documentation.

It applies to those working in the automotive service and repair industry on two and four-stroke spark ignition and four-stroke compression engines. The engines include those of agricultural machinery, heavy commercial vehicles, light vehicles, mobile plant machinery or motorcycles.

This unit does not apply to outdoor power equipment engines and marine outboard engines.

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.